| NWS Forecast for: Rock Springs and Green River Issued by: National Weather Service Riverton, WY Last Update: 218 PM MDT Mon Apr 20 2026 |  |
This Afternoon: Partly cloudy. Highs around 70. West winds 10 to 15 mph with gusts up to 25 mph. Tonight: Partly cloudy in the evening, then clearing. Lows around 40. Southwest winds 10 to 15 mph in the evening. Tuesday: Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the lower 70s. South winds around 10 mph, increasing to 15 to 20 mph with gusts up to 30 mph in the afternoon. Tuesday Night: Partly cloudy in the evening, then clearing. Breezy with lows around 40. South winds 15 to 20 mph with gusts up to 30 mph. Wednesday: Mostly sunny in the morning, then partly cloudy with a chance of showers, snow showers with a slight chance of thunderstorms in the afternoon. Windy with highs around 60. Temperature falling to around 50 in the afternoon. Southwest winds 20 to 30 mph. Gusts up to 45 mph in the afternoon. Chance of precipitation 30 percent. Wednesday Night: Partly cloudy and breezy. Lows in the lower 30s. Thursday: Mostly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers, a slight chance of rain showers and thunderstorms in the afternoon. Breezy with highs around 50. Chance of precipitation 30 percent. Thursday Night: Partly cloudy with a 20 percent chance of snow showers. Breezy with lows in the upper 20s. Friday: Partly cloudy with a chance of snow showers. A slight chance of thunderstorms in the afternoon. Breezy with highs around 50. Chance of snow 30 percent. Friday Night: Partly cloudy and breezy. Lows in the lower 20s. Saturday: Partly cloudy. A slight chance of thunderstorms and snow showers in the afternoon. Highs around 50. Chance of snow 20 percent. Saturday Night: Partly cloudy. A slight chance of. Lows in the mid 20s. Sunday: Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs around 50. Chance of snow 30 percent. | |
| Zone Forecast: Rock Springs and Green River | |
Visit your local NWS office at: https://www.weather.gov/riw |