7-Day Zone Forecast for Custer County (Text-Only)
NWS Forecast for: Custer County
Issued by: National Weather Service Billings, MT
Last Update: 1150 AM MDT Wed Jun 10 2026


Rest Of Today: Sunny, cooler. Highs around 70. West winds 15 to 25 mph.

Tonight: Slight chance of rain showers late in the evening. Rain showers likely overnight, then rain showers after 3 am. Lows in the upper 40s. West winds 15 to 25 mph. Chance of precipitation 90 percent.

Thursday: Cloudy with chance of rain showers early in the morning, then mostly cloudy with slight chance of rain showers late in the morning. Mostly sunny in the afternoon. Highs in the lower 70s. Northwest winds 15 to 25 mph. Chance of precipitation 50 percent.

Thursday Night: Mostly clear. Lows in the mid 40s. Northwest winds 5 to 15 mph in the evening shifting to the southwest 5 to 10 mph overnight.

Friday: Sunny. Highs in the upper 70s. West winds 5 to 15 mph.

Friday Night: Partly cloudy. A 30 percent chance of rain showers overnight. Lows around 50.

Saturday: Mostly cloudy with a 30 percent chance of rain showers. Cooler. Highs in the mid 60s.

Saturday Night: Mostly cloudy. Slight chance of showers and thunderstorms in the evening, then slight chance of rain showers overnight. Lows in the mid 40s. Chance of precipitation 20 percent.

Sunday: Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 30 percent.

Sunday Night: Partly cloudy. Lows in the mid 40s.

Monday: Mostly sunny. Slight chance of rain showers in the morning, then slight chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 20 percent.

Monday Night: Partly cloudy. Lows in the upper 40s.

Tuesday: Mostly sunny. Highs in the upper 70s.

Tuesday Night: Partly cloudy. Lows in the lower 50s.

Wednesday: Mostly sunny. Highs in the mid 80s.







Zone Forecast: Custer County

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