131 FZUS73 KMQT 201200 MWSMQT Marine Weather Statement National Weather Service Marquette MI 800 AM EDT Mon Jul 20 2026 LSZ263-201209- /O.CAN.KMQT.MA.W.0047.000000T0000Z-260720T1215Z/ 800 AM EDT Mon Jul 20 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... The thunderstorm has weakened and no longer poses a significant threat to boaters. However, additional thunderstorms were approaching from the west and another Special Marine Warning is in effect for these storm. && LAT...LON 4735 8929 4748 8932 4761 8887 4731 8886 TIME...MOT...LOC 1155Z 264DEG 37KT 4747 8907 $$ NJL  824 WUUS53 KMPX 201200 SVRMPX MNC047-147-161-201245- /O.NEW.KMPX.SV.W.0166.260720T1200Z-260720T1245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Twin Cities/Chanhassen MN 700 AM CDT Mon Jul 20 2026 The National Weather Service in the Twin Cities has issued a * Severe Thunderstorm Warning for... Freeborn County in south central Minnesota... Southern Steele County in south central Minnesota... Southeastern Waseca County in south central Minnesota... * Until 745 AM CDT. * At 700 AM CDT, severe thunderstorms were located along a line from 13 miles north of Blooming Prairie to near New Richland, or along a line from 12 miles east of Owatonna to 16 miles southwest of Owatonna, moving southeast at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Otisco, Lemond, Hope, Rice Lake State Park, New Richland, Steele Center, Ellendale, Bixby, Hartland, Blooming Prairie, Geneva, Clarks Grove, Hollandale, Albert Lea Airport, Myre Big Island State Park, Albert Lea, Hayward, Glenville, Myrtle and London. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds and large hail. && LAT...LON 4385 9352 4397 9359 4401 9323 4413 9305 4350 9305 4350 9331 TIME...MOT...LOC 1200Z 333DEG 36KT 4405 9298 4392 9317 4390 9341 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ NDC  971 WUUS53 KARX 201206 SVRARX IAC131-MNC039-045-099-109-201300- /O.NEW.KARX.SV.W.0162.260720T1206Z-260720T1300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service La Crosse WI Issued by National Weather Service Duluth MN 706 AM CDT Mon Jul 20 2026 The National Weather Service in La Crosse has issued a * Severe Thunderstorm Warning for... Northwestern Mitchell County in north central Iowa... Western Olmsted County in southeastern Minnesota... Mower County in southeastern Minnesota... Dodge County in southeastern Minnesota... Western Fillmore County in southeastern Minnesota... * Until 800 AM CDT. * At 705 AM CDT, severe thunderstorms were located along a line extending from near Rochester to near Blooming Prairie to Hartland, moving southeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Severe thunderstorms will be near... Rochester, Stewartville, and Hayfield around 710 AM CDT. Austin and Brownsdale around 715 AM CDT. Grand Meadow around 725 AM CDT. Other locations in the path of these severe thunderstorms include Spring Valley, Wykoff, Rose Creek, Adams, Lyle and Le Roy. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4414 9304 4418 9274 4414 9248 4351 9207 4349 9303 4350 9305 TIME...MOT...LOC 1205Z 317DEG 38KT 4396 9256 4384 9310 4378 9350 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JDS  581 FZUS73 KDLH 201210 MWSDLH Marine Weather Statement National Weather Service Duluth MN 710 AM CDT Mon Jul 20 2026 LSZ140-141-201219- /O.CAN.KDLH.MA.W.0034.000000T0000Z-260720T1230Z/ 710 AM CDT Mon Jul 20 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Grand Marais to Taconite Harbor MN... Grand Portage to Grand Marais MN... The thunderstorms have moved out of the warned area and no longer pose a significant threat to boaters. && LAT...LON 4709 9016 4720 9045 4760 9011 4777 8971 TIME...MOT...LOC 1209Z 270DEG 38KT 4772 8904 4733 8959 4717 9005 $$ LSZ162-201230- /O.CON.KDLH.MA.W.0034.000000T0000Z-260720T1230Z/ 710 AM CDT Mon Jul 20 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 730 AM CDT... For the following areas... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... At 709 AM CDT, severe thunderstorms were located along a line extending from 13 nm southeast of Rock of Ages Light to 10 nm east of The Western Lake Superior Buoy to 28 nm east of Devils Island, moving east at 40 knots. HAZARD...Wind gusts to 40 knots and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. Severe thunderstorms will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4709 9016 4720 9045 4760 9011 4777 8971 TIME...MOT...LOC 1209Z 270DEG 38KT 4772 8904 4733 8959 4717 9005 HAIL...>.75IN WIND...40KTS $$ JDS  477 WHUS53 KMQT 201213 SMWMQT LSZ241-242-263-201315- /O.NEW.KMQT.MA.W.0049.260720T1213Z-260720T1315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Marquette MI 813 AM EDT Mon Jul 20 2026 The National Weather Service in Marquette has issued a * Special Marine Warning for... Black River To Ontonagon MI... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... Ontonagon to Upper Entrance of Portage Canal MI... * Until 915 AM EDT. * At 812 AM EDT, severe thunderstorms were located along a line extending from 11 nm northeast of The Western Lake Superior Buoy to 17 nm northeast of Oak Island, moving southeast at 35 knots. HAZARD...Wind gusts to 40 knots and large hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. Locations impacted include... Ontonagon Marina. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4732 8945 4704 8884 4697 8894 4695 8910 4682 8934 4678 8970 4702 9015 TIME...MOT...LOC 1212Z 315DEG 35KT 4741 8962 4705 9028 HAIL...>.75IN WIND...40KTS $$ NJL  767 FZUS73 KMQT 201217 MWSMQT Marine Weather Statement National Weather Service Marquette MI 817 AM EDT Mon Jul 20 2026 LSZ242>244-263-264-201315- 817 AM EDT Mon Jul 20 2026 A Marine Weather Statement has been issued for the following areas... Eagle River to Manitou Island MI... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border... Ontonagon to Upper Entrance of Portage Canal MI... Upper Entrance of Portage Canal to Eagle River MI... At 816 AM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots and small hail. These thunderstorms were located along a line extending from 23 nm south of Mott Island Park Headquarters to 17 nm east of The Western Lake Superior Buoy, moving southeast at 35 knots. Locations impacted include... Grand Traverse Bay, Bete Grise, and The Upper Entrance of Portage Canal. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. && LAT...LON 4752 8766 4739 8785 4739 8795 4733 8795 4719 8823 4714 8823 4714 8828 4702 8837 4698 8843 4699 8844 4692 8851 4707 8857 4714 8869 4703 8885 4731 8945 4769 8851 $$ NJL  104 WWUS53 KMPX 201218 SVSMPX Severe Weather Statement National Weather Service Twin Cities/Chanhassen MN 718 AM CDT Mon Jul 20 2026 MNC161-201228- /O.CAN.KMPX.SV.W.0166.000000T0000Z-260720T1245Z/ Waseca MN- 718 AM CDT Mon Jul 20 2026 ...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR SOUTHEASTERN WASECA COUNTY... The storms which prompted the warning have moved out of the area. Therefore, the warning has been cancelled. && LAT...LON 4383 9351 4385 9346 4385 9341 4386 9341 4386 9340 4401 9327 4401 9323 4413 9305 4350 9305 4350 9331 TIME...MOT...LOC 1200Z 333DEG 36KT 4405 9298 4392 9317 4389 9340 $$ MNC047-147-201245- /O.CON.KMPX.SV.W.0166.000000T0000Z-260720T1245Z/ Freeborn MN-Steele MN- 718 AM CDT Mon Jul 20 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CDT FOR FREEBORN AND SOUTHERN STEELE COUNTIES... At 718 AM CDT, severe thunderstorms were located along a line from 10 miles east of Blooming Prairie to over Clarks Grove, or along a line from 23 miles southeast of Owatonna to 7 miles northeast of Albert Lea, moving southeast at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Rice Lake State Park, Steele Center, Ellendale, Bixby, Hartland, Blooming Prairie, Geneva, Clarks Grove, Hollandale, Albert Lea Airport, Myre Big Island State Park, Albert Lea, Hayward, Glenville, Myrtle and London. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds and large hail. && LAT...LON 4383 9351 4385 9346 4385 9341 4386 9341 4386 9340 4401 9327 4401 9323 4413 9305 4350 9305 4350 9331 TIME...MOT...LOC 1200Z 333DEG 36KT 4405 9298 4392 9317 4389 9340 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ NDC  691 WWUS53 KARX 201218 SVSARX Severe Weather Statement National Weather Service La Crosse WI 718 AM CDT Mon Jul 20 2026 MNC039-109-201228- /O.CAN.KARX.SV.W.0162.000000T0000Z-260720T1300Z/ Olmsted MN-Dodge MN- 718 AM CDT Mon Jul 20 2026 ...THE SEVERE THUNDERSTORM WARNING FOR WESTERN OLMSTED AND DODGE COUNTIES IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. && LAT...LON 4385 9305 4385 9269 4383 9269 4383 9251 4351 9207 4349 9303 4350 9303 4350 9305 TIME...MOT...LOC 1218Z 317DEG 38KT 4387 9244 4375 9298 4369 9338 $$ IAC131-MNC045-099-201300- /O.CON.KARX.SV.W.0162.000000T0000Z-260720T1300Z/ Mitchell IA-Mower MN-Fillmore MN- 718 AM CDT Mon Jul 20 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR NORTHWESTERN MITCHELL...MOWER AND SOUTHWESTERN FILLMORE COUNTIES... At 718 AM CDT, severe thunderstorms were located along a line extending from near Stewartville to near Austin to near Albert Lea, moving southeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Austin, Grand Meadow, and Brownsdale around 725 AM CDT. Other locations in the path of these severe thunderstorms include Spring Valley, Rose Creek, Adams, Lyle and Le Roy. This includes Interstate 90 in Minnesota between mile markers 175 and 204. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4385 9305 4385 9269 4383 9269 4383 9251 4351 9207 4349 9303 4350 9303 4350 9305 TIME...MOT...LOC 1218Z 317DEG 38KT 4387 9244 4375 9298 4369 9338 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JAR  812 FZUS73 KMQT 201218 MWSMQT Marine Weather Statement National Weather Service Marquette MI 818 AM EDT Mon Jul 20 2026 LSZ263-264-201230- /O.CON.KMQT.MA.W.0048.000000T0000Z-260720T1230Z/ 818 AM EDT Mon Jul 20 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 830 AM EDT... For the following areas... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border... At 818 AM EDT, severe thunderstorms were located along a line extending from 17 nm southeast of Rock of Ages Light to 17 nm east of Devils Island, moving southeast at 30 knots. HAZARD...Wind gusts to 40 knots and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. Locations impacted include... The Western Lake Superior Buoy. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4777 8970 4778 8940 4774 8912 4784 8892 4768 8850 4702 9014 4704 9019 TIME...MOT...LOC 1218Z 309DEG 29KT 4769 8895 4711 9031 HAIL...>.75IN WIND...40KTS $$ NJL  040 FZUS73 KDLH 201219 MWSDLH Marine Weather Statement National Weather Service Duluth MN 719 AM CDT Mon Jul 20 2026 LSZ162-201229- /O.CAN.KDLH.MA.W.0034.000000T0000Z-260720T1230Z/ 719 AM CDT Mon Jul 20 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... The thunderstorms have moved out of the area and no longer pose a significant threat to boaters. && LAT...LON 4709 9016 4720 9045 4760 9011 4777 8971 TIME...MOT...LOC 1218Z 305DEG 38KT 4766 8892 4727 8947 4711 8993 $$ JDS  161 WWUS53 KMPX 201224 SVSMPX Severe Weather Statement National Weather Service Twin Cities/Chanhassen MN 724 AM CDT Mon Jul 20 2026 MNC147-201234- /O.CAN.KMPX.SV.W.0166.000000T0000Z-260720T1245Z/ Steele MN- 724 AM CDT Mon Jul 20 2026 ...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR SOUTHERN STEELE COUNTY... The storms which prompted the warning have moved out of the area. Therefore, the warning has been cancelled. && LAT...LON 4383 9351 4385 9346 4385 9305 4350 9305 4350 9331 TIME...MOT...LOC 1218Z 333DEG 36KT 4389 9287 4376 9306 4373 9329 $$ MNC047-201245- /O.CON.KMPX.SV.W.0166.000000T0000Z-260720T1245Z/ Freeborn MN- 724 AM CDT Mon Jul 20 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CDT FOR FREEBORN COUNTY... At 724 AM CDT, severe thunderstorms were located along a line from 11 miles east of Blooming Prairie to over Hayward, or along a line from 26 miles southeast of Owatonna to 6 miles east of Albert Lea, moving southeast at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Hartland, Geneva, Clarks Grove, Hollandale, Albert Lea Airport, Myre Big Island State Park, Albert Lea, Hayward, Glenville, Myrtle and London. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds and large hail. && LAT...LON 4383 9351 4385 9346 4385 9305 4350 9305 4350 9331 TIME...MOT...LOC 1218Z 333DEG 36KT 4389 9287 4376 9306 4373 9329 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ NDC  266 FZUS73 KMQT 201224 MWSMQT Marine Weather Statement National Weather Service Marquette MI 824 AM EDT Mon Jul 20 2026 LSZ264-201233- /O.CAN.KMQT.MA.W.0048.000000T0000Z-260720T1230Z/ 824 AM EDT Mon Jul 20 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border... The thunderstorms have weakened and moved out of the area. && LAT...LON 4746 8954 4741 8919 4702 9014 4705 9018 4712 9013 TIME...MOT...LOC 1223Z 309DEG 29KT 4767 8891 4709 9027 $$ LSZ263-201230- /O.CON.KMQT.MA.W.0048.000000T0000Z-260720T1230Z/ 824 AM EDT Mon Jul 20 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 830 AM EDT... For the following areas... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... At 823 AM EDT, severe thunderstorms were located along a line extending from 20 nm southeast of Rock of Ages Light to 18 nm northeast of Oak Island, moving southeast at 30 knots. HAZARD...Wind gusts to 40 knots and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. Severe thunderstorms will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4746 8954 4741 8919 4702 9014 4705 9018 4712 9013 TIME...MOT...LOC 1223Z 309DEG 29KT 4767 8891 4709 9027 HAIL...>.75IN WIND...40KTS $$ NJL  689 WWUS53 KARX 201227 SVSARX Severe Weather Statement National Weather Service La Crosse WI 727 AM CDT Mon Jul 20 2026 IAC131-MNC045-099-201300- /O.CON.KARX.SV.W.0162.000000T0000Z-260720T1300Z/ Mitchell IA-Mower MN-Fillmore MN- 727 AM CDT Mon Jul 20 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR NORTHWESTERN MITCHELL...MOWER AND SOUTHWESTERN FILLMORE COUNTIES... At 726 AM CDT, severe thunderstorms were located along a line extending from near Stewartville to near Austin to near Albert Lea, moving southeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Austin and Brownsdale around 730 AM CDT. Grand Meadow and Rose Creek around 735 AM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4385 9305 4385 9269 4383 9269 4383 9251 4351 9207 4349 9303 4350 9303 4350 9305 TIME...MOT...LOC 1226Z 316DEG 38KT 4386 9253 4372 9294 4362 9332 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JSB  984 WWUS53 KARX 201227 RRA SVSARX Severe Weather Statement National Weather Service La Crosse WI 727 AM CDT Mon Jul 20 2026 IAC131-MNC045-099-201300- /O.CON.KARX.SV.W.0162.000000T0000Z-260720T1300Z/ Mitchell IA-Mower MN-Fillmore MN- 727 AM CDT Mon Jul 20 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR NORTHWESTERN MITCHELL...MOWER AND SOUTHWESTERN FILLMORE COUNTIES... At 726 AM CDT, severe thunderstorms were located along a line extending from near Stewartville to near Austin to near Albert Lea, moving southeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Austin and Brownsdale around 730 AM CDT. Grand Meadow and Rose Creek around 735 AM CDT. Other locations in the path of these severe thunderstorms include Spring Valley, Adams, Lyle and Le Roy. This includes Interstate 90 in Minnesota between mile markers 175 and 204. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4385 9305 4385 9269 4383 9269 4383 9251 4351 9207 4349 9303 4350 9303 4350 9305 TIME...MOT...LOC 1226Z 316DEG 38KT 4386 9253 4372 9294 4362 9332 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JSB  681 FZUS73 KMQT 201230 MWSMQT Marine Weather Statement National Weather Service Marquette MI 830 AM EDT Mon Jul 20 2026 LSZ263-201238- /O.EXP.KMQT.MA.W.0048.000000T0000Z-260720T1230Z/ 830 AM EDT Mon Jul 20 2026 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 830 AM EDT... The affected areas were... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... The thunderstorms have moved out of the area and no longer pose a significant threat to boaters. && LAT...LON 4746 8954 4741 8919 4702 9014 4705 9018 4712 9013 TIME...MOT...LOC 1228Z 309DEG 29KT 4765 8888 4707 9024 $$ NJL  701 FZUS73 KAPX 201235 MWSAPX Marine Weather Statement National Weather Service Gaylord MI Issued by National Weather Service Detroit/Pontiac MI 835 AM EDT Mon Jul 20 2026 LSZ322-201630- 835 AM EDT Mon Jul 20 2026 ...WATER LEVEL FLUCTUATIONS ON THE ST. MARY'S RIVER... Water level gauges on the St. Mary's River are indicating rapidly changing water levels due to thunderstorm activity on Lake Superior. Southwest Pier Water levels dropped 13 inches between 645 AM and 800 AM. Several cycles of water level falls and rises are likely prior to noon. Largest changes in water levels...up to 3 feet or more...can be expected on upper portions of the river from Point Iroquois to the locks at Sault Ste. Marie. Water level changes up to one foot can be expected from below the Soo Locks to Munuscong Lake. Mariners should be aware of rapidly rising and falling water levels...particularly for operators above the Soo Locks. Be sure to monitor marine radio for information on this situation. && LAT...LON 4652 8412 4642 8415 4623 8410 4614 8419 4622 8432 4626 8424 4634 8426 4645 8433 4646 8440 4641 8445 4641 8450 4637 8455 4640 8463 4645 8465 4651 8462 4646 8456 4645 8448 4650 8439 4649 8428 4654 8419 $$ Mann  922 WWUS53 KARX 201235 SVSARX Severe Weather Statement National Weather Service La Crosse WI 735 AM CDT Mon Jul 20 2026 MNC045-201244- /O.CAN.KARX.SV.W.0162.000000T0000Z-260720T1300Z/ Fillmore MN- 735 AM CDT Mon Jul 20 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN FILLMORE COUNTY IS CANCELLED... The storms which prompted the warning have weakened. Therefore, the warning has been cancelled. && LAT...LON 4385 9305 4385 9269 4383 9269 4383 9251 4378 9245 4350 9245 4349 9303 4350 9303 4350 9305 TIME...MOT...LOC 1234Z 316DEG 38KT 4382 9262 4365 9285 4352 9318 $$ IAC131-MNC099-201300- /O.CON.KARX.SV.W.0162.000000T0000Z-260720T1300Z/ Mitchell IA-Mower MN- 735 AM CDT Mon Jul 20 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR NORTHWESTERN MITCHELL AND MOWER COUNTIES... At 734 AM CDT, severe thunderstorms were located along a line extending from 7 miles southwest of Stewartville to near Rose Creek to near Northwood, moving southeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Grand Meadow, Adams, Lyle, and Rose Creek around 740 AM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4385 9305 4385 9269 4383 9269 4383 9251 4378 9245 4350 9245 4349 9303 4350 9303 4350 9305 TIME...MOT...LOC 1234Z 316DEG 38KT 4382 9262 4365 9285 4352 9318 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JSB  121 WUUS53 KDMX 201235 SVRDMX IAC195-201300- /O.NEW.KDMX.SV.W.0272.260720T1235Z-260720T1300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Des Moines IA 735 AM CDT Mon Jul 20 2026 The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Worth County in north central Iowa... * Until 800 AM CDT. * At 734 AM CDT, severe thunderstorms were located along a line extending from near County Roads 56 And 5 to near Otranto to 4 miles west of Northwood, moving south at 50 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Northwood, Manly, Kensett, Grafton, Hanlontown, Bolan, and Northwood Municipal. This includes Interstate 35 between mile markers 203 and 218. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4326 9302 4326 9337 4350 9342 4350 9303 TIME...MOT...LOC 1234Z 344DEG 44KT 4355 9284 4347 9307 4346 9330 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.88 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ DMD  574 WUUS53 KMQT 201239 SVRMQT MIC061-131-201345- /O.NEW.KMQT.SV.W.0027.260720T1239Z-260720T1345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Marquette MI 839 AM EDT Mon Jul 20 2026 The National Weather Service in Marquette has issued a * Severe Thunderstorm Warning for... West central Houghton County in western Upper Michigan... Northern Ontonagon County in western Upper Michigan... * Until 945 AM EDT. * At 839 AM EDT, severe thunderstorms were located along a line extending from 21 miles north of Ontonagon to 15 miles northwest of Porcupine Mountains State Park, moving southeast at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Ontonagon, Porcupine Mountains State Park, Rockland, Mass City, Silver City, Greenland, Norwich, Twin Lakes, Toivola, Donken, Fourteen Mile Point, and White Pine. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4690 8974 4691 8945 4697 8930 4706 8917 4707 8903 4712 8898 4697 8858 4662 8939 4687 8986 TIME...MOT...LOC 1239Z 305DEG 33KT 4718 8936 4698 8990 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ NJL  604 WWUS53 KARX 201240 SVSARX Severe Weather Statement National Weather Service La Crosse WI 740 AM CDT Mon Jul 20 2026 IAC131-MNC099-201250- /O.CAN.KARX.SV.W.0162.000000T0000Z-260720T1300Z/ Mitchell IA-Mower MN- 740 AM CDT Mon Jul 20 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MITCHELL AND MOWER COUNTIES IS CANCELLED... The storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. Therefore, the warning has been cancelled. && LAT...LON 4385 9305 4385 9269 4383 9269 4383 9251 4378 9245 4350 9245 4349 9303 4350 9303 4350 9305 TIME...MOT...LOC 1236Z 317DEG 38KT 4380 9260 4363 9283 4350 9316 $$ JSB  730 WWUS53 KMPX 201244 SVSMPX Severe Weather Statement National Weather Service Twin Cities/Chanhassen MN 744 AM CDT Mon Jul 20 2026 MNC047-201254- /O.EXP.KMPX.SV.W.0166.000000T0000Z-260720T1245Z/ Freeborn MN- 744 AM CDT Mon Jul 20 2026 ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 745 AM CDT FOR FREEBORN COUNTY... The storms which prompted the warning have moved out of the area. Therefore, the warning will be allowed to expire. However, gusty winds and heavy rain are still possible with these thunderstorms. && LAT...LON 4383 9351 4385 9346 4385 9305 4350 9305 4350 9331 TIME...MOT...LOC 1224Z 333DEG 36KT 4384 9283 4371 9302 4368 9325 $$ Strus  871 FZUS73 KDLH 201246 MWSDLH Marine Weather Statement National Weather Service Duluth MN 746 AM CDT Mon Jul 20 2026 LSZ140-141-162-201330- 746 AM CDT Mon Jul 20 2026 ...A STRONG THUNDERSTORM APPROACHING THE WATERS... The areas affected include... Grand Marais to Taconite Harbor MN... Grand Portage to Grand Marais MN... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... At 745 AM CDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and small hail. This thunderstorm was located 8 nm west of Grand Marais Harbor, or 25 nm west of Horseshoe Bay And Safe Harbor, moving southeast at 50 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 4764 8979 4732 9001 4760 9084 4772 9055 4779 9028 $$ JDS  288 WHUS53 KMQT 201248 SMWMQT LSZ242-243-246-247-263>265-201345- /O.NEW.KMQT.MA.W.0050.260720T1248Z-260720T1345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Marquette MI 848 AM EDT Mon Jul 20 2026 The National Weather Service in Marquette has issued a * Special Marine Warning for... Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border... Ontonagon to Upper Entrance of Portage Canal MI... Point Isabelle to Lower Entrance of Portage Canal MI... Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays... Upper Entrance of Portage Canal to Eagle River MI... * Until 945 AM EDT. * At 847 AM EDT, a severe thunderstorm was located 7 nm west of The Upper Entrance of Portage Canal, or 42 nm east of The Western Lake Superior Buoy, moving southeast at 35 knots. HAZARD...Wind gusts to nearly 50 knots and large hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. * Locations impacted include... Grand Traverse Bay, The Lower Entrance of Portage Canal, and The Upper Entrance of Portage Canal. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters should seek safe harbor immediately until this storm passes. Wind gusts to nearly 50 knots, large hail, high waves, dangerous lightning, and heavy rain are possible with this storm. && LAT...LON 4732 8838 4722 8855 4716 8852 4724 8839 4716 8833 4725 8818 4716 8790 4672 8849 4675 8854 4695 8852 4708 8858 4714 8869 4700 8889 4716 8913 4743 8874 TIME...MOT...LOC 1247Z 305DEG 33KT 4723 8882 HAIL...>.75IN WIND...49KTS $$ NJL  014 WUUS53 KMQT 201249 SVRMQT MIC061-083-201345- /O.NEW.KMQT.SV.W.0028.260720T1249Z-260720T1345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Marquette MI 849 AM EDT Mon Jul 20 2026 The National Weather Service in Marquette has issued a * Severe Thunderstorm Warning for... Keweenaw County in western Upper Michigan... Northern Houghton County in western Upper Michigan... * Until 945 AM EDT. * At 849 AM EDT, a severe thunderstorm was located near Redridge, or 12 miles northwest of Houghton, moving southeast at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Houghton, Calumet, Hancock, Laurium, Chassell, Lake Linden, South Range, Hubbell, Redridge, Houghton County Airport, The Upper Entrance of Portage Canal, and The Lower Entrance of Portage Canal. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4718 8810 4716 8813 4703 8818 4702 8814 4686 8837 4686 8840 4689 8848 4694 8845 4694 8855 4692 8856 4711 8900 4714 8898 4736 8857 TIME...MOT...LOC 1249Z 305DEG 32KT 4720 8879 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ NJL  835 WWUS53 KDMX 201259 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 759 AM CDT Mon Jul 20 2026 IAC195-201308- /O.EXP.KDMX.SV.W.0272.000000T0000Z-260720T1300Z/ Worth IA- 759 AM CDT Mon Jul 20 2026 ...THE SEVERE THUNDERSTORM WARNING FOR WORTH COUNTY WILL EXPIRE AT 800 AM CDT... The storms which prompted the warning have weakened below severe limits. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with these thunderstorms. LAT...LON 4326 9302 4326 9337 4350 9342 4350 9303 TIME...MOT...LOC 1258Z 344DEG 44KT 4330 9274 4322 9297 4321 9320 $$ DMD