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Sweet Grass, MT Weather Forecast
Sweet Grass, MT Weather Forecast Date: 812 PM MDT Thu Sep 17 2026
The area/counties/county of: Eastern Glacier, Western Toole, And Central Pondera, including the cities of: Cut Bank, Ethridge, and Santa Rita.or toggle through each period.
Rest of Tonight... Partly cloudy then becoming mostly cloudy after midnight then becoming partly cloudy. Lows in the upper 40s. East winds up to 5 mph shifting to the northwest after midnight.
Friday... Mostly sunny. Highs in the upper 60s. Northwest winds up to 10 mph shifting to the northeast in the afternoon.
Friday Night... Mostly cloudy. Lows in the upper 40s. North winds up to 10 mph.
Saturday... Mostly sunny. Highs in the upper 60s. Northwest winds up to 5 mph shifting to the southeast in the afternoon.
Saturday Night... Partly cloudy. Lows in the mid 40s. Southeast winds up to 10 mph.
Sunday... Mostly clear. Highs in the lower 70s. Lows in the upper 40s.
Monday... Mostly clear. Highs in the lower 70s. Lows in the upper 40s.
Tuesday... Mostly clear. Highs in the lower 70s. Lows in the upper 40s.
Tuesday Night... Partly cloudy. Lows in the upper 40s. Highs in the upper 60s.
Wednesday... Partly cloudy. Lows in the upper 40s. Highs in the upper 60s.
POP = Probability of Precipitation
Sweet Grass Radar Loop
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