| NWS Forecast for: Southeast Bighorn Basin Issued by: National Weather Service Riverton, WY Last Update: 647 PM MST Sun Jan 11 2026 |  |
| Tonight: Mostly clear. Lows in the upper 20s. Monday: Mostly sunny. Highs around 50. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. Tuesday: Mostly cloudy. Highs around 50. Northwest winds around 10 mph in the afternoon. Tuesday Night: Partly cloudy. Lows in the upper 20s. Wednesday: Partly cloudy in the morning, then clearing. Highs in the lower 50s. Wednesday Night: Clear. Lows in the mid 20s. Thursday: Mostly sunny. Highs in the mid 40s. Thursday Night: Mostly clear and breezy. Lows around 20. Friday: Partly cloudy. Highs in the upper 30s. Friday Night: Partly cloudy. Cold with lows 16 to 22. Saturday: Mostly sunny. Highs in the lower 40s. Saturday Night: Mostly clear. Lows in the lower 20s. Sunday: Mostly sunny. Highs in the upper 40s. | |
| Zone Forecast: Southeast Bighorn Basin | |
Visit your local NWS office at: https://www.weather.gov/riw |