| NWS Forecast for: Bighorn Mountains West Issued by: National Weather Service Riverton, WY Last Update: 1202 PM MDT Mon Oct 5 2026 | |
| This Afternoon: Mostly sunny. Highs in the lower 70s. West winds 10 to 15 mph. Tonight: Partly cloudy in the evening, then clearing. Lows in the lower 50s. Northwest winds around 10 mph, becoming south after midnight. Tuesday: Mostly sunny. Highs around 70. Southwest winds around 10 mph, becoming west in the afternoon. Tuesday Night: Clear. Lows in the upper 40s. Northeast winds around 10 mph in the evening. Wednesday: Sunny. Highs in the upper 60s. Southwest winds around 10 mph, becoming west with gusts up to 25 mph in the afternoon. Wednesday Night: Clear. Lows in the mid 40s. Thursday: Sunny. Highs in the mid 60s. Thursday Night: Mostly clear. Lows in the mid 40s. Friday: Mostly sunny. Highs in the mid 60s. Friday Night: Mostly clear and breezy. Lows around 50. Saturday: Partly cloudy and breezy. Highs in the mid 60s. Saturday Night: Partly cloudy. A chance of rain and snow showers in the evening, then rain and snow showers likely after midnight. Little or no snow accumulation. Lows in the upper 30s. Chance of precipitation 60 percent. Sunday: Mostly cloudy with snow and rain showers likely. Little or no snow accumulation. Cooler with highs in the mid 40s. Chance of precipitation 60 percent. | |
| Zone Forecast: Bighorn Mountains West | |
Visit your local NWS office at: https://www.weather.gov/riw |