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Fort Smith, MT Weather Forecast
Fort Smith, MT Weather Forecast Date: 1235 PM MDT Mon Oct 26 2026
The area/counties/county of: Southern Big Horn, including the cities of: Pryor and Lodge Grass.or toggle through each period.
Rest of Today... Sunny. Highs in the upper 50s. Southeast winds 5 to 15 mph.
Tonight... Mostly cloudy. A 50% chance of rain showers after 3 am. Lows in the lower 30s. South winds 5 to 10 mph.
Tuesday... Sunny. A 20% chance of rain showers early in the morning. Highs in the lower 60s. Southwest winds 10 to 20 mph.
Tuesday Night... Partly cloudy. Lows in the lower 30s. South winds 5 to 10 mph.
Wednesday... Sunny. Highs in the lower 60s. South winds 5 to 10 mph in the morning shifting to the northwest in the afternoon.
Wednesday Night... Mostly clear. Lows in the upper 20s.
Thursday... Sunny. Highs around 60.
Thursday Night... Partly cloudy. Lows in the upper 20s.
Friday... Partly sunny. Highs in the mid 50s.
Friday Night... Mostly cloudy. Lows in the lower 30s.
Saturday... Mostly sunny. Highs in the upper 50s.
Saturday Night... Mostly cloudy with a 20% chance of rain showers. Lows in the lower 30s.
Sunday... Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Highs in the upper 50s. Chance of precipitation 30%.
Sunday Night... Mostly cloudy. Chance of rain showers in the evening, then chance of rain and snow showers overnight. Lows in the lower 30s. Chance of precipitation 50%.
POP = Probability of Precipitation
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