| NWS Forecast for: Green Mountains and Rattlesnake Range Issued by: National Weather Service Riverton, WY Last Update: 832 AM MST Fri Jan 23 2026 |  |
Today: Cloudy with a 30 percent chance of snow showers. Colder with highs 11 to 19. Northeast winds 10 to 15 mph with gusts up to 25 mph. Tonight: Cloudy with a chance of snow showers in the evening, then partly cloudy after midnight. Cold with lows 1 below to 7 below zero. North winds 10 to 15 mph. Chance of snow 30 percent. Saturday: Mostly sunny in the morning, then becoming partly cloudy. Cold with highs 15 to 21. West winds around 10 mph, becoming northwest in the afternoon. Saturday Night: Partly cloudy. Cold with lows 2 below to 4 above zero. Northwest winds around 10 mph. Sunday: Partly cloudy with a chance of snow showers in the morning, then mostly sunny in the afternoon. Cold with highs 15 to 21. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 30 percent. Sunday Night: Mostly clear. Cold with lows 5 to 10 above. Monday: Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the lower 30s. Monday Night: Partly cloudy and breezy, cold with lows 10 to 20. Tuesday: Partly cloudy in the morning, then clearing. Highs in the mid 30s. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Cold with lows 10 to 20. Wednesday: Mostly sunny. Highs in the mid 30s. Wednesday Night: Partly cloudy. Cold with lows 14 to 20. Thursday: Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 30s. | |
| Zone Forecast: Green Mountains and Rattlesnake Range | |
Visit your local NWS office at: https://www.weather.gov/riw |