Montana Severe Flash Flood Warning | Effective 06/27/2026 20:55

Headline: 
Flash Flood Warning issued June 27 at 9:55PM MDT until June 27 at 11:15PM MDT by NWS Glasgow MT
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
June 27, 2026 - 8:55pm
Expires: 
June 27, 2026 - 10:15pm
Description: 
FFWGGW The National Weather Service in Glasgow has extended the * Flash Flood Warning for... North Central Roosevelt County in northeastern Montana... * Until 1115 PM MDT. * At 955 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2.5 and 3.5 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Mainly rural areas of North Central Roosevelt County.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Area Description: 
Roosevelt, MT
Forcast Office: 
NWS Glasgow MT