| NWS Forecast for: Yellowstone National Park Issued by: National Weather Service Riverton, WY Last Update: 947 AM MDT Thu Sep 24 2026 | |
| Today: Sunny. Highs in the mid 60s. South winds around 10 mph with gusts up to 20 mph this morning. Tonight: Mostly clear. Lows in the upper 30s. Friday: Partly cloudy in the morning, then clearing. Highs in the lower 60s. South winds around 10 mph with gusts up to 20 mph, becoming southwest with gusts up to 30 mph in the afternoon. Friday Night: Mostly clear. Lows in the upper 30s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Saturday: Mostly sunny and breezy. Highs in the mid 50s. Southwest winds 15 to 20 mph with gusts up to 40 mph. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 30s. Sunday: Mostly cloudy with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 40 percent. Sunday Night: Mostly cloudy. A chance of rain showers and thunderstorms in the evening, then rain showers with a slight chance of thunderstorms after midnight. Lows in the upper 30s. Chance of rain 80 percent. Monday: Rain showers with a slight chance of snow showers. A chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs around 50. Chance of precipitation 80 percent. Monday Night: Mostly cloudy with rain showers likely, a slight chance of thunderstorms and snow showers in the evening, then partly cloudy with a chance of rain and snow showers after midnight. Little or no snow accumulation. Lows in the lower 30s. Chance of precipitation 60 percent. Tuesday: Partly cloudy in the morning, then clearing. Highs around 50. Tuesday Night: Partly cloudy. Lows in the lower 30s. Wednesday: Partly cloudy in the morning, then clearing. Highs in the lower 50s. | |
| Zone Forecast: Yellowstone National Park | |
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