National Weather Service
BULLETIN – EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Grand Junction CO
308 PM MDT Sat Jul 18 2026
The National Weather Service in Grand Junction has issued a
- Flash Flood Warning for…
The Lee Burn Scar in…
South Central Rio Blanco County in northwestern Colorado…
Central Garfield County in west central Colorado… - Until 600 PM MDT.
- At 308 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain over the Lee Burn Scar. Flash flooding is ongoing or
expected to begin shortly.
Excessive rainfall over the warning area will cause mud slides near steep terrain and County Road 5. The mud slide can consist of rock, mud, vegetation and other loose materials.
HAZARD…Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Lee Burn
Scar.
SOURCE…Radar.
IMPACT…Life threatening flash flooding of areas in and around the Lee Burn Scar.
- Some locations that will experience flash flooding include…Rio Blanco.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks…streams…and ditches in the Lee 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.








