| NWS Forecast for: Bighorn Mountains West Issued by: National Weather Service Riverton, WY Last Update: 847 PM MDT Thu Aug 13 2026 | |
| Tonight: Patchy smoke early this evening. Showers with a chance of thunderstorms early this evening, then showers with a slight chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall early this evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the upper 40s. Southeast winds around 10 mph early this evening. Chance of rain 90 percent. Friday: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 60s. West winds around 10 mph. Chance of rain 40 percent. Friday Night: Showers likely. A chance of thunderstorms, mainly in the evening. Lows around 50. West winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 60 percent. Saturday: Partly cloudy with a chance of rain showers with a slight chance of thunderstorms in the morning, then mostly sunny with rain showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 60s. West winds around 10 mph with gusts up to 20 mph. Chance of rain 60 percent. Saturday Night: Partly cloudy in the evening, then clearing. A chance of thunderstorms in the evening. A chance of rain showers. Lows in the upper 40s. North winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 40 percent. Sunday: Mostly sunny. Highs in the upper 60s. Sunday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. Monday: Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the lower 70s. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of rain showers. Lows in the lower 50s. Chance of rain 40 percent. Tuesday: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. Tuesday Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of rain showers. Lows around 50. Chance of rain 50 percent. Wednesday: Partly cloudy with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. Wednesday Night: Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening, then a slight chance of rain showers after midnight. Lows in the lower 50s. Chance of rain 30 percent. Thursday: Partly cloudy. A slight chance of rain showers and thunderstorms in the afternoon. Highs around 70. Chance of rain 20 percent. | |
| Zone Forecast: Bighorn Mountains West | |
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