Colorado Severe Flash Flood Warning | Effective 07/21/2026 14:19

Headline: 
Flash Flood Warning issued July 21 at 3:19PM MDT until July 21 at 6:30PM MDT by NWS Grand Junction CO
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 21, 2026 - 2:19pm
Expires: 
July 21, 2026 - 5:30pm
Description: 
FFWGJT The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... Northeastern San Miguel County in southwestern Colorado... Southern Montrose County in west central Colorado... * Until 630 PM MDT. * At 319 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.3 and 0.5 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. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Norwood and Placerville, including areas along Highway 145.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Highway 145 between Norwood Hill and Placerville 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.
Area Description: 
Montrose, CO; San Miguel, CO
Forcast Office: 
NWS Grand Junction CO