Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

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Last Map Update: Sat, Aug 29, 2026 at 3:48:15 am MDT

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

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Flood Watch

Hazardous Weather Outlook

Thunderstorms Today and Sunday

There will be chances for showers and thunderstorms across northeast Montana today and tonight. An isolated severe storm with large hail and damaging winds is possible this afternoon and evening with the best chance in Wibaux County. A cold front on Sunday will bring showers and thunderstorms at times. A few storms could become severe on Sunday with damaging winds being the main threat. Gusty west winds will develop Sunday afternoon and continue through Monday.