Weather WorldLong Branch Lake, MT 7-Day Night Weather Forecast
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Long Branch Lake, MT Weather Forecast
Long Branch Lake, MT Weather Forecast Date: 336 AM MDT Tue Aug 11 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.
Today... Sunny. Areas of smoke in the morning, then patchy smoke in the afternoon. Highs 72 to 82. Southwest winds up to 5 mph with gusts to around 20 mph increasing to west 10 to 15 mph with gusts to around 35 mph in the afternoon.
Tonight... Partly cloudy. Patchy smoke in the evening, then areas of smoke after midnight. Lows 44 to 54. Northwest winds up to 15 mph. Gusts up to 30 mph in the evening.
Wednesday... Mostly sunny. Areas of smoke through the day. A 20% chance of thunderstorms in the afternoon. Highs 69 to 79. Southwest winds up to 5 mph increasing to 5 to 15 mph in the afternoon.
Wednesday Night... Mostly cloudy. A 20% chance of rain showers in the evening. Areas of smoke in the evening. Lows 41 to 51. Northeast winds up to 10 mph.
Thursday... Mostly cloudy. A 50% chance of thunderstorms in the afternoon. Highs 63 to 73. East winds up to 5 mph shifting to the south in the afternoon.
Thursday Night... Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 40 to 50. Chance of precipitation 70%.
Friday... Partly sunny with chance of rain showers in the morning, then cloudy with rain showers and chance of thunderstorms in the afternoon. Highs 59 to 69. Chance of precipitation 90%.
Friday Night... Mostly cloudy. Rain showers likely and chance of thunderstorms. Lows 38 to 48. Highs 61 to 71. Chance of precipitation 70%.
Saturday... Mostly cloudy. Rain showers likely and chance of thunderstorms. Lows 38 to 48. Highs 61 to 71. Chance of precipitation 70%.
Saturday Night... Mostly cloudy with chance of rain showers and slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 38 to 48. Chance of precipitation 50%.
Sunday... Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 64 to 74. Chance of precipitation 40%.
Sunday Night... Mostly cloudy with a 20% chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 40 to 50.
POP = Probability of Precipitation
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