Utah Severe Flash Flood Warning | Effective 07-21-2026 18:16

Headline: 
Flash Flood Warning issued July 21 at 7:16PM MDT until July 21 at 10:15PM MDT by NWS Salt Lake City UT
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 21, 2026 - 6:16pm
Expires: 
July 21, 2026 - 9:15pm
Description: 
FFWSLC The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... The Cottonwood burn scar in Piute County in... Southwestern Piute County in central Utah... * Until 1015 PM MDT. * At 716 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Cottonwood burn scar in Piute County. Between 0.5 and 0.75 inches of rain have fallen. Additional rainfall amounts of 0.25 to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow moving through City Creek, Ten Mile Creek, and may develop in Cottonwood Creek if the storm moves into that drainage. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Cottonwood burn scar in Piute County and points downstream to HW 89 between milepost 166-177. SOURCE...Radar. IMPACT...Life threatening flash flooding of areas in and around the Cottonwood burn scar in Piute County and points downstream to HW 89. * Some locations that will experience flash flooding include... Junction north to 4 miles south of Marysvale
Instruction: 
This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams in the Cottonwood burn scar in Piute County downstream to HW 89. Severe debris flows can also be anticipated across roads. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
SNM: AVISO DE INUNDACIONES REPENTINAS hasta 10:15 PM MDT. Evite areas inundadas.
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 10:15 PM MDT. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo.
Area Description: 
Piute, UT
Forcast Office: 
NWS Salt Lake City UT