| NWS Forecast for: North Bighorn Basin Issued by: National Weather Service Riverton, WY Last Update: 932 AM MDT Fri Sep 25 2026 |  |
| Today: Mostly cloudy this morning, then becoming partly cloudy. Breezy with highs around 80. Southeast winds 15 to 20 mph. Tonight: Mostly clear. Lows in the lower 50s. South winds 10 to 15 mph. Saturday: Partly cloudy in the morning, then clearing. Highs around 80. Northwest winds around 10 mph. Saturday Night: Partly cloudy. Lows around 50. Northwest winds around 10 mph with gusts up to 25 mph. Sunday: Mostly cloudy in the morning, then becoming partly cloudy. Highs around 70. Northwest winds around 10 mph with gusts up to 20 mph. Sunday Night: Mostly cloudy. A chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent. 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. Chance of rain 30 percent. Monday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 40s. Tuesday: Sunny. Highs in the lower 70s. Tuesday Night: Mostly clear. Lows in the mid 40s. Wednesday: Mostly sunny. Highs in the lower 70s. Wednesday Night: Mostly clear. Lows in the mid 40s. Thursday: Mostly sunny. Highs in the lower 70s. | |
| Zone Forecast: North Bighorn Basin | |
Visit your local NWS office at: https://www.weather.gov/riw |