| NWS Forecast for: Yellowstone National Park Issued by: National Weather Service Riverton, WY Last Update: 1247 PM MDT Mon Sep 29 2025 | |
This Afternoon: Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 60s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 30 percent. Tonight: Partly cloudy. Lows in the upper 30s. South winds around 10 mph. Tuesday: Mostly cloudy with rain showers likely. A chance of thunderstorms in the afternoon. Highs in the mid 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent. Tuesday Night: A slight chance of thunderstorms in the evening. Mostly cloudy with rain showers likely. Lows in the upper 30s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent. Wednesday: Mostly cloudy in the morning, then becoming partly cloudy. A chance of rain showers with a slight chance of thunderstorms. Highs in the mid 50s. Southwest winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 30 percent. Wednesday Night: A slight chance of thunderstorms in the evening. Partly cloudy with a chance of rain showers. Lows in the upper 30s. Chance of rain 30 percent. Thursday: Partly cloudy in the morning, then becoming mostly cloudy. A chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 50s. Chance of rain 50 percent. Thursday Night: Cloudy with a slight chance of thunderstorms. A chance of rain showers in the evening, then rain showers likely after midnight. Lows in the mid 30s. Chance of rain 70 percent. Friday: Cloudy with rain showers likely in the morning, then partly cloudy with a chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 40s. Chance of rain 60 percent. Friday Night: Partly cloudy with a slight chance of rain showers. A slight chance of snow showers after midnight. Lows around 30. Chance of precipitation 20 percent. Saturday: Partly cloudy with a slight chance of rain and snow showers. Highs in the upper 40s. Chance of precipitation 20 percent. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of rain and snow showers. Lows in the upper 20s. Chance of precipitation 30 percent. Sunday: Mostly cloudy with a chance of snow and rain showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 40s. Chance of precipitation 40 percent. | |
| Zone Forecast: Yellowstone National Park | |
Visit your local NWS office at: https://www.weather.gov/riw |