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Custer, MT Weather Forecast
Custer, MT Weather Forecast Date: 351 PM MDT Sat Oct 31 2026
The area/counties/county of: Northeastern Yellowstone, including the cities of: Custer and Pompeys Pillar.or toggle through each period.
Tonight... Mostly cloudy. Patchy fog. Lows in the mid 30s. Northeast winds 5 to 10 mph.
Sunday... Cloudy. Patchy fog in the morning. A 40% chance of rain showers late in the afternoon. Highs in the lower 50s. Northeast winds 5 to 15 mph.
Sunday Night... Patchy fog early in the evening. Rain showers. Lows in the lower 40s. North winds 10 to 20 mph. Chance of precipitation 90%.
Monday... Rain showers likely in the morning, then partly sunny with slight chance of rain showers in the afternoon. Highs in the mid 50s. Northwest winds 10 to 20 mph. Chance of precipitation 70%.
Monday Night... Mostly clear. Colder. Patchy fog overnight. Lows in the lower 30s. West winds 5 to 10 mph.
Tuesday... Sunny. Patchy fog early in the morning. Highs in the lower 60s.
Tuesday Night... Partly cloudy. Lows in the lower 30s.
Wednesday... Mostly sunny. Highs in the mid 50s.
Wednesday Night... Partly cloudy. Lows around 30.
Thursday... Mostly sunny. Highs in the upper 50s.
Thursday Night... Partly cloudy. Lows in the mid 30s.
Friday... Mostly sunny. Highs in the lower 60s.
Friday Night... Partly cloudy with a 20% chance of rain showers. Lows in the mid 30s.
POP = Probability of Precipitation
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