| NWS Forecast for: North Bighorn Basin Issued by: National Weather Service Riverton, WY Last Update: 1102 AM MDT Sat Sep 26 2026 | |
| Today: Mostly sunny. Highs around 80. Northwest winds around 10 mph, becoming south this afternoon. Tonight: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Sunday: Mostly cloudy. Highs around 70. Northwest winds around 10 mph with gusts up to 20 mph in the morning. Sunday Night: Mostly cloudy. Lows in the upper 40s. Northwest winds 10 to 15 mph. Monday: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 70. North winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent. Monday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 40s. Chance of rain 20 percent. Tuesday: Sunny. Highs in the lower 70s. Tuesday Night: Clear. Lows in the mid 40s. Wednesday: Sunny. Highs in the mid 70s. Wednesday Night: Mostly clear. Lows in the mid 40s. Thursday: Sunny. Highs in the lower 70s. Thursday Night: Mostly clear. Lows in the mid 40s. Friday: Mostly sunny. Highs in the lower 70s. | |
| Zone Forecast: North Bighorn Basin | |
Visit your local NWS office at: https://www.weather.gov/riw |