| NWS Forecast for: Upper Wind River Basin Issued by: National Weather Service Riverton, WY Last Update: 1102 PM MDT Wed Aug 12 2026 |  |
| Tonight: Mostly cloudy. A chance of showers with a slight chance of thunderstorms late this evening. Patchy smoke. Lows around 50. Chance of rain 30 percent. Thursday: Cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Areas of smoke. Highs around 70. South winds around 10 mph in the afternoon. Chance of rain 80 percent. Thursday Night: Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy smoke. Lows around 50. Northwest winds around 10 mph in the evening. Chance of rain 70 percent. Friday: Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 70s. West winds around 10 mph, becoming south with gusts up to 25 mph in the afternoon. Chance of rain 60 percent. Friday Night: Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the mid 40s. West winds around 10 mph. Gusts up to 25 mph in the evening. Chance of rain 30 percent. Saturday: Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 60 percent. Saturday Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the mid 40s. Chance of rain 20 percent. Sunday: Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the mid 70s. Sunday Night: Partly cloudy in the evening, then clearing. Lows in the upper 40s. Monday: Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the mid 70s. Monday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows around 50. Tuesday: Partly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. Tuesday Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows around 50. Chance of rain 30 percent. Wednesday: Partly cloudy with a slight chance of showers and thunderstorms. Highs in the mid 70s. Chance of rain 20 percent. | |
| Zone Forecast: Upper Wind River Basin | |
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