| NWS Forecast for: Star Valley Issued by: National Weather Service Riverton, WY Last Update: 1232 PM MDT Tue May 19 2026 |  |
| This Afternoon: Partly cloudy. Highs in the mid 50s. Tonight: Partly cloudy in the evening, then clearing. Lows around 30. Southwest winds around 10 mph in the evening. Wednesday: Partly cloudy. Highs around 60. West winds around 10 mph in the afternoon. Wednesday Night: Mostly cloudy. Rain showers with a slight chance of snow showers after midnight. Little or no snow accumulation. Lows in the mid 30s. Southwest winds around 10 mph in the evening. Chance of precipitation 80 percent. Thursday: Rain showers. Snow showers with a slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the mid 50s. Northwest winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 90 percent. Thursday Night: Partly cloudy in the evening, then clearing. Lows around 30. Friday: Partly cloudy. A slight chance of. Highs in the lower 60s. Friday Night: Partly cloudy in the evening, then clearing. Lows in the lower 30s. Saturday: Mostly sunny. Highs around 70. Saturday Night: Mostly clear. Lows around 40. Sunday: Mostly sunny. A slight chance of. Highs in the mid 70s. Sunday Night: Partly cloudy in the evening, then clearing. Lows in the upper 30s. Memorial Day: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent. | |
| Zone Forecast: Star Valley | |
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