Nebraska Severe Thunderstorm Warning | Effective 05/17/2026 17:51

Headline: 
Severe Thunderstorm Warning issued May 17 at 7:51PM CDT until May 17 at 8:30PM CDT by NWS Omaha/Valley NE
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 17, 2026 - 5:51pm
Expires: 
May 17, 2026 - 6:30pm
Description: 
At 750 PM CDT, a severe thunderstorm was located over Greenwood, or 14 miles southwest of Gretna, moving northeast at 45 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Weather Instruments measured 66 mph 5 miles north of Waverly. 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... Ashland, Gretna, Springfield, Wehrspann Lake, Prairie Queen Recreation Area, southeastern Omaha, Papillion, La Vista, Chalco, Walnut Creek Recreation Area, Bellevue, Ralston, South Omaha, western Council Bluffs, Aksarben, Midtown, Carter Lake and Eppley Airfield. People attending Fricke Field, the Omaha Cinco de Mayo celebration, Papillion LaVista South High School, Werner Park, and Tal Anderson Field should seek safe shelter immediately! This includes the following highways... Interstate 80 in Iowa near mile marker 1. Interstate 80 in Nebraska between mile markers 411 and 454.
Instruction: 
A Tornado Watch remains in effect until 1100 PM CDT for southwestern Iowa...and southeastern and east central Nebraska. Prepare immediately for large hail and damaging winds. People outside should move to a shelter, inside a strong building and away from windows.
Area Description: 
Cass, NE; Douglas, NE; Lancaster, NE; Sarpy, NE; Saunders, NE
Forcast Office: 
NWS Omaha/Valley NE
Sender: 
w-nws.webmaster@noaa.gov