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Custer, MT Weather Forecast
Custer, MT Weather Forecast Date: 350 AM MDT Thu Sep 10 2026
The area/counties/county of: Northeastern Yellowstone, including the cities of: Custer and Pompeys Pillar.or toggle through each period.
Today... Sunny, warmer. Highs in the upper 80s. West winds 10 to 20 mph.
Tonight... Mostly clear. Lows in the mid 50s. Northwest winds 5 to 15 mph.
Friday... Mostly sunny. Cooler. Highs around 70. North winds 5 to 15 mph.
Friday Night... Mostly cloudy. Slight chance of rain showers in the evening, then chance of rain showers overnight. Lows in the upper 40s. Northeast winds 5 to 15 mph. Chance of precipitation 30%.
Saturday... Decreasing clouds. Highs in the upper 60s. Northeast winds 5 to 15 mph.
Saturday Night... Mostly cloudy with a 50% chance of rain showers. Lows in the mid 40s.
Sunday... Mostly cloudy. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 50%.
Sunday Night... Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows in the lower 40s. Chance of precipitation 50%.
Monday... Decreasing clouds. Highs in the mid 60s.
Monday Night... Mostly clear. Lows around 40.
Tuesday... Mostly sunny. Highs in the upper 60s.
Tuesday Night... Partly cloudy. Lows in the lower 40s.
POP = Probability of Precipitation
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