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Cascade Reservoir, MT Weather Forecast
Cascade Reservoir, MT Weather Forecast Date: 1232 PM MDT Fri Aug 21 2026
The area/counties/county of: Cascade County Below 5000ft, including the city of Great Falls.or toggle through each period.
Rest of Today... Sunny. Highs in the upper 80s. Northeast winds up to 10 mph.
Tonight... Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 60s. East winds up to 10 mph with gusts to around 35 mph.
Saturday... Partly sunny. A 20% chance of rain showers in the morning. Highs in the lower 90s. South winds up to 10 mph.
Saturday Night... Mostly cloudy. A 20% chance of thunderstorms in the evening. Lows in the lower 60s. South winds 5 to 15 mph.
Sunday... Mostly sunny. A 20% chance of thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 20 mph. Gusts up to 35 mph in the afternoon.
Sunday Night... Mostly clear. Lows in the mid 50s.
Monday... Sunny. Highs in the lower 80s.
Monday Night... Mostly clear. Lows in the mid 50s. Highs in the mid 80s.
Tuesday... Mostly clear. Lows in the mid 50s. Highs in the mid 80s.
Wednesday... Mostly sunny. Highs in the upper 80s.
Wednesday Night... Partly cloudy. A 20% chance of rain showers in the evening. Lows in the mid 50s.
POP = Probability of Precipitation
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