| NWS Forecast for: Southwestern Yellowstone Issued by: National Weather Service Billings, MT Last Update: 404 AM MDT Mon Aug 3 2026 |  |
| Today: Mostly sunny. Cooler. Areas of smoke. Highs in the lower 70s. North winds 10 to 20 mph. Tonight: Mostly clear. Colder. Patchy smoke early in the evening. Lows around 50. Northeast winds 5 to 15 mph in the evening shifting to the south 5 to 10 mph overnight. Tuesday: Sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph. Tuesday Night: Mostly clear. Lows in the mid 50s. Northeast winds 5 to 15 mph. Wednesday: Sunny. Highs in the mid 80s. West winds 5 to 10 mph. Wednesday Night: Mostly clear. Lows in the upper 50s. Thursday: Sunny. Highs in the lower 90s. Thursday Night: Mostly clear. Lows in the lower 60s. Friday: Sunny. Highs in the upper 90s. Friday Night: Partly cloudy. Lows in the upper 60s. Saturday: Sunny. Highs in the upper 90s. Saturday Night: Partly cloudy. Lows in the mid 60s. Sunday: Mostly sunny. Highs in the mid 90s. | |
| Zone Forecast: Southwestern Yellowstone | |
Visit your local NWS office at: https://www.weather.gov/byz |