| NWS Forecast for: Yellowstone National Park Issued by: National Weather Service Riverton, WY Last Update: 247 AM MDT Wed Jul 1 2026 |  |
| Rest Of Tonight: Mostly clear. Lows in the mid 30s. Wednesday: Sunny in the morning, then partly cloudy with a chance of rain showers and thunderstorms in the afternoon. Highs in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. Wednesday Night: Partly cloudy. Lows in the upper 30s. South winds 10 to 15 mph with gusts up to 25 mph in the evening. Thursday: Mostly sunny. Highs in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Thursday Night: Partly cloudy in the evening, then clearing. Lows around 40. Southwest winds 10 to 15 mph with gusts up to 30 mph in the evening. Friday: Partly cloudy. A slight chance of. Highs in the upper 60s. Friday Night: Partly cloudy in the evening, then clearing. Lows in the lower 40s. Independence Day: Sunny. Highs around 70. Saturday Night: Clear. Lows in the lower 40s. Sunday: Sunny. Highs in the mid 70s. Sunday Night: Mostly clear. Lows in the mid 40s. Monday: Mostly sunny. A slight chance of. Highs in the upper 70s. Monday Night: Partly cloudy. Lows in the upper 40s. Tuesday: Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent. | |
| Zone Forecast: Yellowstone National Park | |
Visit your local NWS office at: https://www.weather.gov/riw |