| NWS Forecast for: North Bighorn Basin Issued by: National Weather Service Riverton, WY Last Update: 546 AM MST Thu Nov 20 2025 |  |
Today: Mostly sunny. Highs in the upper 40s. Tonight: Mostly clear. Lows in the upper 20s. Friday: Mostly sunny. Highs in the lower 50s. Friday Night: Mostly clear. Lows in the upper 20s. South winds around 10 mph after midnight. Saturday: Partly cloudy in the morning, then clearing. Highs around 50. South winds around 10 mph. Saturday Night: Mostly clear. Lows in the upper 20s. Sunday: Mostly sunny. Highs in the lower 50s. Sunday Night: Mostly clear. Lows in the upper 20s. Monday: Partly cloudy. Highs in the lower 50s. Monday Night: A chance of rain showers in the evening. Partly cloudy with a chance of snow showers. Lows in the lower 20s. Chance of precipitation 30 percent. Tuesday: Partly cloudy. A chance of snow showers in the morning. Highs in the mid 30s. Chance of snow 30 percent. Tuesday Night: Partly cloudy. Cold with lows around 15. Wednesday: Partly cloudy. Highs in the lower 30s. | |
| Zone Forecast: North Bighorn Basin | |
Visit your local NWS office at: https://www.weather.gov/riw |