Colorado Severe Flash Flood Warning | Effective 09-16-2026 20:45

Headline: 
Flash Flood Warning issued September 16 at 9:45PM MDT until September 17 at 12:45AM MDT by NWS Grand Junction CO
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 16, 2026 - 8:45pm
Expires: 
September 16, 2026 - 11:45pm
Description: 
FFWGJT The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... North Central Mesa County in west central Colorado... * Until 1245 AM MDT. * At 945 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.4 and 0.7 inches of rain have fallen. The expected rainfall rate is 2 to 4 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Cameo.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Interstate 70 through Cameo and Debeque Canyon is prone to rockslides and mudslides in heavy rain. Stay alert for rocks and debris on roads, and avoid driving on flooded roads. Find an alternate route.
SNM: AVISO DE INUNDACIONES REPENTINAS hasta 12:45 AM MDT. Evite areas inundadas.
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 12:45 AM 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: 
Mesa, CO
Forcast Office: 
NWS Grand Junction CO
Sender: 
w-nws.webmaster@noaa.gov