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Jack Reservoir, MT Weather Forecast
Jack Reservoir, MT Weather Forecast Date: 501 PM MDT Tue Oct 06 2026
The area/counties/county of: Northern Valley, including the city of Opheim.or toggle through each period.
Tonight... Partly cloudy. Lows in the lower 40s. West wind around 5 mph, becoming north after midnight.
Wednesday... Mostly sunny. Highs in the lower 60s. North wind 5 to 10 mph.
Wednesday Night... Cloudy. Lows in the lower 40s. Northeast wind around 5 mph, becoming southeast after midnight.
Thursday... Mostly sunny. Highs in the mid 60s. South wind around 10 mph.
Thursday Night... Partly cloudy. Lows in the mid 40s. South wind 5 to 10 mph.
Friday... Partly cloudy. Highs in the mid 70s. Lows in the mid 40s.
Friday Night... Partly cloudy. Highs in the mid 70s. Lows in the mid 40s.
Saturday... Partly sunny. Cooler with highs in the mid 50s.
Saturday Night... A chance of rain and snow. Lows in the lower 30s.
Sunday... A chance of snow. Cooler with highs around 40.
Sunday Night... A chance of snow. Lows in the upper 20s.
Columbus Day... A chance of snow. Highs in the lower 40s.
Monday Night... A slight chance of rain and snow. Lows in the upper 20s.
POP = Probability of Precipitation
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