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Highup Lake, MT Weather Forecast
Highup Lake, MT Weather Forecast Date: 1232 AM MDT Sat Aug 22 2026
The area/counties/county of: Northwest Beaverhead County, including the cities of: Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass.or toggle through each period.
Rest of Tonight... Mostly cloudy with a 50% chance of dry thunderstorms. Patchy smoke early in the evening. Slight chance of rain showers after midnight. Highs 72 to 82. Lows 46 to 60. South winds up to 10 mph with gusts to around 30 mph.
Sunday... Breezy. Mostly sunny. Highs 69 to 79. Southwest winds 5 to 10 mph increasing to 15 to 25 mph in the afternoon. Gusts up to 45 mph.
Sunday Night... Colder. Mostly clear. Lows 39 to 49. West winds 10 to 15 mph with gusts to around 35 mph Decreasing to up to 5 mph with gusts to around 20 mph after midnight.
Monday... Sunny. Highs 70 to 80. Southwest winds up to 10 mph. Gusts up to 25 mph in the afternoon.
Monday Night... Partly cloudy in the evening then becoming mostly cloudy. Lows 45 to 53. Northwest winds 5 to 10 mph with gusts to around 25 mph shifting to the northeast after midnight.
Tuesday... Mostly sunny. A 20% chance of thunderstorms in the afternoon. Highs 69 to 79.
Tuesday Night... Mostly cloudy. A 20% chance of thunderstorms in the evening. Lows 45 to 53.
Wednesday... Mostly sunny. A 20% chance of thunderstorms in the afternoon. Highs 69 to 79.
Wednesday Night... Mostly cloudy with a 20% chance of rain showers in the evening, then partly cloudy after midnight. Lows 42 to 52.
Thursday... Sunny. Highs 67 to 77.
Thursday Night... Partly cloudy. Lows 39 to 49. Highs 65 to 77.
Friday... Partly cloudy. Lows 39 to 49. Highs 65 to 77.
POP = Probability of Precipitation
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