| NWS Forecast for: Bighorn Mountains West Issued by: National Weather Service Riverton, WY Last Update: 202 PM MDT Mon Aug 17 2026 |  |
| This Afternoon: Mostly cloudy with scattered showers with isolated thunderstorms. Near steady temperature in the upper 60s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40 percent. Tonight: Isolated thunderstorms in the evening. Mostly cloudy with scattered showers. Lows in the mid 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph, becoming north after midnight. Chance of rain 30 percent. Tuesday: Partly cloudy in the morning, then becoming mostly cloudy. Scattered showers. Scattered thunderstorms in the afternoon. Highs around 70. West winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of rain 30 percent. Tuesday Night: Partly cloudy. Numerous rain showers with isolated thunderstorms in the evening. Lows in the lower 50s. North winds 10 to 15 mph with gusts up to 25 mph, becoming east after midnight. Chance of rain 60 percent. Wednesday: Mostly sunny. Highs in the lower 70s. West winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Wednesday Night: Clear. Lows in the mid 50s. Thursday: Mostly sunny. Highs in the mid 70s. Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Friday: Mostly sunny. A slight chance of. Highs in the upper 70s. Friday Night: Partly cloudy. Lows around 60. Saturday: Mostly cloudy in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. Saturday Night: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 50s. Chance of rain 30 percent. Sunday: Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. | |
| Zone Forecast: Bighorn Mountains West | |
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