| NWS Forecast for: Custer County Issued by: National Weather Service Billings, MT Last Update: 512 PM MDT Sun Jul 13 2025 |  |
| Tonight: Mostly clear. Lows in the mid 60s. West winds 5 to 10 mph in the evening shifting to the east overnight. Monday: Sunny. Highs in the upper 90s. Northwest winds 5 to 15 mph. Monday Night: Increasing clouds. Slight chance of showers and thunderstorms in the evening, then chance of showers and thunderstorms overnight. Lows around 60. Northeast winds 10 to 20 mph. Chance of precipitation 40 percent. Tuesday: Much cooler. Slight chance of thunderstorms early in the morning. Showers likely through the day. Chance of thunderstorms in the afternoon. Highs in the upper 60s. Northeast winds 10 to 20 mph. Chance of precipitation 60 percent. Tuesday Night: Rain showers likely and chance of thunderstorms in the evening, then rain showers and slight chance of thunderstorms overnight. Lows in the lower 50s. Northeast winds 10 to 20 mph. Chance of precipitation 80 percent. Wednesday: Slight chance of thunderstorms early in the morning. Rain showers likely in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of precipitation 70 percent. Wednesday Night: Partly cloudy. A 20 percent chance of rain showers in the evening. Lows around 50. Thursday: Mostly sunny. Warmer. Highs in the mid 70s. Thursday Night: Partly cloudy. Lows in the mid 50s. Friday: Sunny. Highs in the lower 80s. Friday Night: Mostly clear. Lows in the upper 50s. Saturday: Sunny. Highs in the mid 80s. Saturday Night: Partly cloudy. Lows around 60. Sunday: Mostly sunny. Highs in the lower 90s. | |
| Zone Forecast: Custer County | |
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