Colorado Severe Flash Flood Warning | Effective 07/20/2026 20:46

Headline: 
Flash Flood Warning issued July 20 at 9:46PM MDT until July 20 at 11:00PM MDT by NWS Grand Junction CO
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 20, 2026 - 8:46pm
Expires: 
July 20, 2026 - 10:00pm
Description: 
FFWGJT The National Weather Service in Grand Junction has extended the * Flash Flood Warning for... The Turner Gulch burn scar in... Southwestern Mesa County in west central Colorado... * Until 1100 PM MDT. * At 946 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Turner Gulch Burn Scar. Between 0.5 and 1 inch of rain has fallen. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flows. 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 Turner Gulch Burn Scar. SOURCE...Radar. IMPACT...Life threatening flash flooding of areas in and around the Turner Gulch Burn Scar. * Some locations that will experience flash flooding include... mainly rural areas of Southwestern Mesa County This includes the following streams and drainages... Bear Creek, Ute Creek, Maverick Canyon, Cow Creek, Gill Creek, West Creek, North Lobe Creek and Calamity Creek.
Instruction: 
This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams...and ditches in the Turner Gulch Burn Scar. Severe debris flows can also be anticipated across roads. Roads and driveways may be washed away in places. If you encounter flood waters...climb to safety. Move away from recently burned areas. Life-threatening flooding of creeks, roads and normally dry arroyos is likely. The heavy rains will likely trigger rockslides, mudslides and debris flows in steep terrain, especially in and around these areas.
Area Description: 
Mesa, CO
Forcast Office: 
NWS Grand Junction CO