Iowa Severe Thunderstorm Warning | Effective 05/18/2026 15:54

Headline: 
Severe Thunderstorm Warning issued May 18 at 5:54PM CDT until May 18 at 6:30PM CDT by NWS Des Moines IA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 18, 2026 - 3:54pm
Expires: 
May 18, 2026 - 4:30pm
Description: 
At 553 PM CDT, a severe thunderstorm was located near Shambaugh, or 7 miles southeast of Clarinda, moving east at 35 mph. THIS IS A DESTRUCTIVE STORM FOR TAYLOR COUNTY. HAZARD...80 mph wind gusts and ping pong ball size hail. SOURCE...Trained weather spotters reported an 84 mph wind gust south of Clarinda. 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... Bedford, New Market, Gravity, Sharpsburg, Conway, Athelstan, Lake Of Three Fires State Park, and Bedford Municipal Airport.
Instruction: 
A Tornado Watch remains in effect until 1000 PM CDT for southwestern Iowa. Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Adams, IA; Taylor, IA
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov