| NWS Forecast for: Green Mountains and Rattlesnake Range Issued by: National Weather Service Riverton, WY Last Update: 932 PM MDT Wed Aug 12 2026 | |
| Tonight: Cloudy with a slight chance of thunderstorms. Areas of smoke. A chance of showers after midnight. Lows in the mid 50s. South winds around 10 mph. Chance of rain 30 percent. Thursday: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Patchy smoke. Highs in the mid 70s. South winds around 10 mph with gusts up to 25 mph in the afternoon. Chance of rain 80 percent. Thursday Night: Partly cloudy. Showers likely with a chance of thunderstorms in the evening. Lows in the lower 50s. Southwest winds around 10 mph with gusts up to 25 mph. Chance of rain 60 percent. Friday: Partly cloudy and breezy. Highs in the mid 70s. Southwest winds 15 to 20 mph with gusts up to 35 mph. Friday Night: Mostly cloudy. Lows in the lower 50s. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening. Saturday: Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. Saturday Night: Partly cloudy in the evening, then clearing. Lows around 50. Sunday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. Sunday Night: Partly cloudy. Lows in the lower 50s. Monday: Partly cloudy in the morning, then clearing. Highs around 80. Monday Night: Partly cloudy. Lows in the mid 50s. Tuesday: Partly cloudy. A slight chance of. Highs in the lower 80s. Tuesday Night: Mostly cloudy with a slight chance of showers. Lows in the lower 50s. Chance of rain 20 percent. Wednesday: Partly cloudy in the morning, then clearing. A slight chance of. Highs in the lower 80s. | |
| Zone Forecast: Green Mountains and Rattlesnake Range | |
Visit your local NWS office at: https://www.weather.gov/riw |