| NWS Forecast for: Bighorn Mountains Southeast Issued by: National Weather Service Riverton, WY Last Update: 516 AM MDT Sun Sep 27 2026 | |
| Today: Partly cloudy. Highs in the lower 60s. South winds 10 to 15 mph with gusts up to 30 mph. Tonight: Mostly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Lows in the upper 40s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 30 percent. Monday: Mostly cloudy in the morning, then becoming partly cloudy. A chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 50s. West winds 10 to 15 mph. Chance of rain 30 percent. Monday Night: Mostly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Lows in the lower 40s. Chance of rain 40 percent. Tuesday: Partly cloudy in the morning, then clearing. Highs in the upper 50s. West winds around 10 mph. Tuesday Night: Mostly clear. Lows in the lower 40s. Wednesday: Sunny. Highs around 60. Wednesday Night: Mostly clear. Lows in the lower 40s. Thursday: Sunny. Highs in the lower 60s. Thursday Night: Mostly clear. Lows in the mid 40s. Friday: Mostly sunny. Highs in the lower 60s. Friday Night: Partly cloudy. Lows in the lower 40s. Saturday: Partly cloudy with a chance of rain showers. A chance of snow showers in the afternoon. Highs in the mid 50s. Chance of precipitation 40 percent. | |
| Zone Forecast: Bighorn Mountains Southeast | |
Visit your local NWS office at: https://www.weather.gov/riw |