| NWS Forecast for: Green Mountains and Rattlesnake Range Issued by: National Weather Service Riverton, WY Last Update: 619 AM MDT Thu May 14 2026 |  |
| Today: Sunny, windy with highs in the upper 60s. West winds 20 to 30 mph with gusts up to 50 mph. Tonight: Mostly clear and windy. Lows in the lower 40s. West winds 20 to 30 mph with gusts up to 45 mph, diminishing to 10 to 15 mph with gusts up to 30 mph after midnight. Friday: Sunny, windy with highs in the upper 60s. West winds 20 to 30 mph with gusts up to 45 mph. Friday Night: Mostly clear and breezy. Lows in the mid 30s. West winds 20 to 25 mph with gusts up to 45 mph, becoming southwest around 10 mph after midnight. Saturday: Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the upper 60s. Southwest winds 15 to 20 mph. Gusts up to 35 mph in the afternoon. Saturday Night: Mostly cloudy with a 30 percent chance of showers. Lows in the upper 30s. Sunday: Mostly cloudy with a chance of snow showers. A chance of rain showers in the morning, then rain showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs in the upper 50s. Chance of precipitation 60 percent. Sunday Night: Rain showers with a slight chance of thunderstorms. Snow showers. Light snow accumulation. Breezy with lows in the upper 20s. Chance of precipitation 80 percent. Monday: Mostly cloudy with snow showers in the morning, then partly cloudy with snow showers, rain showers likely with a slight chance of thunderstorms in the afternoon. New light snow accumulation possible. Breezy with highs in the lower 40s. Chance of precipitation 60 percent. Monday Night: Mostly cloudy. A chance of snow showers, mainly in the evening. Lows in the mid 20s. Chance of snow 30 percent. Tuesday: Partly cloudy. Highs in the lower 50s. Tuesday Night: Partly cloudy. Lows around 30. Wednesday: Mostly sunny. Highs in the upper 50s. | |
| Zone Forecast: Green Mountains and Rattlesnake Range | |
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