Colorado Severe Flash Flood Warning | Effective 09-02-2026 11:37

Headline: 
Flash Flood Warning issued September 2 at 12:37PM MDT until September 2 at 3:30PM MDT by NWS Grand Junction CO
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 2, 2026 - 11:37am
Expires: 
September 2, 2026 - 2:30pm
Description: 
FFWGJT The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... West Central Mesa County in west central Colorado... * Until 330 PM MDT. * At 1237 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. The expected rainfall rate is 1 to 3 inches in 1 hour. Additional rainfall amounts of 0.2 to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Flash flooding of creeks, arroyos, and streams, streets and underpasses. * Some locations that will experience flash flooding include... Grand Junction, Fruita and Colorado National Monument. This includes the following streams and drainages... Devils Canyon, Monument Canyon, and Wedding Canyon
Instruction: 
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. Immediately climb to higher ground. Runoff concentrated through narrow canyon walls can quickly become dangerous, life threatening conditions.
SNM: AVISO DE INUNDACIONES REPENTINAS hasta 3:30 PM MDT. Evite areas inundadas.
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 3:30 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: 
Mesa, CO
Forcast Office: 
NWS Grand Junction CO
Sender: 
w-nws.webmaster@noaa.gov