| NWS Forecast for: Yellowstone National Park Issued by: National Weather Service Riverton, WY Last Update: 516 AM MDT Thu Oct 22 2026 | |
| Today: Areas of fog this morning. Partly cloudy. Highs in the upper 50s. South winds around 10 mph. Tonight: Partly cloudy. Rain showers likely after midnight. Areas of fog after midnight. Lows in the mid 30s. Southeast winds around 10 mph. Chance of rain 60 percent. Friday: Rain showers, snow showers with a slight chance of thunderstorms. Snow accumulation up to 2 inches. Highs in the lower 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 90 percent. Friday Night: Cloudy. Snow and rain showers in the evening, then a chance of snow showers after midnight. Light snow accumulation. Lows in the mid 20s. West winds 10 to 15 mph, becoming north after midnight. Chance of precipitation 90 percent. Saturday: Partly cloudy in the morning, then clearing. Highs in the lower 40s. Saturday Night: Mostly clear. Lows in the mid 20s. Sunday: Mostly sunny. Highs in the mid 40s. Sunday Night: Mostly clear. Lows in the mid 20s. Monday: Partly cloudy in the morning, then clearing. Highs in the mid 40s. Monday Night: Partly cloudy. Lows in the mid 20s. Tuesday: Partly cloudy with a 30 percent chance of snow showers. Highs in the mid 40s. Tuesday Night: Partly cloudy with a 30 percent chance of snow showers. Lows in the mid 20s. Wednesday: Partly cloudy with a 20 percent chance of snow showers. Highs in the lower 40s. | |
| Zone Forecast: Yellowstone National Park | |
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