| NWS Forecast for: Star Valley Issued by: National Weather Service Riverton, WY Last Update: 432 AM MDT Thu Sep 17 2026 | |
| Rest Of Tonight: Cloudy. Near steady temperature in the lower 50s. Thursday: Showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 80 percent. Thursday Night: Partly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 40s. Southeast winds around 10 mph in the evening. Chance of rain 60 percent. Friday: Partly cloudy with showers likely with a slight chance of thunderstorms in the morning, then mostly cloudy with showers with a chance of thunderstorms in the afternoon. Highs around 70. South winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 80 percent. Friday Night: Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows around 40. Chance of rain 80 percent. Saturday: Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 80 percent. Saturday Night: Partly cloudy. A slight chance of rain showers and thunderstorms in the evening. Lows in the upper 30s. Chance of rain 20 percent. Sunday: Partly cloudy in the morning, then clearing. Highs in the upper 60s. Sunday Night: Mostly clear. Lows in the upper 30s. Monday: Mostly sunny. Highs in the lower 70s. Monday Night: Partly cloudy. Lows in the upper 30s. Tuesday: Mostly sunny. Highs in the mid 70s. Tuesday Night: Mostly clear. Lows in the upper 30s. Wednesday: Mostly sunny. A slight chance of. Highs in the mid 70s. | |
| Zone Forecast: Star Valley | |
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