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Armington, MT Weather Forecast
Armington, MT Weather Forecast Date: 336 AM MDT Sat Sep 19 2026
The area/counties/county of: Cascade County Below 5000ft, including the city of Great Falls.or toggle through each period.
Today... Cloudy. Chance of rain early in the morning, then slight chance of rain in the late morning and afternoon. Highs in the upper 60s. Northeast winds up to 10 mph. Chance of rain 50%.
Tonight... Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. Southeast winds up to 10 mph.
Sunday... Mostly sunny. Highs in the lower 70s. South winds up to 5 mph.
Sunday Night... Mostly clear. Lows in the upper 40s. Southeast winds up to 10 mph.
Monday... Sunny. Highs in the upper 70s. Southwest winds up to 10 mph.
Monday Night... Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
Tuesday... Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
Wednesday... Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
Thursday... Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
Thursday Night... Partly cloudy. Lows in the lower 50s. Highs in the upper 70s.
POP = Probability of Precipitation
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