| NWS Forecast for: Star Valley Issued by: National Weather Service Riverton, WY Last Update: 116 PM MDT Tue Sep 22 2026 |  |
| This Afternoon: Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 60s. Chance of rain 30 percent. Tonight: Mostly cloudy with showers with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 30s. Chance of rain 80 percent. Wednesday: Partly cloudy in the morning, then clearing. Highs in the mid 60s. Wednesday Night: Mostly clear. Lows in the upper 30s. Thursday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 70s. Thursday Night: Partly cloudy. Lows in the lower 40s. Friday: Partly cloudy in the morning, then clearing. Highs in the lower 70s. Friday Night: Partly cloudy. Lows in the lower 40s. Saturday: Partly cloudy in the morning, then clearing. Highs in the upper 60s. Saturday Night: Partly cloudy. Lows in the lower 40s. Sunday: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 60s. Sunday Night: Mostly cloudy. A chance of showers after midnight. Lows around 40. Chance of rain 30 percent. Monday: Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 20 percent. | |
| Zone Forecast: Star Valley | |
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