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Ovis Lake, MT Weather Forecast
Ovis Lake, MT Weather Forecast Date: 1232 AM MDT Tue Sep 01 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... Partly cloudy. Rain showers and chance of thunderstorms. Patchy smoke early in the evening. Highs 67 to 77. Lows 37 to 49. South winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 90%.
Wednesday... Breezy. Mostly cloudy. Chance of rain showers in the morning, then chance of thunderstorms in the afternoon. Highs 56 to 66. Southeast winds 5 to 15 mph with gusts to around 30 mph increasing to southwest 15 to 25 mph with gusts to around 40 mph in the afternoon. Chance of precipitation 50%.
Wednesday Night... Colder. Mostly cloudy in the evening then becoming partly cloudy. Lows 33 to 43. Southwest winds 5 to 15 mph with gusts to around 35 mph.
Thursday... Breezy. Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 52 to 62. Southwest winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon. Gusts up to 40 mph. Chance of precipitation 50%.
Thursday Night... Mostly cloudy in the evening then becoming partly cloudy. A 20% chance of rain showers. Lows 32 to 42. Southwest winds 5 to 15 mph. Gusts up to 35 mph in the evening.
Friday... Partly cloudy. A 20% chance of rain showers. Highs 57 to 67. Lows 34 to 44.
Friday Night... Partly cloudy. A 20% chance of rain showers. Highs 57 to 67. Lows 34 to 44.
Saturday... Warmer. Mostly sunny. Highs 63 to 73.
Saturday Night... Partly cloudy. A 20% chance of rain showers after midnight. Lows 37 to 47.
Sunday... Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 61 to 71. Chance of precipitation 40%.
Sunday Night... Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 37 to 47. Chance of precipitation 50%.
Labor Day... Partly sunny with a 50% chance of rain showers. Highs 57 to 67.
Monday Night... Mostly cloudy with a 40% chance of rain showers. Lows 34 to 44.
POP = Probability of Precipitation
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