| NWS Forecast for: Bighorn Mountains Southeast Issued by: National Weather Service Riverton, WY Last Update: 202 PM MDT Mon May 18 2026 | |
| This Afternoon: Snow showers with isolated thunderstorms. Snow accumulation up to 3 inches. Near steady temperature in the upper 20s. North winds 10 to 15 mph with gusts up to 30 mph. Chance of snow 90 percent. Tonight: Cloudy with snow showers in the evening, then mostly clear after midnight. Storm total snow accumulation around an inch. Cold with lows around 20. Northwest winds 10 to 15 mph, becoming west after midnight. Gusts up to 30 mph. Chance of snow 80 percent. Tuesday: Mostly sunny. Highs in the lower 40s. West winds 10 to 15 mph with gusts up to 25 mph. Tuesday Night: Partly cloudy in the evening, then clearing. Lows in the mid 20s. West winds 10 to 15 mph with gusts up to 25 mph. Wednesday: Mostly sunny. A chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 50s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 30 percent. Wednesday Night: Partly cloudy. A chance of snow showers after midnight. Lows in the mid 30s. Chance of snow 30 percent. Thursday: Mostly cloudy. Snow showers likely with a chance of rain showers in the morning, then snow showers, rain showers with a chance of thunderstorms in the afternoon. Light snow accumulation. Highs in the mid 40s. Chance of precipitation 80 percent. Thursday Night: Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. Rain and snow showers likely. New little or no snow accumulation. Lows in the lower 30s. Chance of precipitation 60 percent. Friday: 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. Friday Night: Partly cloudy in the evening, then clearing. Lows in the mid 30s. Saturday: Mostly sunny. A slight chance of. Highs around 60. Saturday Night: Mostly clear. Lows in the lower 40s. Sunday: Mostly sunny. Highs in the upper 60s. | |
| Zone Forecast: Bighorn Mountains Southeast | |
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