Montana Severe Flash Flood Warning | Effective 07/22/2026 18:54

Headline: 
Flash Flood Warning issued July 22 at 7:54PM MDT until July 22 at 10:45PM MDT by NWS Great Falls MT
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 22, 2026 - 6:54pm
Expires: 
July 22, 2026 - 9:45pm
Description: 
FFWTFX The National Weather Service in Great Falls has issued a * Flash Flood Warning for... The Horse Gulch burn scar in... Northwestern Broadwater County in southwestern Montana... Southeastern Lewis and Clark County in west central Montana... * Until 1045 PM MDT. * At 754 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Horse Gulch Burn Scar. The expected rainfall rate is 1 to 2 inches in 1 hour. 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 indicated. 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. The thunderstorm is currently located towards the north side at the higher elevations of the burn scar. Any flooding or debris flow that starts at the higher elevations may impact lower elevations of the burn scar even if those areas do not receive any rainfall.
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