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St. Marie, MT Weather Forecast
St. Marie, MT Weather Forecast Date: 601 PM MST Mon Nov 02 2026
The area/counties/county of: Central And Southern Valley, including the cities of: Glasgow, Fort Peck, Hinsdale, and Frazer.or toggle through each period.
Tonight... Partly cloudy. Patchy fog and freezing fog after midnight. Lows in the upper 20s. Northwest wind 5 to 10 mph.
Tuesday... Patchy fog and freezing fog in the morning. Mostly sunny. Highs in the upper 40s. Southwest wind around 5 mph, becoming south in the afternoon.
Tuesday Night... Partly cloudy. Lows in the upper 20s. East wind around 5 mph.
Wednesday... Mostly sunny. Highs in the mid 40s. Northwest wind around 5 mph.
Wednesday Night... Partly cloudy. Lows in the upper 20s. Northwest wind around 5 mph, becoming northeast after midnight.
Thursday... Partly cloudy. Highs around 50. Lows in the lower 30s.
Friday... Partly cloudy. Highs around 50. Lows in the lower 30s.
Saturday... Partly cloudy. Highs around 50. Lows in the lower 30s.
Saturday Night... Mostly clear. Lows in the lower 30s.
Sunday... Partly cloudy. Highs in the mid 50s. Lows in the mid 30s.
POP = Probability of Precipitation
St. Marie Radar Loop
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