511 WWUS53 KDMX 171109 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 609 AM CDT Wed Jun 17 2026 IAC099-127-153-169-171118- /O.EXP.KDMX.SV.W.0235.000000T0000Z-260617T1115Z/ Polk IA-Story IA-Marshall IA-Jasper IA- 609 AM CDT Wed Jun 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR POLK...SOUTHEASTERN STORY... SOUTHWESTERN MARSHALL AND NORTHWESTERN JASPER COUNTIES WILL EXPIRE AT 615 AM CDT... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for central and south central Iowa. LAT...LON 4164 9295 4151 9361 4180 9377 4201 9324 TIME...MOT...LOC 1108Z 326DEG 36KT 4174 9326 $$ Donavon 896 WWUS53 KDVN 171110 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 610 AM CDT Wed Jun 17 2026 IAC103-115-139-183-171145- /O.CON.KDVN.SV.W.0186.000000T0000Z-260617T1145Z/ Louisa IA-Johnson IA-Washington IA-Muscatine IA- 610 AM CDT Wed Jun 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR NORTHWESTERN LOUISA...SOUTHEASTERN JOHNSON...EASTERN WASHINGTON AND SOUTHWESTERN MUSCATINE COUNTIES... At 610 AM CDT, a severe thunderstorm was located over Gladwin, or near Columbus Junction, moving east at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Muscatine, Columbus Junction, Lone Tree, Riverside, Fruitland, Ainsworth, Grandview, Conesville, Columbus City, Letts, Nichols, Crawfordsville, Cotter, Fredonia, Sand Springs, Cranston, Haskins, Saulsbury Bridge Campground, Ardon, and Muscatine Municipal Airport. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4153 9103 4142 9103 4141 9105 4139 9105 4137 9107 4130 9107 4130 9109 4125 9111 4124 9111 4120 9107 4121 9157 4149 9160 TIME...MOT...LOC 1110Z 268DEG 36KT 4134 9145 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Uttech 220 WWUS53 KDMX 171111 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 611 AM CDT Wed Jun 17 2026 IAC075-171120- /O.CAN.KDMX.SV.W.0236.000000T0000Z-260617T1130Z/ Grundy IA- 611 AM CDT Wed Jun 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GRUNDY 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 central Iowa. LAT...LON 4203 9230 4217 9282 4221 9278 4221 9277 4223 9277 4228 9272 4229 9253 4229 9230 TIME...MOT...LOC 1110Z 291DEG 38KT 4210 9249 $$ IAC127-171-171130- /O.CON.KDMX.SV.W.0236.000000T0000Z-260617T1130Z/ Marshall IA-Tama IA- 611 AM CDT Wed Jun 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR NORTHEASTERN MARSHALL AND NORTHERN TAMA COUNTIES... At 610 AM CDT, a severe thunderstorm was located near Clutier, or 8 miles northeast of Toledo, moving east at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Traer, Dysart, Gladbrook, Clutier, Lincoln, and Tf Clark State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4203 9230 4217 9282 4221 9278 4221 9277 4223 9277 4228 9272 4229 9253 4229 9230 TIME...MOT...LOC 1110Z 291DEG 38KT 4210 9249 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Donavon 871 WWUS53 KDMX 171124 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 624 AM CDT Wed Jun 17 2026 IAC127-171133- /O.CAN.KDMX.SV.W.0237.000000T0000Z-260617T1145Z/ Marshall IA- 624 AM CDT Wed Jun 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MARSHALL 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 central Iowa. LAT...LON 4186 9273 4212 9262 4204 9230 4161 9230 TIME...MOT...LOC 1123Z 296DEG 38KT 4190 9238 $$ IAC157-171-171145- /O.CON.KDMX.SV.W.0237.000000T0000Z-260617T1145Z/ Poweshiek IA-Tama IA- 624 AM CDT Wed Jun 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR NORTHEASTERN POWESHIEK AND SOUTHERN TAMA COUNTIES... At 623 AM CDT, a severe thunderstorm was located over Chelsea, or 11 miles southeast of Toledo, moving southeast at 45 mph. THIS IS A DESTRUCTIVE STORM! HAZARD...80 mph wind gusts and penny size hail. SOURCE...Emergency management. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. Locations impacted include... Toledo, Tama, Brooklyn, Meskwaki Casino, Victor, Holiday Lake, Chelsea, Elberon, Hartwick, Guernsey, Vining, Toledo Municipal Airport, and Otter Creek Lake and Park. This includes Interstate 80 between mile markers 198 and 204. PRECAUTIONARY/PREPAREDNESS ACTIONS... This is a DANGEROUS SITUATION. This storm is producing widespread wind damage! SEEK SHELTER NOW inside a sturdy structure and stay away from windows. && LAT...LON 4186 9273 4212 9262 4204 9230 4161 9230 TIME...MOT...LOC 1123Z 296DEG 38KT 4190 9238 THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...80 MPH $$ Donavon 501 WWUS53 KDVN 171124 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 624 AM CDT Wed Jun 17 2026 IAC103-183-171134- /O.CAN.KDVN.SV.W.0186.000000T0000Z-260617T1145Z/ Johnson IA-Washington IA- 624 AM CDT Wed Jun 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JOHNSON AND EASTERN WASHINGTON 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 northwestern Illinois...and southeastern and east central Iowa. && LAT...LON 4153 9103 4142 9103 4141 9105 4139 9105 4137 9107 4130 9107 4130 9109 4125 9111 4124 9111 4120 9107 4121 9139 4151 9135 TIME...MOT...LOC 1124Z 268DEG 36KT 4134 9126 $$ IAC115-139-171145- /O.CON.KDVN.SV.W.0186.000000T0000Z-260617T1145Z/ Louisa IA-Muscatine IA- 624 AM CDT Wed Jun 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR CENTRAL LOUISA AND SOUTHWESTERN MUSCATINE COUNTIES... At 624 AM CDT, a severe thunderstorm was located over Letts, or 7 miles northeast of Columbus Junction, moving east at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Muscatine, Columbus Junction, Fruitland, Grandview, Conesville, Columbus City, Letts, Nichols, Fredonia, Sand Springs, Cranston, Saulsbury Bridge Campground, Louisa County Fairgrounds, Ardon, Muscatine Municipal Airport, and Flaming Prairie Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4153 9103 4142 9103 4141 9105 4139 9105 4137 9107 4130 9107 4130 9109 4125 9111 4124 9111 4120 9107 4121 9139 4151 9135 TIME...MOT...LOC 1124Z 268DEG 36KT 4134 9126 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Uttech 923 WWUS53 KDMX 171126 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 626 AM CDT Wed Jun 17 2026 IAC127-171136- /O.CAN.KDMX.SV.W.0238.000000T0000Z-260617T1215Z/ Marshall IA- 626 AM CDT Wed Jun 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MARSHALL 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 central and south central Iowa. LAT...LON 4151 9241 4133 9241 4175 9306 4186 9272 4162 9230 4151 9230 TIME...MOT...LOC 1126Z 309DEG 43KT 4170 9271 $$ IAC099-123-157-171215- /O.CON.KDMX.SV.W.0238.000000T0000Z-260617T1215Z/ Poweshiek IA-Mahaska IA-Jasper IA- 626 AM CDT Wed Jun 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT FOR POWESHIEK...NORTHEASTERN MAHASKA AND NORTHEASTERN JASPER COUNTIES... At 626 AM CDT, a severe thunderstorm was located over Grinnell Regional Airport, or near Grinnell, moving southeast at 50 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Newton, Grinnell, Montezuma, Rock Creek Lake, Kellogg, Lynnville, Malcom, Deep River, Barnes City, Oakland Acres, Searsboro, Guernsey, Grinnell Regional Airport, and Rock Creek State Park. This includes Interstate 80 between mile markers 171 and 198. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4151 9241 4133 9241 4175 9306 4186 9272 4162 9230 4151 9230 TIME...MOT...LOC 1126Z 309DEG 43KT 4170 9271 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Donavon 748 WWUS53 KDMX 171130 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 630 AM CDT Wed Jun 17 2026 IAC127-171-171139- /O.EXP.KDMX.SV.W.0236.000000T0000Z-260617T1130Z/ Marshall IA-Tama IA- 630 AM CDT Wed Jun 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MARSHALL AND NORTHERN TAMA COUNTIES WILL EXPIRE AT 630 AM CDT... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for central Iowa. LAT...LON 4203 9230 4217 9282 4221 9278 4221 9277 4223 9277 4228 9272 4229 9253 4229 9230 TIME...MOT...LOC 1129Z 288DEG 44KT 4204 9222 $$ Donavon 363 WWUS53 KDMX 171143 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 643 AM CDT Wed Jun 17 2026 IAC157-171-171152- /O.EXP.KDMX.SV.W.0237.000000T0000Z-260617T1145Z/ Poweshiek IA-Tama IA- 643 AM CDT Wed Jun 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN POWESHIEK AND SOUTHERN TAMA COUNTIES WILL EXPIRE AT 645 AM CDT... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for central Iowa. LAT...LON 4186 9273 4212 9262 4204 9230 4161 9230 TIME...MOT...LOC 1142Z 296DEG 38KT 4182 9215 $$ Donavon 680 WWUS53 KDMX 171144 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 644 AM CDT Wed Jun 17 2026 IAC099-123-157-171215- /O.CON.KDMX.SV.W.0238.000000T0000Z-260617T1215Z/ Poweshiek IA-Mahaska IA-Jasper IA- 644 AM CDT Wed Jun 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT FOR SOUTHERN POWESHIEK...NORTHEASTERN MAHASKA AND EAST CENTRAL JASPER COUNTIES... At 643 AM CDT, a severe thunderstorm was located over Montezuma, moving southeast 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... Montezuma, Lynnville, Malcom, Deep River, Barnes City, Searsboro, and Guernsey. This includes Interstate 80 between mile markers 182 and 198. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4151 9241 4133 9241 4163 9288 4177 9256 4162 9230 4151 9230 TIME...MOT...LOC 1143Z 309DEG 43KT 4156 9249 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.88 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Donavon 032 WWUS53 KDVN 171147 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 647 AM CDT Wed Jun 17 2026 IAC011-095-171215- /O.CON.KDVN.SV.W.0187.000000T0000Z-260617T1215Z/ Benton IA-Iowa IA- 647 AM CDT Wed Jun 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT FOR BENTON AND IOWA COUNTIES... At 647 AM CDT, severe thunderstorms were located along a line extending from Pleasant Creek State Recreation Area to East Amana to near Parnell to near Gibson, moving southeast at 55 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Trained weather spotters. Several measured wind gusts between 60 to 70 mph in Benton and Iowa Counties. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Vinton, Marengo, Williamsburg, Belle Plaine, Atkins, Walford, Urbana, North English, Shellsburg, Victor, Newhall, Blairstown, Van Horne, Keystone, Norway, Garrison, Ladora, Parnell, Millersburg, and Mount Auburn. This includes the following highways... Interstate 80 in Iowa between mile markers 205 and 229. Interstate 380 between mile markers 40 and 48. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4215 9222 4230 9215 4230 9183 4152 9183 4151 9230 4195 9230 TIME...MOT...LOC 1147Z 300DEG 49KT 4212 9183 4183 9184 4157 9204 4147 9243 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...70 MPH $$ Uttech 742 WWUS53 KDMX 171155 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 655 AM CDT Wed Jun 17 2026 IAC099-123-157-171215- /O.CON.KDMX.SV.W.0238.000000T0000Z-260617T1215Z/ Poweshiek IA-Mahaska IA-Jasper IA- 655 AM CDT Wed Jun 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT FOR SOUTHERN POWESHIEK...NORTHEASTERN MAHASKA AND SOUTHEASTERN JASPER COUNTIES... At 655 AM CDT, a severe thunderstorm was located over Barnes City, or 7 miles southeast of Montezuma, moving southeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Montezuma, Lynnville, Deep River, Barnes City, Searsboro, and Guernsey. This includes Interstate 80 between mile markers 196 and 198. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4151 9241 4133 9241 4157 9279 4170 9244 4162 9230 4151 9230 TIME...MOT...LOC 1155Z 314DEG 41KT 4151 9242 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Fowle