Colorado Severe Flash Flood Warning | Effective 09/01/2026 14:46

Headline: 
Flash Flood Warning issued September 1 at 3:46PM MDT until September 1 at 5:45PM MDT by NWS Grand Junction CO
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 1, 2026 - 2:46pm
Expires: 
September 1, 2026 - 4:45pm
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 545 PM MDT. * At 346 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the Colorado National Monument and Redlands neighborhood. Between 0.5 and 1 inch of rain has fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Flash flooding of arroyos, creeks and streams, urban areas, streets and underpasses. * Some locations that will experience flash flooding include... Grand Junction, Fruita, Redlands and Orchard Mesa. This includes the following streams and drainages... No Thoroughfare Canyon, Red Canyon, Gold Star Canyon, Monument Canyon
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Arroyos, streams, and rivers can become raging currents in a matter of minutes, even from distant rainfall. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become life threatening in heavy rains. Campers and hikers should avoid streams or creeks.
Area Description: 
Mesa, CO
Forcast Office: 
NWS Grand Junction CO
Sender: 
w-nws.webmaster@noaa.gov