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Longs Reservoir, MT Weather Forecast
Longs Reservoir, MT Weather Forecast Date: 511 AM MDT Thu Oct 08 2026
The area/counties/county of: Dawson, including the cities of: Glendive and Richey.or toggle through each period.
Today... Sunny. Highs in the lower 70s. Southeast wind 5 to 10 mph, becoming southwest this afternoon.
Tonight... Mostly cloudy. Lows in the lower 40s. Northwest wind around 5 mph, becoming south around 5 mph after midnight.
Friday... Mostly sunny. Highs in the lower 80s. Southwest wind 5 to 10 mph, increasing to around 15 mph in the afternoon.
Friday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 40s. South wind around 5 mph, becoming west after midnight.
Saturday... Partly sunny. Cooler with highs in the mid 60s. Northwest wind 10 to 15 mph.
Saturday Night... Rain likely. Lows in the mid 30s.
Sunday... Rain. Much cooler with highs in the mid 40s.
Sunday Night... Rain and snow. Little or no snow accumulation. Lows around 30.
Columbus Day... Rain and snow likely. Little or no snow accumulation. Highs in the mid 40s.
Monday Night... Mostly cloudy. Lows around 30.
Tuesday... Mostly sunny. Highs in the mid 50s.
Tuesday Night... A slight chance of rain. Lows in the mid 30s.
POP = Probability of Precipitation
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