| NWS Forecast for: Rock Springs and Green River Issued by: National Weather Service Riverton, WY Last Update: 202 PM MDT Wed Sep 16 2026 | |
| This Afternoon: Partly cloudy with a chance of showers and thunderstorms. Highs in the mid 70s. Southeast winds around 10 mph. Chance of rain 30 percent. Tonight: Partly cloudy in the evening, then becoming cloudy. Lows around 50. Southeast winds around 10 mph. Thursday: Cloudy in the morning, then becoming partly cloudy. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 70s. Southeast winds around 10 mph, becoming west in the afternoon. Chance of rain 30 percent. Thursday Night: Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 40s. Southwest winds around 10 mph in the evening. Chance of rain 30 percent. Friday: Partly cloudy. A slight chance of showers and thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Southwest winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 80 percent. Friday Night: Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 40s. Chance of rain 70 percent. Saturday: Mostly sunny in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 60 percent. Saturday Night: Partly cloudy in the evening, then clearing. Lows around 40. Sunday: Sunny. Highs around 70. Sunday Night: Mostly clear. Lows around 40. Monday: Mostly sunny. Highs around 70. Monday Night: Mostly clear. Lows around 40. Tuesday: Mostly sunny. Highs around 70. | |
| Zone Forecast: Rock Springs and Green River | |
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