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Sun Lake, MT Weather Forecast
Sun Lake, MT Weather Forecast Date: 1132 AM MDT Sat Aug 29 2026
The area/counties/county of: Southern Rocky Mountain Front, including the city of Rogers Pass.or toggle through each period.
Rest of Today... Mostly sunny. Patchy smoke through the day. Chance of rain showers and slight chance of thunderstorms early in the afternoon. Chance of thunderstorms late in the afternoon. Near steady temperature in the mid 60s. Southwest winds 5 to 15 mph. Chance of precipitation 50%.
Tonight... Colder. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 36 to 42. West winds 5 to 10 mph with gusts to around 30 mph. Chance of precipitation 50%.
Sunday... Breezy, cooler. Mostly sunny. Patchy smoke through the day. A 20% chance of rain showers in the afternoon. Highs 44 to 54. West winds 10 to 15 mph with gusts to around 40 mph increasing to 15 to 25 mph with gusts to around 50 mph in the afternoon.
Sunday Night... Mostly clear. Patchy smoke in the evening. Lows 35 to 41. West winds 15 to 20 mph Decreasing to 5 to 15 mph after midnight. Gusts up to 55 mph.
Monday... Warmer, sunny. Highs 62 to 72. West winds 5 to 10 mph. Gusts up to 30 mph in the morning.
Monday Night... Mostly clear. Lows 42 to 48. Highs 68 to 78.
Tuesday... Mostly clear. Lows 42 to 48. Highs 68 to 78.
Tuesday Night... Mostly cloudy. A 40% chance of rain showers in the evening. Lows 43 to 49.
Wednesday... Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 59 to 69. Chance of precipitation 50%.
Wednesday Night... Mostly cloudy. A 20% chance of rain showers. Lows 41 to 47. Highs 57 to 67.
Thursday... Mostly cloudy. A 20% chance of rain showers. Lows 41 to 47. Highs 57 to 67.
Thursday Night... Partly cloudy. A 30% chance of rain showers. Lows 39 to 45. Highs 55 to 65.
POP = Probability of Precipitation
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