| NWS Forecast for: Southern Big Horn Issued by: National Weather Service Billings, MT Last Update: 351 AM MDT Wed May 27 2026 | |
| Today: Mostly cloudy. Slight chance of rain showers early in the afternoon. Slight chance of showers and thunderstorms late in the afternoon. Highs in the upper 80s. Southeast winds 10 to 20 mph. Chance of precipitation 20 percent. Tonight: Mostly cloudy. Lows around 60. Southeast winds 10 to 20 mph. Thursday: Increasing clouds. Highs in the lower 90s. Southeast winds 5 to 15 mph. Thursday Night: Mostly cloudy. Lows in the upper 50s. Southeast winds 5 to 15 mph. Friday: Mostly sunny. Highs in the lower 90s. East winds 5 to 10 mph. Friday Night: Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 50s. Saturday: Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 70 percent. Saturday Night: Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers overnight. Lows in the upper 40s. Chance of precipitation 60 percent. Sunday: Partly sunny. Chance of rain showers in the morning, then chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 50 percent. Sunday Night: Partly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows in the upper 40s. Chance of precipitation 30 percent. Monday: Mostly sunny. A 30 percent chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Monday Night: Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows in the upper 40s. Tuesday: Mostly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. | |
| Zone Forecast: Southern Big Horn | |
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