7-Day Zone Forecast for Southern Big Horn (Text-Only)
NWS Forecast for: Southern Big Horn
Issued by: National Weather Service Billings, MT
Last Update: 350 AM MDT Tue Oct 13 2026


Today: Patchy fog early in the morning. Mostly cloudy with a 20 percent chance of rain showers in the morning and early afternoon, then partly sunny late in the afternoon. Highs in the lower 50s. West winds 5 to 10 mph.

Tonight: Decreasing clouds. Areas of fog overnight. Patchy fog after 3 am. Lows around 30. South winds 5 to 10 mph.

Wednesday: Mostly sunny. Patchy fog early in the morning. Highs around 60. Southeast winds 5 to 10 mph.

Wednesday Night: Partly cloudy. Lows in the mid 30s. West winds 5 to 10 mph.

Thursday: Sunny. Highs in the lower 60s. Northwest winds 5 to 15 mph.

Thursday Night: Mostly clear. Lows in the lower 30s.

Friday: Sunny, warmer. Highs in the lower 70s.

Friday Night: Clear. Lows around 40.

Saturday: Sunny. Highs in the upper 70s.

Saturday Night: Mostly clear. Lows in the lower 40s.

Sunday: Sunny. Highs in the lower 70s.

Sunday Night: Mostly clear. Lows in the lower 40s.

Monday: Sunny. Highs in the upper 70s.







Zone Forecast: Southern Big Horn

Visit your local NWS office at: https://www.weather.gov/byz