| NWS Forecast for: Yellowstone National Park Issued by: National Weather Service Riverton, WY Last Update: 1132 PM MST Sat Feb 28 2026 | |
| Tonight: Partly cloudy. Cold with lows around 20. Southwest winds around 10 mph. Sunday: Mostly cloudy. Snow showers likely in the afternoon. Snow accumulation up to 3 inches. Highs in the upper 30s. Southwest winds around 10 mph. Gusts up to 25 mph in the afternoon. Chance of snow 60 percent. Sunday Night: Areas of fog in the evening. Cloudy with snow showers likely. Snow accumulation up to 4 inches. Lows in the upper 20s. Southwest winds around 10 mph in the evening. Chance of snow 60 percent. Monday: Snow showers. New little or no snow accumulation. Highs in the upper 30s. Chance of snow 80 percent. Monday Night: Mostly cloudy with a chance of snow showers in the evening, then partly cloudy after midnight. Cold with lows 16 to 22. Chance of snow 30 percent. Tuesday: Partly cloudy in the morning, then clearing. Highs around 40. Tuesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 20s. Wednesday: Mostly cloudy. A chance of snow showers in the afternoon. Highs in the upper 30s. Chance of snow 40 percent. Wednesday Night: Snow showers. Moderate snow accumulation. Lows in the lower 20s. Chance of snow 90 percent. Thursday: Snow showers. New light snow accumulation. Highs around 30. Chance of snow 80 percent. Thursday Night: Mostly cloudy. Snow showers likely, mainly in the evening. New little or no snow accumulation. Cold with lows 10 to 15. Chance of snow 60 percent. Friday: Cloudy with a chance of snow showers in the morning, then partly cloudy with snow showers likely in the afternoon. Light snow accumulation possible. Highs in the upper 20s. Chance of snow 60 percent. Friday Night: Partly cloudy with a 40 percent chance of snow showers. Cold with lows 10 to 15. Saturday: Partly cloudy in the morning, then clearing. A 40 percent chance of snow showers. Highs around 30. | |
| Zone Forecast: Yellowstone National Park | |
Visit your local NWS office at: https://www.weather.gov/riw |