| NWS Forecast for: Southern Big Horn Issued by: National Weather Service Billings, MT Last Update: 941 AM MDT Mon Sep 7 2026 |  |
| Rest Of Today: Sunny. A 20 percent chance of showers and thunderstorms early in the afternoon. Highs in the mid 80s. Northwest winds 5 to 15 mph late in the morning increasing to west 15 to 25 mph in the afternoon. Tonight: Mostly clear. Colder. Lows in the mid 40s. West winds 10 to 20 mph. Tuesday: Sunny. Highs in the upper 70s. Northwest winds 10 to 20 mph. Tuesday Night: Mostly clear. Lows in the mid 40s. Northwest winds 10 to 20 mph in the evening becoming southwest 5 to 10 mph overnight. Wednesday: Sunny. Highs in the lower 80s. South winds 5 to 10 mph in the morning shifting to the northwest in the afternoon. Wednesday Night: Mostly clear. Lows in the upper 40s. Thursday: Sunny. Highs in the upper 80s. Thursday Night: Mostly clear. Lows in the lower 50s. Friday: Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the upper 70s. Friday Night: Partly cloudy with a 20 percent chance of rain showers. Lows in the mid 40s. Saturday: Mostly sunny with a 20 percent chance of rain showers. Highs around 70. Saturday Night: Mostly cloudy with a 40 percent chance of rain showers. Lows in the lower 40s. Sunday: Partly sunny with a 40 percent chance of rain showers. Highs in the lower 60s. | |
| Zone Forecast: Southern Big Horn | |
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