Iowa, Nebraska Severe Thunderstorm Warning | Effective 05/18/2026 14:02

Headline: 
Severe Thunderstorm Warning issued May 18 at 4:02PM CDT until May 18 at 4:45PM CDT by NWS Omaha/Valley NE
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 18, 2026 - 2:02pm
Expires: 
May 18, 2026 - 2:45pm
Description: 
SVROAX The National Weather Service in Omaha has issued a * Severe Thunderstorm Warning for... Southwestern Fremont County in southwestern Iowa... Eastern Johnson County in southeastern Nebraska... Nemaha County in southeastern Nebraska... Otoe County in southeastern Nebraska... Northwestern Richardson County in southeastern Nebraska... Northeastern Pawnee County in southeastern Nebraska... * Until 445 PM CDT. * At 401 PM CDT, severe thunderstorms were located along a line extending from near Syracuse to 3 miles north of Table Rock, moving east at 35 mph. HAZARD...70 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Severe thunderstorms will be near... Johnson, Talmage, Dunbar, and Lorton around 405 PM CDT. Brock around 410 PM CDT. Nebraska City, Auburn, and Julian around 420 PM CDT. Other locations in the path of these severe thunderstorms include Peru, Nemaha and Brownville. This includes Interstate 29 between mile markers 4 and 17.
Instruction: 
A Tornado Watch remains in effect until 800 PM CDT for southeastern Nebraska. A Tornado Watch also remains in effect until 1000 PM CDT for southwestern Iowa. For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Fremont, IA; Johnson, NE; Nemaha, NE; Otoe, NE; Pawnee, NE; Richardson, NE
Forcast Office: 
NWS Omaha/Valley NE