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Trapper Reservoir, MT Weather Forecast
Trapper Reservoir, MT Weather Forecast Date: 1251 PM MDT Fri Oct 23 2026
The area/counties/county of: Northern Valley, including the city of Opheim.or toggle through each period.
Rest of Today... Partly sunny with a 30% chance of rain. Highs in the lower 60s. South wind 15 to 20 mph.
Tonight... Rain and snow in the evening, then a chance of snow after midnight. Areas of freezing fog after midnight. Little or no snow accumulation. Windy with lows in the upper 20s. Northwest wind 25 to 30 mph with gusts up to 40 mph. Chance of precipitation near 100%.
Saturday... Sunny, breezy and much cooler with highs around 40. West wind 15 to 25 mph.
Saturday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. West wind around 5 mph, becoming northeast after midnight.
Sunday... Sunny. Highs around 40. East wind 10 to 15 mph.
Sunday Night... Partly cloudy. Lows in the mid 20s. Highs in the lower 40s.
Monday... Partly cloudy. Lows in the mid 20s. Highs in the lower 40s.
Tuesday... Partly sunny. Highs in the lower 40s.
Tuesday Night... A chance of rain and snow. Lows in the upper 20s.
Wednesday... A chance of snow. Highs in the upper 30s.
Wednesday Night... Mostly cloudy. Lows in the lower 20s.
POP = Probability of Precipitation
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