| NWS Forecast for: Green Mountains and Rattlesnake Range Issued by: National Weather Service Riverton, WY Last Update: 502 AM MST Sat Dec 27 2025 |  |
Today: Mostly cloudy this morning, then partly cloudy with a chance of snow this afternoon. Breezy with highs in the mid 30s. Southwest winds 15 to 25 mph with gusts up to 40 mph. Chance of snow 30 percent. Tonight: Snow likely. Snow accumulation up to 1 inch. Breezy, colder with lows 6 to 12 above. Northwest winds 15 to 20 mph. Gusts up to 35 mph in the evening. Chance of snow 60 percent. Sunday: Mostly sunny. Highs in the lower 20s. West winds 10 to 15 mph with gusts up to 25 mph. Sunday Night: Mostly clear. Cold with lows 5 to 11 above. Southwest winds around 10 mph. Monday: Sunny. Highs around 30. Southwest winds 10 to 15 mph. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Cold with lows 15 to 20. Tuesday: Partly cloudy. Highs in the mid 30s. Tuesday Night: Partly cloudy in the evening, then clearing. Cold with lows around 20. Wednesday: Mostly sunny. Highs in the lower 40s. Wednesday Night: Mostly clear. Lows in the lower 20s. New Years Day: Partly cloudy. Highs in the lower 40s. Thursday Night: Mostly cloudy. Lows in the upper 20s. Friday: Mostly cloudy and breezy. Highs in the lower 40s. | |
| Zone Forecast: Green Mountains and Rattlesnake Range | |
Visit your local NWS office at: https://www.weather.gov/riw |