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Flat Lake, MT Weather Forecast
Flat Lake, MT Weather Forecast Date: 301 PM MST Tue Nov 10 2026
The area/counties/county of: Sheridan, including the cities of: Plentywood and Medicine Lake.or toggle through each period.
Rest of Today... Mostly sunny. Near steady temperature around 50. Northwest wind around 5 mph.
Tonight... Partly cloudy in the evening, then becoming mostly cloudy. Patchy freezing fog after midnight. Lows around 30. Northwest wind around 5 mph.
Veterans Day... Patchy freezing fog in the morning. Mostly sunny. Highs in the upper 40s. North wind around 5 mph, becoming southeast around 5 mph in the afternoon.
Wednesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s. Southeast wind 5 to 10 mph.
Thursday... Partly sunny in the morning, then clearing. Highs in the upper 40s. Southeast wind 10 to 15 mph.
Thursday Night... Partly cloudy. Lows in the lower 30s. Highs in the lower 50s.
Friday... Partly cloudy. Lows in the lower 30s. Highs in the lower 50s.
Friday Night... Mostly cloudy. Lows in the lower 30s. Highs around 50.
Saturday... Mostly cloudy. Lows in the lower 30s. Highs around 50.
Saturday Night... Partly cloudy. Lows in the lower 30s. Highs in the lower 50s.
Sunday... Partly cloudy. Lows in the lower 30s. Highs in the lower 50s.
POP = Probability of Precipitation
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