| NWS Forecast for: Yellowstone National Park Issued by: National Weather Service Riverton, WY Last Update: 1017 AM MDT Thu Oct 8 2026 | |
| Today: Sunny. Highs in the mid 60s. West winds around 10 mph with gusts up to 25 mph this afternoon. Tonight: Partly cloudy in the evening, then clearing. Lows in the upper 30s. Southwest winds around 10 mph with gusts up to 20 mph. Friday: Mostly sunny and breezy. Highs in the lower 60s. Southwest winds 15 to 20 mph. Gusts up to 30 mph, increasing to 40 mph in the afternoon. Friday Night: Mostly clear in the evening, then partly cloudy with scattered showers after midnight. Breezy with lows around 40. Southwest winds 15 to 20 mph. Gusts up to 45 mph, decreasing to 35 mph after midnight. Chance of rain 40 percent. Saturday: Rain showers likely in the morning, then rain showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the lower 50s. Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 90 percent. Saturday Night: Rain showers with a slight chance of thunderstorms. A slight chance of snow showers after midnight. Little or no snow accumulation. Lows in the lower 30s. Chance of precipitation near 100 percent. Sunday: Rain showers, snow showers with a slight chance of thunderstorms. Little or no snow accumulation. Highs in the lower 40s. Chance of precipitation near 100 percent. Sunday Night: A slight chance of thunderstorms in the evening. Rain and snow showers. Light snow accumulation. Lows around 30. Chance of precipitation near 100 percent. Columbus Day: Mostly cloudy with a slight chance of thunderstorms. Rain and snow showers. New little or no snow accumulation. Highs in the mid 40s. Chance of precipitation 90 percent. Monday Night: Mostly cloudy in the evening, then becoming partly cloudy. A chance of rain and snow showers. Lows in the upper 20s. Chance of precipitation 30 percent. Tuesday: Mostly cloudy in the morning, then becoming partly cloudy. A chance of rain and snow showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 40s. Chance of precipitation 30 percent. Tuesday Night: Partly cloudy with a chance of rain and snow showers. Lows in the upper 20s. Chance of precipitation 40 percent. Wednesday: Mostly cloudy. A chance of rain and snow showers in the morning, then snow showers, rain showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the mid 40s. Chance of precipitation 60 percent. | |
| Zone Forecast: Yellowstone National Park | |
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