| NWS Forecast for: Star Valley Issued by: National Weather Service Riverton, WY Last Update: 1232 PM MST Tue Jan 20 2026 |  |
This Afternoon: Partly cloudy. Highs in the mid 20s. Tonight: Mostly clear. Cold with lows 2 below to 4 above zero. Wednesday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 20s. Wednesday Night: Partly cloudy. Cold with lows 4 to 10 above. Thursday: Partly cloudy in the morning, then clearing. Highs in the lower 30s. Thursday Night: Partly cloudy. Cold with lows 5 to 10 above. Friday: Partly cloudy. Highs in the upper 20s. Friday Night: Partly cloudy. Cold with lows 5 below to zero. Saturday: Mostly sunny. Highs in the lower 20s. Saturday Night: Mostly clear. Cold with lows 5 below to zero. Sunday: Mostly sunny. Highs in the upper 20s. Sunday Night: Mostly clear in the evening, then becoming partly cloudy. Cold with lows around 5 above. Monday: Partly cloudy. A slight chance of snow showers in the afternoon. Highs in the lower 30s. Chance of snow 20 percent. | |
| Zone Forecast: Star Valley | |
Visit your local NWS office at: https://www.weather.gov/riw |