| NWS Forecast for: Custer County Issued by: National Weather Service Billings, MT Last Update: 1012 PM MST Mon Jan 12 2026 |  |
| Rest Of Tonight: Mostly cloudy. Lows in the lower 40s. West winds 15 to 25 mph. Tuesday: Mostly cloudy. A 30 percent chance of rain showers early in the morning. Highs in the mid 50s. Northwest winds 15 to 25 mph. Tuesday Night: Mostly cloudy. Colder. Lows in the upper 20s. Northwest winds 5 to 15 mph. Wednesday: Decreasing clouds. Highs around 50. Southwest winds 5 to 10 mph. Wednesday Night: Mostly clear. Lows in the mid 30s. West winds 5 to 15 mph. Thursday: Mostly sunny. Windy. Highs in the lower 40s. Thursday Night: Mostly clear. Windy, colder. Lows in the mid 20s. Friday: Partly sunny. Colder. Highs in the lower 30s. Friday Night: Mostly cloudy. Lows in the lower 20s. Saturday: Partly sunny. Highs in the mid 30s. Saturday Night: Partly cloudy. Lows in the lower 20s. Sunday: Mostly sunny. Highs in the lower 40s. Sunday Night: Mostly cloudy. Lows in the lower 20s. Martin Luther King Jr Day: Mostly sunny. Highs in the lower 40s. | |
| Zone Forecast: Custer County | |
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