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Johnson Reservoir, MT Weather Forecast
Johnson Reservoir, MT Weather Forecast Date: 351 PM MDT Sat Oct 03 2026
The area/counties/county of: Dawson, including the cities of: Glendive and Richey.or toggle through each period.
Tonight... Mostly cloudy this evening, then becoming partly cloudy. Lows in the upper 30s. Northwest wind around 5 mph this evening, becoming light and variable.
Sunday... Sunny. Highs in the lower 70s. East wind 5 to 10 mph.
Sunday Night... Mostly clear. Lows in the mid 40s. Southeast wind 5 to 10 mph.
Monday... Sunny. Highs in the lower 80s. South wind 5 to 10 mph, becoming west 10 to 15 mph in the afternoon.
Monday Night... Mostly clear. Lows in the lower 50s. West wind 5 to 10 mph.
Tuesday... Mostly clear. Highs in the mid 70s. Lows in the lower 40s.
Tuesday Night... Mostly clear. Highs in the mid 70s. Lows in the lower 40s.
Wednesday... Partly cloudy. Highs in the upper 60s to mid 70s. Lows in the mid 40s.
Thursday... Partly cloudy. Highs in the upper 60s to mid 70s. Lows in the mid 40s.
Friday... Partly cloudy. Highs in the upper 60s to mid 70s. Lows in the mid 40s.
Friday Night... Partly cloudy. Lows around 50. Highs in the upper 60s.
POP = Probability of Precipitation
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