| NWS Forecast for: Southwestern Yellowstone Issued by: National Weather Service Billings, MT Last Update: 1239 AM MDT Thu Sep 3 2026 |  |
Today: Mostly cloudy with a 20 percent chance of showers early in the morning, then sunny in the late morning and afternoon. Highs in the mid 80s. Southwest winds 5 to 15 mph. Tonight: Mostly clear early in the evening then becoming mostly cloudy late in the evening then becoming mostly clear overnight. Lows in the mid 50s. North winds 5 to 15 mph. Friday: Sunny. Highs in the lower 90s. Southwest winds 5 to 15 mph. Friday Night: Partly cloudy. Lows in the upper 50s. Northwest winds 5 to 15 mph. Saturday: Sunny. Highs in the lower 80s. Northwest winds 5 to 10 mph in the morning shifting to the northeast 5 to 15 mph in the afternoon. Saturday Night: Mostly clear. Lows in the upper 50s. Sunday: Mostly sunny. Highs in the upper 70s. Sunday Night: Chance of showers and thunderstorms in the evening, then rain showers likely and slight chance of thunderstorms overnight. Lows in the upper 50s. Chance of precipitation 60 percent. Labor Day: Mostly cloudy. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 50 percent. Monday Night: Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers overnight. Lows in the lower 50s. Chance of precipitation 40 percent. Tuesday: Mostly sunny. A 20 percent chance of rain showers in the morning. Highs in the lower 70s. Tuesday Night: Partly cloudy. Lows around 50. Wednesday: Mostly sunny. Highs in the mid 70s. | |
| Zone Forecast: Southwestern Yellowstone | |
Visit your local NWS office at: https://www.weather.gov/byz |