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Waste Reservoir, MT Weather Forecast
Waste Reservoir, MT Weather Forecast Date: 111 AM MDT Wed Sep 23 2026
The area/counties/county of: Northern Valley, including the city of Opheim.or toggle through each period.
Rest of Tonight... Mostly cloudy. Near steady temperature in the lower 50s. South wind 10 to 15 mph.
Wednesday... Mostly cloudy in the morning, then becoming mostly sunny. Areas of fog in the morning. Highs in the lower 70s. Southeast wind around 10 mph, becoming southwest in the afternoon.
Wednesday Night... Mostly clear. Lows around 50. Southwest wind 5 to 10 mph.
Thursday... Sunny. Highs in the upper 70s. Southwest wind 5 to 10 mph.
Thursday Night... Mostly clear. Lows in the mid 50s. Southeast wind 5 to 10 mph, increasing to around 15 mph after midnight.
Friday... Sunny, breezy with highs in the mid 70s.
Friday Night... Partly cloudy and breezy. Lows in the lower 50s. Highs in the lower 60s.
Saturday... Partly cloudy and breezy. Lows in the lower 50s. Highs in the lower 60s.
Saturday Night... Mostly clear. Lows in the lower 40s.
Sunday... Mostly sunny. Highs around 60.
Sunday Night... A slight chance of showers. Lows in the lower 40s.
Monday... A chance of showers. Highs in the upper 50s.
Monday Night... Partly cloudy. Lows in the lower 40s. Highs in the upper 50s.
POP = Probability of Precipitation
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