| NWS Forecast for: Upper Green River Basin Issued by: National Weather Service Riverton, WY Last Update: 716 AM MDT Wed Oct 21 2026 | |
| Today: Mostly sunny. Highs in the lower 60s. East winds around 10 mph this morning. Tonight: Partly cloudy. Lows in the upper 30s. Southeast winds around 10 mph, becoming east after midnight. Thursday: Cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs around 60. East winds around 10 mph, becoming southeast with gusts up to 25 mph in the afternoon. Chance of rain 30 percent. Thursday Night: Cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows around 40. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent. Friday: Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of thunderstorms. Showers, breezy with highs around 50. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 80 percent. Friday Night: Partly cloudy. A chance of rain showers in the evening, then a slight chance of rain and snow showers after midnight. Lows around 30. Chance of precipitation 30 percent. Saturday: Partly cloudy. Highs in the upper 40s. Saturday Night: Mostly clear. Lows in the mid 20s. Sunday: Partly cloudy in the morning, then clearing. Highs around 50. Sunday Night: Mostly clear. Lows in the upper 20s. Monday: Partly cloudy in the morning, then clearing. Highs in the lower 50s. Monday Night: Mostly clear. Lows in the mid 20s. Tuesday: Mostly sunny. Highs in the lower 50s. | |
| Zone Forecast: Upper Green River Basin | |
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