Immediate

Responsive action SHOULD be taken immediately

Kansas Severe Thunderstorm Warning | Effective 05/17/2026 18:18

At 818 PM CDT, a severe thunderstorm was located near Hanover, moving northeast at 30 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Marysville, Washington, Hanover, Hollenberg, and Bremen. A Tornado Watch remains in effect until 1100 PM CDT for north central and northeastern Kansas. For your protection move to an interior room on the lowest floor of a building.

Iowa Severe Thunderstorm Warning | Effective 05/17/2026 18:19

SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Pocahontas County in northwestern Iowa... Sac County in west central Iowa... Calhoun County in west central Iowa... Western Palo Alto County in northwestern Iowa... * Until 915 PM CDT. * At 818 PM CDT, a severe thunderstorm was located over Holstein, or 11 miles north of Ida Grove, moving northeast at 55 mph. HAZARD...70 mph wind gusts and nickel size hail. SOURCE...Radar indicated.

Nebraska Severe Thunderstorm Warning | Effective 05/17/2026 18:20

At 820 PM CDT, severe thunderstorms were located along a line extending from 4 miles north of Bennet to 3 miles west of Sterling to 5 miles southeast of Odell, moving east at 40 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Palmyra, Sterling, Douglas, Barneston, Lewiston, Virginia, Crab Orchard, Unadilla, Liberty, Burchard, Tecumseh and Summerfield.

Iowa Severe Thunderstorm Warning | Effective 05/17/2026 18:21

SVRFSD The National Weather Service in Sioux Falls has issued a * Severe Thunderstorm Warning for... Cherokee County in northwestern Iowa... Northeastern Woodbury County in west central Iowa... Southeastern Osceola County in northwestern Iowa... Dickinson County in northwestern Iowa... Southeastern Plymouth County in northwestern Iowa... Buena Vista County in northwestern Iowa... Clay County in northwestern Iowa... O'Brien County in northwestern Iowa...

Iowa, Nebraska Tornado Warning | Effective 05/17/2026 18:21

At 821 PM CDT, a severe thunderstorm capable of producing a tornado was located 4 miles north of Fort Calhoun, or 6 miles east of Blair, moving northeast at 40 mph. HAZARD...Tornado and quarter size hail. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. Locations impacted include... Missouri Valley.

Nebraska Severe Thunderstorm Warning | Effective 05/17/2026 18:22

At 822 PM CDT, a severe thunderstorm was located over Davey, or 13 miles north of Lincoln, moving north at 20 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... Ceresco and Ithaca. This includes Interstate 80 in Nebraska between mile markers 397 and 412. A Tornado Watch remains in effect until 1100 PM CDT for southeastern and east central Nebraska.

Kansas Severe Thunderstorm Warning | Effective 05/17/2026 18:22

At 821 PM CDT, severe thunderstorms were located along a line extending from near Ada to 6 miles northeast of Olmitz, moving northeast at 45 mph. HAZARD...70 mph wind gusts and ping pong ball size hail. SOURCE...Trained weather spotters reported quarter size hail 1 mile east of Beverly at 820 PM. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings.

Iowa, Nebraska Tornado Warning Extreme | Effective 05-17-2026 18:04

Public safety alert, emergency alert, and weather alert Description: TOROAX The National Weather Service in Omaha has issued a * Tornado Warning for... Northwestern Pottawattamie County in southwestern Iowa... Southwestern Harrison County in southwestern Iowa... Southeastern Washington County in east central Nebraska... * Until 830 PM CDT. * At 804 PM CDT, a severe thunderstorm capable of producing a tornado was located 3 miles south of Kennard, or 4 miles northwest of Bennington, moving northeast at 45 mph.
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