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Lava Lake, MT Weather Forecast
Lava Lake, MT Weather Forecast Date: 847 PM MDT Fri Oct 30 2026
The area/counties/county of: Gallatin And Madison County Mountains And Centennial Mountains, including the cities of: Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass.or toggle through each period.
Rest of Tonight... Mostly cloudy. Chance of light freezing drizzle early in the evening. Chance of drizzle and snow through the night. Light freezing drizzle likely and chance of rain after midnight. Patchy fog early in the morning. Near steady temperature in the mid 30s. South winds up to 15 mph with gusts to around 30 mph. Chance of precipitation 50%.
Saturday... Patchy fog in the morning. Rain and snow likely in the morning, then chance of rain and snow in the afternoon. Snow accumulation up to 1 inch. Snow level above 8000 feet. Highs 35 to 43. South winds up to 10 mph. Chance of precipitation 70%.
Saturday Night... Cloudy with a 50% chance of rain and snow. Near steady temperature in the mid 30s. Southeast winds 5 to 10 mph with gusts to around 30 mph.
Sunday... Snow and rain. Moderate snow accumulations. Snow level above 8000 feet. Near steady temperature in the mid 30s. Southeast winds up to 10 mph. Gusts up to 35 mph in the morning. Chance of precipitation near 100%.
Sunday Night... Snow and rain in the evening, then snow and slight chance of rain after midnight. Moderate snow accumulations. Snow level 7200 feet. Lows 25 to 31. Northwest winds up to 15 mph with gusts to around 40 mph. Chance of precipitation near 100%.
Monday... Mostly cloudy with a 50% chance of snow in the morning, then mostly sunny in the afternoon. Highs 31 to 39.
Monday Night... Mostly clear. Lows 20 to 26.
Tuesday... Partly cloudy. Highs 32 to 43. Lows 22 to 28.
Wednesday... Partly cloudy. Highs 32 to 43. Lows 22 to 28.
Thursday... Mostly sunny. A 20% chance of snow in the afternoon. Highs 34 to 44.
Thursday Night... Mostly cloudy. A 20% chance of snow. Lows in the upper 20s. Highs 34 to 42.
POP = Probability of Precipitation
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