| NWS Forecast for: Northern Sweet Grass Issued by: National Weather Service Billings, MT Last Update: 350 AM MDT Tue Oct 13 2026 | |
| Today: Decreasing clouds. Warmer. Patchy fog early in the morning. Highs around 50. West winds 5 to 15 mph. Tonight: Partly cloudy. Lows in the mid 20s. West winds 5 to 10 mph. Wednesday: Sunny. Highs in the upper 50s. West winds 5 to 15 mph. Wednesday Night: Partly cloudy. Lows in the lower 30s. West winds 5 to 15 mph. Thursday: Sunny. Highs in the lower 60s. West winds 5 to 10 mph in the morning shifting to the east in the afternoon. Thursday Night: Mostly clear. Lows in the lower 30s. Friday: Sunny. Highs around 70. Friday Night: Mostly clear. Lows around 40. Saturday: Sunny. Highs in the lower 70s. Saturday Night: Partly cloudy. Lows in the lower 40s. Sunday: Mostly sunny. Highs around 70. Sunday Night: Mostly clear. Lows around 40. Monday: Sunny. Highs in the lower 70s. | |
| Zone Forecast: Northern Sweet Grass | |
Visit your local NWS office at: https://www.weather.gov/byz |