| NWS Forecast for: Bighorn Mountains West Issued by: National Weather Service Riverton, WY Last Update: 202 AM MDT Sun May 17 2026 |  |
Rest Of Tonight: Partly cloudy. Lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Sunday: Mostly cloudy. A chance of snow, rain with a slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 40s. West winds 10 to 15 mph with gusts up to 25 mph, becoming northwest 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of precipitation 30 percent. Sunday Night: Cloudy. Snow likely with a chance of rain in the evening, then snow after midnight. Patchy blowing snow after midnight. Snow accumulation up to 4 inches. Breezy with lows in the mid 20s. Northeast winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 80 percent. Monday: Snow. A slight chance of thunderstorms in the afternoon. New light snow accumulation. Breezy with highs in the lower 30s. North winds 15 to 20 mph. Gusts up to 40 mph in the morning. Chance of snow 90 percent. Monday Night: Cloudy with snow likely in the evening, then partly cloudy with a chance of snow showers after midnight. New little or no snow accumulation. Lows in the lower 20s. Northwest winds 10 to 15 mph with gusts up to 30 mph in the evening. Chance of snow 60 percent. Tuesday: Partly cloudy. A chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 40s. Chance of snow 30 percent. Tuesday Night: Partly cloudy in the evening, then clearing. Lows in the upper 20s. Wednesday: Partly cloudy. A chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of snow 30 percent. Wednesday Night: A slight chance of thunderstorms in the evening. Partly cloudy with a chance of rain and snow showers. Lows in the lower 30s. Chance of precipitation 30 percent. Thursday: Partly cloudy with a chance of rain and snow showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. Thursday Night: Partly cloudy. Lows in the upper 30s. Friday: Partly cloudy. A chance of snow showers, a slight chance of rain showers and thunderstorms in the afternoon. Highs in the upper 50s. Chance of precipitation 30 percent. Friday Night: Partly cloudy with a chance of snow showers. A chance of rain showers with a slight chance of thunderstorms in the evening, then a slight chance of rain showers after midnight. Lows around 40. Chance of precipitation 30 percent. Saturday: Mostly sunny. A slight chance of rain and snow showers in the morning, then a chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Highs around 60. Chance of precipitation 30 percent. | |
| Zone Forecast: Bighorn Mountains West | |
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