


NWS Forecast for: Star Valley Issued by: National Weather Service Riverton, WY Last Update: 234 PM MDT Thu Oct 16 2025 | ![]() |
This Afternoon: Numerous rain showers with isolated thunderstorms. Near steady temperature in the lower 40s. Northwest winds around 10 mph. Chance of rain 60 percent. Tonight: Cloudy. Numerous rain showers in the evening. Areas of fog after midnight. Lows in the upper 20s. Northwest winds around 10 mph in the evening. Chance of rain 60 percent. Friday: Mostly cloudy in the morning, then becoming partly cloudy. Areas of fog in the morning. Highs around 50. West winds around 10 mph in the afternoon. Friday Night: Partly cloudy. Lows in the upper 20s. Southwest winds around 10 mph with gusts up to 20 mph. Saturday: Partly cloudy in the morning, then clearing. Highs around 50. Saturday Night: Clear. Lows in the upper 20s. Sunday: Mostly sunny in the morning, then partly cloudy with a chance of rain showers in the afternoon. Breezy with highs around 60. Chance of rain 30 percent. Sunday Night: Mostly cloudy in the evening, then becoming partly cloudy. Rain showers likely. Snow showers likely with a slight chance of thunderstorms after midnight. Little or no snow accumulation. Lows in the upper 20s. Chance of precipitation 70 percent. Monday: Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 40s. Chance of precipitation 40 percent. Monday Night: Mostly clear. Lows around 20. Tuesday: Mostly sunny. Highs in the lower 50s. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 20s. Wednesday: Partly cloudy in the morning, then clearing. Highs in the mid 50s. | |
Zone Forecast: Star Valley | |
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