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Weather / Flood Watch

Severe

Flood Watch issued September 7 at 6:01AM MDT until September 8 at 12:00PM MDT by NWS Great Falls MT

East Glacier Park Region; Northern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Eastern Toole and Liberty; Southern Rocky Mountain Front; Southern High Plains; Eastern Pondera and Eastern Teton

Urgency: Future
Certainty: Possible
Onset: 9/7/2026, 12:01:00 PM
Expires: 9/7/2026, 8:15:00 PM

Details

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of north central Montana, including the following areas, East Glacier Park Region, Eastern Glacier, Western Toole, and Central Pondera, Eastern Pondera and Eastern Teton, Eastern Toole and Liberty, Northern High Plains, Southern High Plains and Southern Rocky Mountain Front. * WHEN...Through Tuesday morning. * IMPACTS...Excessive runoff may result in minor flooding of creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage areas. Rural gravel and dirt roads can become muddy and may become difficult to travel. Rock/debris slides are possible in the mountains. * ADDITIONAL DETAILS... - Thunderstorms today will be capable of producing 0.50 to 1 inch per hour rain rates. Periods of moderate to heavy rainfall will be possible Monday through Tuesday morning. Widespread 0.75 to 1.5 inches of rain have already fallen along the Rocky Mountain Front over the past 24 hours. Additional widespread rain accumulations of 1 to 3 inches are possible along the Rocky Mountain Front and Sweet Grass Hills with isolated 4 inches possible along and north of US Highway 2 this afternoon through Tuesday morning. - http://www.weather.gov/safety/flood

What To Do

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Other Active Flood Watch Alerts

Source: National Weather Service.