| NWS Forecast for: Yellowstone National Park Issued by: National Weather Service Riverton, WY Last Update: 101 AM MDT Thu Jul 16 2026 | |
| Rest Of Tonight: Mostly clear. Lows in the upper 40s. Thursday: Mostly sunny in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 60 percent. Thursday Night: Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows around 50. Chance of rain 30 percent. Friday: Partly cloudy. Showers and thunderstorms likely in the afternoon. Highs in the upper 70s. Chance of rain 70 percent. Friday Night: Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows around 50. Chance of rain 60 percent. Saturday: Mostly sunny in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 60 percent. Saturday Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 50. Chance of rain 50 percent. Sunday: Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the upper 70s. Sunday Night: Partly cloudy. Lows around 50. Monday: Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the lower 50s. Chance of rain 40 percent. Tuesday: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 80 percent. Tuesday Night: Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows around 50. Chance of rain 70 percent. Wednesday: Partly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 80 percent. | |
| Zone Forecast: Yellowstone National Park | |
Visit your local NWS office at: https://www.weather.gov/riw |