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 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 $$ Uttech 468 WWUS53 KDMX 171236 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 736 AM CDT Wed Jun 17 2026 IAC123-171245- /O.EXP.KDMX.SV.W.0239.000000T0000Z-260617T1245Z/ Mahaska IA- 736 AM CDT Wed Jun 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MAHASKA COUNTY WILL EXPIRE AT 745 AM CDT... The severe thunderstorm which prompted the warning has moved out of the warned area. Therefore, the warning will be allowed to expire. However, gusty winds and heavy rain are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for south central and southeastern Iowa. LAT...LON 4122 9277 4138 9247 4134 9241 4116 9241 4116 9271 TIME...MOT...LOC 1235Z 296DEG 46KT 4119 9234 $$ 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