7-Day Zone Forecast for Star Valley (Text-Only)
NWS Forecast for: Star Valley
Issued by: National Weather Service Riverton, WY
Last Update: 832 AM MDT Tue Aug 25 2026
Print


Today: Mostly sunny. Highs in the lower 80s. Northwest winds around 10 mph this afternoon.

Tonight: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s. South winds around 10 mph in the evening.

Wednesday: Partly cloudy. Highs in the mid 80s. West winds around 10 mph with gusts up to 20 mph in the afternoon.

Wednesday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s. Southeast winds around 10 mph with gusts up to 20 mph in the evening.

Thursday: Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the mid 80s.

Thursday Night: Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows around 50. Chance of rain 20 percent.

Friday: Mostly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 40 percent.

Friday Night: Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 40s. Chance of rain 40 percent.

Saturday: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 60 percent.

Saturday Night: Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 40s. Chance of rain 40 percent.

Sunday: Partly cloudy in the morning, then clearing. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 30 percent.

Sunday Night: Partly cloudy. Lows in the lower 40s.

Monday: Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent.







Zone Forecast: Star Valley

Visit your local NWS office at: https://www.weather.gov/riw