851 WUUS53 KDVN 171208 SVRDVN IAC031-103-105-107-113-115-139-183-171300- /O.NEW.KDVN.SV.W.0189.260617T1208Z-260617T1300Z/ BULLETIN - EAS ACTIVATION REQUESTED Severe Thunderstorm Warning National Weather Service Quad Cities IA/IL 708 AM CDT Wed Jun 17 2026 The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Northwestern Louisa County in southeastern Iowa... Northeastern Keokuk County in southeastern Iowa... Cedar County in east central Iowa... Johnson County in east central Iowa... Northern Washington County in southeastern Iowa... Southern Jones County in east central Iowa... Muscatine County in east central Iowa... Southeastern Linn County in east central Iowa... * Until 800 AM CDT. * At 706 AM CDT, severe thunderstorms were located along a line extending from Whittier to near Hills to near Keota, moving east at 65 mph. THESE ARE DESTRUCTIVE STORMS FOR I-80 CORRIDOR INCLUDING IOWA CITY, CEDAR RAPIDS, TIPTON, ANAMOSA, WEST BRANCH, AND MUSCATINE. HAZARD...80 mph wind gusts and quarter size hail. SOURCE...Trained weather spotters. Measured wind gust to 78 mph at the Cedar Rapids Airport. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. * Locations impacted include... Cedar Rapids, Iowa City, Muscatine, Anamosa, Tipton, West Branch, Columbus Junction, Durant, Mechanicsville, Stanwood, Marion, Coralville, North Liberty, Mount Vernon, West Liberty, Wilton, Kalona, Lisbon, Solon, and Tiffin. This includes the following highways... Interstate 80 in Iowa between mile markers 235 and 277. Interstate 380 between mile markers 1 and 18, and near mile marker 21. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4143 9214 4151 9198 4151 9183 4159 9183 4163 9175 4212 9163 4209 9091 4143 9091 4143 9098 4141 9105 4125 9111 4123 9110 TIME...MOT...LOC 1206Z 280DEG 57KT 4210 9149 4156 9159 4140 9191 THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...80 MPH $$ Uttech  218 WWUS53 KDMX 171209 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 709 AM CDT Wed Jun 17 2026 IAC099-171219- /O.CAN.KDMX.SV.W.0238.000000T0000Z-260617T1215Z/ Jasper IA- 709 AM CDT Wed Jun 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JASPER COUNTY IS CANCELLED... The severe thunderstorm which prompted the warning has moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for south central and central Iowa. LAT...LON 4151 9241 4133 9241 4145 9260 4164 9233 4162 9230 4151 9230 TIME...MOT...LOC 1209Z 309DEG 43KT 4140 9225 $$ IAC123-157-171215- /O.CON.KDMX.SV.W.0238.000000T0000Z-260617T1215Z/ Poweshiek IA-Mahaska IA- 709 AM CDT Wed Jun 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT FOR SOUTHEASTERN POWESHIEK AND NORTHEASTERN MAHASKA COUNTIES... At 709 AM CDT, a severe thunderstorm was located over Yenruogis County Park, or 5 miles northwest of Sigourney, moving southeast at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Deep River and Barnes City. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4151 9241 4133 9241 4145 9260 4164 9233 4162 9230 4151 9230 TIME...MOT...LOC 1209Z 309DEG 43KT 4140 9225 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Fowle  530 WWUS53 KDMX 171210 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 710 AM CDT Wed Jun 17 2026 IAC099-125-157-171220- /O.CAN.KDMX.SV.W.0239.000000T0000Z-260617T1245Z/ Poweshiek IA-Marion IA-Jasper IA- 710 AM CDT Wed Jun 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN POWESHIEK... NORTHEASTERN MARION AND SOUTHEASTERN JASPER COUNTIES IS CANCELLED... The severe thunderstorm which prompted the warning has moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for south central and southeastern Iowa. LAT...LON 4132 9286 4146 9259 4134 9241 4116 9241 4116 9271 TIME...MOT...LOC 1210Z 326DEG 42KT 4129 9259 $$ IAC123-171245- /O.CON.KDMX.SV.W.0239.000000T0000Z-260617T1245Z/ Mahaska IA- 710 AM CDT Wed Jun 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CDT FOR MAHASKA COUNTY... At 710 AM CDT, a severe thunderstorm was located over University Park, or over Oskaloosa, moving southeast at 50 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... Oskaloosa, Eddyville, Fremont, Beacon, University Park, Rose Hill, Leighton, Keomah Village, Lake Keomah State Park, and Oskaloosa Municipal Airport. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4132 9286 4146 9259 4134 9241 4116 9241 4116 9271 TIME...MOT...LOC 1210Z 326DEG 42KT 4129 9259 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Fowle  109 WUUS53 KDVN 171217 SVRDVN IAC057-087-101-107-115-183-171315- /O.NEW.KDVN.SV.W.0190.260617T1217Z-260617T1315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Quad Cities IA/IL 717 AM CDT Wed Jun 17 2026 The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Henry County in southeastern Iowa... Des Moines County in southeastern Iowa... Louisa County in southeastern Iowa... Southeastern Keokuk County in southeastern Iowa... Southern Washington County in southeastern Iowa... Jefferson County in southeastern Iowa... * Until 815 AM CDT. * At 716 AM CDT, severe thunderstorms were located along a line extending from near Richmond to near Rubio to near Hedrick, moving southeast at 60 mph. HAZARD...70 mph wind gusts. SOURCE...Trained weather spotters. This line of storms has a history of producing winds up to 70 mph. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Fairfield, Mount Pleasant, Washington, Wapello, Columbus Junction, New London, Mediapolis, Winfield, Wayland, Danville, Morning Sun, Brighton, Richland, Ainsworth, Columbus City, Lockridge, Crawfordsville, Maharishi Vedic City, Olds, and Packwood. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4116 9218 4132 9156 4123 9110 4117 9104 4116 9100 4110 9095 4103 9094 4098 9096 4096 9095 4092 9097 4091 9100 4087 9104 4087 9172 4090 9172 4090 9175 4104 9218 TIME...MOT...LOC 1216Z 298DEG 53KT 4142 9167 4126 9194 4121 9230 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...70 MPH $$ Uttech  654 WGUS53 KDVN 171224 FFWDVN IAC103-113-171830- /O.NEW.KDVN.FF.W.0022.260617T1224Z-260617T1830Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Quad Cities IA IL 724 AM CDT Wed Jun 17 2026 The National Weather Service in Quad Cities has issued a * Flash Flood Warning for... Johnson County in east central Iowa... Southern Linn County in east central Iowa... * Until 130 PM CDT Wednesday. * At 724 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Cedar Rapids, Iowa City, West Branch, Marion, Coralville, North Liberty, Hiawatha, Mount Vernon, Lisbon, Fairfax, Solon, Tiffin, Ely, Walford, Springville, University Heights, Swisher, Oxford, Shueyville and Bertram. This includes the following highways... Interstate 80 in Iowa between mile markers 230 and 253. Interstate 380 between mile markers 1 and 25. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4204 9183 4204 9166 4204 9137 4176 9137 4162 9137 4163 9183 4201 9183 FLASH FLOOD...RADAR INDICATED $$ Schreck  695 WWUS53 KDMX 171224 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 724 AM CDT Wed Jun 17 2026 IAC123-171245- /O.CON.KDMX.SV.W.0239.000000T0000Z-260617T1245Z/ Mahaska IA- 724 AM CDT Wed Jun 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CDT FOR SOUTHEASTERN MAHASKA COUNTY... At 724 AM CDT, a severe thunderstorm was located over Oskaloosa Municipal Airport, or 9 miles southeast of Oskaloosa, moving southeast at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Oskaloosa, Eddyville, Fremont, Beacon, University Park, Rose Hill, Keomah Village, Lake Keomah State Park, and Oskaloosa Municipal Airport. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4122 9277 4138 9247 4134 9241 4116 9241 4116 9271 TIME...MOT...LOC 1224Z 304DEG 39KT 4124 9248 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Fowle  728 WWUS53 KDVN 171229 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 729 AM CDT Wed Jun 17 2026 IAC107-113-171237- /O.CAN.KDVN.SV.W.0189.000000T0000Z-260617T1300Z/ Keokuk IA-Linn IA- 729 AM CDT Wed Jun 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KEOKUK AND SOUTHEASTERN LINN COUNTIES IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for northwestern Illinois...and southeastern and east central Iowa. && LAT...LON 4146 9171 4153 9154 4163 9141 4211 9134 4209 9091 4143 9091 4143 9098 4141 9105 4125 9111 4123 9110 4137 9180 TIME...MOT...LOC 1227Z 280DEG 57KT 4204 9105 4150 9115 4134 9147 $$ IAC031-103-105-115-139-183-171300- /O.CON.KDVN.SV.W.0189.000000T0000Z-260617T1300Z/ Louisa IA-Cedar IA-Johnson IA-Washington IA-Jones IA-Muscatine IA- 729 AM CDT Wed Jun 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR NORTHWESTERN LOUISA...CEDAR...SOUTHEASTERN JOHNSON...NORTHEASTERN WASHINGTON...SOUTHERN JONES AND MUSCATINE COUNTIES... At 727 AM CDT, severe thunderstorms were located along a line extending from Hale to Saulsbury Bridge Campground to near Gladwin, moving east at 65 mph. THESE ARE DESTRUCTIVE STORMS FOR THE I-80 CORRIDOR INCLUDING WEST LIBERTY, TIPTON, AND MUSCATINE. HAZARD...80 mph wind gusts and quarter size hail. SOURCE...Trained weather spotters. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. Locations impacted include... Muscatine, Anamosa, Tipton, West Branch, Columbus Junction, Durant, Mechanicsville, Stanwood, West Liberty, Wilton, Lone Tree, Riverside, Fruitland, Lowden, Olin, Grandview, Wyoming, Oxford Junction, Conesville, and Bennett. This includes Interstate 80 in Iowa between mile markers 252 and 277. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4146 9171 4153 9154 4163 9141 4211 9134 4209 9091 4143 9091 4143 9098 4141 9105 4125 9111 4123 9110 4137 9180 TIME...MOT...LOC 1227Z 280DEG 57KT 4204 9105 4150 9115 4134 9147 THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...80 MPH $$ Uttech  703 WWUS53 KDVN 171230 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 730 AM CDT Wed Jun 17 2026 IAC113-171240- /O.CAN.KDVN.SV.W.0188.000000T0000Z-260617T1245Z/ Linn IA- 730 AM CDT Wed Jun 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR LINN COUNTY IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for southeastern and east central Iowa. && LAT...LON 4151 9241 4152 9183 4156 9168 4177 9137 4142 9137 4142 9148 4132 9150 4116 9216 4116 9241 TIME...MOT...LOC 1230Z 284DEG 51KT 4184 9105 4151 9119 4136 9171 $$ IAC103-107-183-171245- /O.CON.KDVN.SV.W.0188.000000T0000Z-260617T1245Z/ Keokuk IA-Johnson IA-Washington IA- 730 AM CDT Wed Jun 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CDT FOR KEOKUK...SOUTHERN JOHNSON AND WASHINGTON COUNTIES... At 730 AM CDT, severe thunderstorms were located along a line extending from near Clarence to Saulsbury Bridge Campground to near Washington, moving east at 60 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Trained weather spotters. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Iowa City, Washington, Sigourney, Kalona, Wellman, Lone Tree, North English, Riverside, Hedrick, Hills, What Cheer, Delta, Keswick, South English, Harper, Martinsburg, Kinross, Hayesville, Richmond, and Keota. This includes Interstate 80 in Iowa between mile markers 247 and 253. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4151 9241 4152 9183 4156 9168 4177 9137 4142 9137 4142 9148 4132 9150 4116 9216 4116 9241 TIME...MOT...LOC 1230Z 284DEG 51KT 4184 9105 4151 9119 4136 9171 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...70 MPH $$ Uttech  139 WGUS54 KHGX 171234 FFWHGX TXC071-201-291-171530- /O.NEW.KHGX.FF.W.0021.260617T1234Z-260617T1530Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Houston/Galveston TX 734 AM CDT Wed Jun 17 2026 The National Weather Service in League City has issued a * Flash Flood Warning for... Northwestern Chambers County in southeastern Texas... Harris County in southeastern Texas... Southern Liberty County in southeastern Texas... * Until 1030 AM CDT. * At 734 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. The expected rainfall rate is 2 to 4 inches in 1 hour. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Pasadena, Baytown, La Porte, Deer Park, South Houston, northern Seabrook, Galena Park, Liberty, Dayton, Beach City, Barrett, Highlands, Channelview, Cloverleaf, Kingwood, northern Clear Lake, northeastern South Belt / Ellington, Crosby, Mont Belvieu and Taylor Lake Village. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 2963 9522 3000 9522 3017 9497 2998 9452 2978 9461 2975 9470 2973 9477 2969 9479 2968 9480 2962 9489 2962 9494 2959 9494 2958 9503 FLASH FLOOD...RADAR INDICATED EXPECTED RAINFALL RATE...2-4 INCHES IN 1 HOUR $$ KLG  496 WUUS53 KDVN 171235 SVRDVN ILC015-073-131-161-195-IAC045-097-139-163-171330- /O.NEW.KDVN.SV.W.0191.260617T1235Z-260617T1330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Quad Cities IA/IL 735 AM CDT Wed Jun 17 2026 The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Rock Island County in northwestern Illinois... Mercer County in northwestern Illinois... Western Whiteside County in northwestern Illinois... Western Henry County in northwestern Illinois... South central Carroll County in northwestern Illinois... Southern Jackson County in east central Iowa... Scott County in east central Iowa... Eastern Muscatine County in east central Iowa... Clinton County in east central Iowa... * Until 830 AM CDT. * At 734 AM CDT, severe thunderstorms were located along a line extending from near Oxford Junction to near Wilton to near Fredonia, moving east at 55 mph. HAZARD...70 mph wind gusts. SOURCE...Trained weather spotters. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Davenport, Moline, Rock Island, Bettendorf, Clinton, East Moline, Maquoketa, Aledo, Durant, Silvis, Geneseo, Eldridge, DeWitt, Milan, Colona, Camanche, Le Claire, Coal Valley, Fulton, and Savanna. This includes the following highways... Interstate 74 in Iowa between mile markers 1 and 5. Interstate 80 in Iowa between mile markers 278 and 306. Interstate 80 in Illinois between mile markers 1 and 23. Interstate 74 in Illinois between mile markers 1 and 28. Interstate 88 between mile markers 1 and 24. Interstate 280 between mile markers 1 and 18. This also includes Big Bend Fish and Wildlife Area. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4208 8997 4147 9001 4115 9043 4115 9099 4117 9104 4124 9111 4130 9107 4134 9109 4142 9103 4141 9092 4209 9090 TIME...MOT...LOC 1234Z 277DEG 50KT 4201 9094 4156 9102 4132 9133 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...70 MPH $$ Uttech  468 WWUS53 KDMX 171236 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 736 AM CDT Wed Jun 17 2026 IAC123-171245- /O.EXP.KDMX.SV.W.0239.000000T0000Z-260617T1245Z/ Mahaska IA- 736 AM CDT Wed Jun 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MAHASKA COUNTY WILL EXPIRE AT 745 AM CDT... The severe thunderstorm which prompted the warning has moved out of the warned area. Therefore, the warning will be allowed to expire. However, gusty winds and heavy rain are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for south central and southeastern Iowa. LAT...LON 4122 9277 4138 9247 4134 9241 4116 9241 4116 9271 TIME...MOT...LOC 1235Z 296DEG 46KT 4119 9234 $$ Fowle  323 WWUS53 KDVN 171247 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 747 AM CDT Wed Jun 17 2026 IAC103-171256- /O.CAN.KDVN.SV.W.0189.000000T0000Z-260617T1300Z/ Johnson IA- 747 AM CDT Wed Jun 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JOHNSON COUNTY IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for northwestern Illinois...and southeastern and east central Iowa. && LAT...LON 4209 9091 4143 9091 4143 9098 4141 9105 4125 9111 4123 9110 4132 9156 4133 9155 4142 9139 4142 9137 4144 9137 4164 9102 4210 9100 TIME...MOT...LOC 1246Z 271DEG 55KT 4205 9085 4154 9085 4129 9115 $$ IAC031-105-115-139-183-171300- /O.CON.KDVN.SV.W.0189.000000T0000Z-260617T1300Z/ Louisa IA-Cedar IA-Washington IA-Jones IA-Muscatine IA- 747 AM CDT Wed Jun 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR NORTHWESTERN LOUISA...EASTERN CEDAR...EAST CENTRAL WASHINGTON... SOUTHEASTERN JONES AND MUSCATINE COUNTIES... At 746 AM CDT, severe thunderstorms were located along a line extending from Eden Valley Refuge to Pleasant Prairie to near Grandview, moving east at 65 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Trained weather spotters. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Muscatine, Columbus Junction, Durant, Wilton, Fruitland, Lowden, Grandview, Wyoming, Oxford Junction, Conesville, Bennett, Letts, Fredonia, Sand Springs, Cranston, Bennett Park, Moscow, Sunbury, Haskins, and Saulsbury Bridge Campground. This includes Interstate 80 in Iowa between mile markers 272 and 277. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4209 9091 4143 9091 4143 9098 4141 9105 4125 9111 4123 9110 4132 9156 4133 9155 4142 9139 4142 9137 4144 9137 4164 9102 4210 9100 TIME...MOT...LOC 1246Z 271DEG 55KT 4205 9085 4154 9085 4129 9115 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...70 MPH $$ Uttech  233 WGUS53 KDVN 171255 FFWDVN IAC031-095-103-105-107-113-115-139-183-ILC131-161-171900- /O.NEW.KDVN.FF.W.0023.260617T1255Z-260617T1900Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Quad Cities IA IL 755 AM CDT Wed Jun 17 2026 The National Weather Service in Quad Cities has issued a * Flash Flood Warning for... Cedar County in east central Iowa... Iowa County in east central Iowa... Southern Johnson County in east central Iowa... Southern Jones County in east central Iowa... Central Linn County in east central Iowa... Muscatine County in east central Iowa... Keokuk County in southeastern Iowa... Louisa County in southeastern Iowa... Washington County in southeastern Iowa... Mercer County in northwestern Illinois... Southwestern Rock Island County in northwestern Illinois... * Until 200 PM CDT Wednesday. * At 755 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Cedar Rapids, Iowa City, Muscatine, Washington, Aledo, Tipton, West Branch, Wapello, Sigourney, Columbus Junction, Durant, Mechanicsville, Stanwood, Marion, Hiawatha, West Liberty, Robins, Williamsburg, Wilton and Center Point. This includes the following highways... Interstate 80 in Iowa between mile markers 205 and 229...and between mile markers 254 and 278. Interstate 380 between mile markers 25 and 36. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4174 9183 4163 9183 4162 9137 4204 9137 4204 9184 4218 9183 4199 9091 4160 9090 4144 9079 4136 9052 4115 9045 4112 9100 4112 9137 4116 9137 4116 9241 4151 9241 4151 9230 4172 9230 FLASH FLOOD...RADAR INDICATED $$ Schreck  385 WGUS74 KHGX 171257 FFSHGX Flash Flood Statement National Weather Service Houston/Galveston TX 757 AM CDT Wed Jun 17 2026 TXC039-171307- /O.EXP.KHGX.FF.W.0020.000000T0000Z-260617T1300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Brazoria TX- 757 AM CDT Wed Jun 17 2026 ...FLASH FLOOD WARNING AT 8 AM CDT THIS MORNING FOR SOUTH CENTRAL BRAZORIA COUNTY HAS BEEN REPLACED WITH A FLOOD WARNING... && LAT...LON 2927 9534 2930 9529 2922 9535 2910 9540 2893 9536 2891 9533 2889 9532 2887 9537 2884 9544 2888 9546 2897 9549 2907 9549 2914 9547 $$ KLG  486 WUUS53 KDVN 171257 SVRDVN ILC067-071-109-131-187-IAC057-087-111-115-177-171400- /O.NEW.KDVN.SV.W.0192.260617T1257Z-260617T1400Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Quad Cities IA/IL 757 AM CDT Wed Jun 17 2026 The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Northern Hancock County in west central Illinois... Henderson County in west central Illinois... Warren County in west central Illinois... Northern McDonough County in west central Illinois... Southern Mercer County in northwestern Illinois... Southern Henry County in southeastern Iowa... Southeastern Des Moines County in southeastern Iowa... East central Van Buren County in southeastern Iowa... Southeastern Louisa County in southeastern Iowa... Lee County in southeastern Iowa... * Until 900 AM CDT. * At 757 AM CDT, severe thunderstorms were located along a line extending from near New Boston to near Danville to near Hillsboro, moving southeast at 55 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Burlington, Macomb, Fort Madison, Monmouth, Oquawka, Nauvoo, Bushnell, West Burlington, Burgess, La Harpe, Roseville, West Point, Dallas City, Danville, Donnellson, Montrose, Stronghurst, Kirkwood, Blandinsville, and Keithsburg. This also includes Argyle Lake State Park, Big River State Forest, Delabar State Park, Henderson County Conservation Area, and Nauvoo State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. A Tornado Watch remains in effect until 300 PM CDT for west central Illinois. && LAT...LON 4046 9141 4077 9174 4087 9174 4087 9106 4091 9098 4095 9097 4109 9097 4114 9100 4114 9046 4045 9047 TIME...MOT...LOC 1257Z 306DEG 47KT 4114 9100 4090 9133 4086 9174 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ Uttech