Iowa Tornado Warning Extreme | Effective 05-17-2026 18:54

Headline: 
Tornado Warning issued May 17 at 8:54PM CDT until May 17 at 9:45PM CDT by NWS Sioux Falls SD
Event: 
Tornado Warning
Urgency: 
Immediate
Effective: 
May 17, 2026 - 6:54pm
Expires: 
May 17, 2026 - 7:45pm
Description: 
TORFSD The National Weather Service in Sioux Falls has issued a * Tornado Warning for... Dickinson County in northwestern Iowa... North central Clay County in northwestern Iowa... * Until 945 PM CDT. * At 853 PM CDT, severe thunderstorms capable of producing both tornadoes and extensive straight line wind damage were located near West Okoboji, or 10 miles southwest of Spirit Lake, moving northeast at 30 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. * These dangerous storms will be near... Spirit Lake, Milford, Arnolds Park, Lake Park, Okoboji, Orleans, Wahpeton, and West Okoboji around 900 PM CDT. Other locations in the path of this tornadic thunderstorm include Superior.
Instruction: 
TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. Heavy rainfall may hide this tornado. Do not wait to see or hear the tornado. TAKE COVER NOW!
SNM:AVISO DE TORNADO hasta las 9:45 PM CDT. Refugiese ahora. Consulte medios informativos
Servicio Nacional de Meteorologia: AVISO DE TORNADO en efecto hasta las 9:45 PM CDT. Busque refugio ahora en un sotano o en el interior de un cuarto en el nivel mas bajo de un edificio seguro. Si esta al aire libre, en una casa movil, o en un vehiculo, debe ir al edificio seguro mas cercano y protegerse de proyectiles. Consulte los medios informativos.
Area Description: 
Clay, IA; Dickinson, IA
Forcast Office: 
NWS Sioux Falls SD