Montana Severe Flash Flood Warning | Effective 07/22/2026 20:25

Headline: 
Flash Flood Warning issued July 22 at 9:25PM MDT until July 22 at 10:45PM MDT by NWS Great Falls MT
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 22, 2026 - 8:25pm
Expires: 
July 22, 2026 - 9:45pm
Description: 
At 925 PM MDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain over the Horse Gulch Burn Scar. Between 0.5 and 1.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Flash flooding caused by thunderstorms in and around the Horse Gulch Burn Scar. SOURCE...Radar and automated gauges. IMPACT...Flooding of areas in and around the Horse Gulch Burn Scar. Some locations that will experience flash flooding include... Mainly rural areas of Northwestern Broadwater and Southeastern Lewis and Clark Counties.
Instruction: 
This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams...and ditches in the Horse 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.
Area Description: 
Broadwater, MT; Lewis and Clark, MT
Forcast Office: 
NWS Great Falls MT