| NWS Forecast for: Yellowstone National Park Issued by: National Weather Service Riverton, WY Last Update: 546 AM MST Thu Nov 20 2025 | |
Today: Partly cloudy this morning, then clearing. Patchy fog this morning. Highs in the upper 30s. Tonight: Mostly clear. Lows in the lower 20s. Friday: Mostly sunny. Highs around 40. Southwest winds around 10 mph in the afternoon. Friday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 20s. Southwest winds around 10 mph. Saturday: Partly cloudy. Highs in the upper 30s. Southwest winds around 10 mph. Saturday Night: Mostly clear. Cold with lows around 20. Sunday: Mostly sunny. Highs in the lower 40s. Sunday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. Monday: Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers in the afternoon. Highs in the mid 30s. Chance of snow 30 percent. Monday Night: Partly cloudy with a 30 percent chance of snow showers. Cold with lows 10 to 15. Tuesday: Partly cloudy with a 40 percent chance of snow showers. Highs in the lower 20s. Tuesday Night: Partly cloudy. A chance of snow showers in the evening. Cold with lows 5 to 10 above. Chance of snow 30 percent. Wednesday: Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers in the afternoon. Highs in the lower 20s. Chance of snow 30 percent. | |
| Zone Forecast: Yellowstone National Park | |
Visit your local NWS office at: https://www.weather.gov/riw |