Immediate

Responsive action SHOULD be taken immediately

Iowa, Minnesota Severe Thunderstorm Warning | Effective 05/17/2026 20:38

At 1037 PM CDT, severe thunderstorms were located along a line extending from near Ellendale to near Lyle to near Rockford, moving east at 70 mph. HAZARD...70 mph wind gusts. SOURCE...Fire Department. At 1038 PM, the Nora Springs Fire Department reported wind gusts of 70 mph. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. These severe storms will be near... Charles City, Osage, Lyle, Stacyville, Rose Creek, and Floyd around 1045 PM CDT.

Kansas Severe Thunderstorm Warning | Effective 05/17/2026 20:38

SVRICT The National Weather Service in Wichita has issued a * Severe Thunderstorm Warning for... Lincoln County in central Kansas... Ellsworth County in central Kansas... * Until 1145 PM CDT. * At 1037 PM CDT, a severe thunderstorm was located near Dorrance, or 6 miles southwest of Wilson, moving east at 45 mph. HAZARD...Two inch hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect

Iowa, Minnesota Tornado Warning | Effective 05/17/2026 20:39

At 1039 PM CDT, a severe squall line capable of producing both tornadoes and extensive straight line wind damage was located along a line extending from near London to near Lyle to near Nora Springs, moving northeast at 60 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. These storms have a history of producing tornadoes in the last 30 minutes. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage

Iowa Severe Thunderstorm Warning | Effective 05/17/2026 20:39

At 1038 PM CDT, a severe thunderstorm was located over Marble Rock, or 11 miles west of Charles City, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Trained weather spotters. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Mason City, Hampton, Allison, Clarksville, Nora Springs, Sheffield, Greene, Rockwell, Dumont, Bristow, Rock Falls, Hansell, Chapin, Aredale, Dougherty, Burchinal, Portland, Beeds Lake State Park, and Allison Municipal Airport.

Kansas Severe Thunderstorm Warning | Effective 05/17/2026 20:44

At 1043 PM CDT, a severe thunderstorm was located near Dorrance, or near Wilson, moving northeast at 35 mph. HAZARD...Two inch hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Russell, Dorrance, Milberger, Bunker Hill, Galatia, Susank, Wilson State Park, Wilson Lake, and Russell Airport.

Iowa Tornado Warning Extreme | Effective 05-17-2026 20:24

Public safety alert, emergency alert, and weather alert Description: TORARX The National Weather Service in La Crosse has issued a * Tornado Warning for... Southeastern Mitchell County in north central Iowa... Northern Floyd County in north central Iowa... * Until 1115 PM CDT. * At 1023 PM CDT, a severe thunderstorm capable of producing a tornado was located near Mason City, moving east at 55 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without

Iowa, Nebraska Severe Thunderstorm Warning | Effective 05/17/2026 20:00

SVROAX The National Weather Service in Omaha has issued a * Severe Thunderstorm Warning for... South central Fremont County in southwestern Iowa... Southeastern Johnson County in southeastern Nebraska... Nemaha County in southeastern Nebraska... Southeastern Otoe County in southeastern Nebraska... Northwestern Richardson County in southeastern Nebraska... Northeastern Pawnee County in southeastern Nebraska... * Until 1030 PM CDT. * At 1000 PM CDT, severe thunderstorms were located along a line

Iowa Severe Thunderstorm Warning | Effective 05/17/2026 20:01

At 1000 PM CDT, severe thunderstorms were located along a line extending from 4 miles northwest of Frost to Miller to Webster City, moving east at 65 mph. HAZARD...70 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Forest City, Garner, Belmond, Lake Mills, Britt, Emmons, Elm Lake, Union Slogh, Clear Lake, Eagle Lake, Mason City Municipal Airport,

Iowa Severe Thunderstorm Warning | Effective 05/17/2026 20:01

At 1001 PM CDT, severe thunderstorms were located along a line extending from near Adair to 6 miles north of Bridgewater to near Hacklebarney Woods County Park, moving east 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... Atlantic, Greenfield, Griswold, Lake Icaria, Anita, Adair, Fontanelle, Lewis, Massena, Cumberland, Bridgewater, Marne, Wiota,

Iowa Severe Thunderstorm Warning | Effective 05/17/2026 20:06

SVROAX The National Weather Service in Omaha has issued a * Severe Thunderstorm Warning for... Fremont County in southwestern Iowa... Montgomery County in southwestern Iowa... Eastern Mills County in southwestern Iowa... Page County in southwestern Iowa... * Until 1100 PM CDT. * At 1006 PM CDT, severe thunderstorms were located along a line extending from 5 miles southeast of Elliott to 4 miles northwest of Shenandoah to 2 miles east of Hamburg, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated.
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