| NWS Forecast for: Upper Green River Basin Issued by: National Weather Service Riverton, WY Last Update: 648 AM MDT Fri Apr 17 2026 |  |
Today: Mostly sunny this morning, then becoming partly cloudy. A slight chance of. Breezy with highs around 40. Northwest winds 15 to 20 mph with gusts up to 30 mph. Tonight: Partly cloudy in the evening, then clearing. Breezy, cold with lows 13 to 17. Northwest winds 15 to 20 mph with gusts up to 30 mph, becoming west around 10 mph after midnight. Saturday: Mostly sunny. Highs around 50. West winds around 10 mph. Saturday Night: Mostly clear. Cold with lows around 20. West winds around 10 mph in the evening. Sunday: Mostly sunny. Highs in the lower 60s. Southwest winds around 10 mph with gusts up to 20 mph in the afternoon. Sunday Night: Partly cloudy. Lows around 30. Monday: Partly cloudy. Highs in the upper 60s. Monday Night: Partly cloudy in the evening, then clearing. Lows in the mid 30s. Tuesday: Mostly sunny. Highs around 70. Tuesday Night: Partly cloudy. Lows in the upper 30s. Wednesday: Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Breezy with highs around 60. Chance of rain 30 percent. Wednesday Night: Mostly cloudy with a slight chance of rain showers. A slight chance of snow showers in the evening, then a chance of snow showers after midnight. Breezy with lows in the lower 30s. Chance of precipitation 30 percent. Thursday: Partly cloudy with a chance of snow showers. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the lower 50s. Chance of precipitation 30 percent. | |
| Zone Forecast: Upper Green River Basin | |
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