| NWS Forecast for: Casper Mountain Issued by: National Weather Service Riverton, WY Last Update: 302 AM MDT Tue Apr 21 2026 |  |
Rest Of Tonight: Mostly clear. Near steady temperature in the upper 40s. South winds around 10 mph. Tuesday: Mostly sunny. Highs in the lower 70s. South winds 10 to 15 mph, becoming west in the afternoon. Tuesday Night: Partly cloudy. Lows in the upper 40s. South winds 10 to 15 mph with gusts up to 25 mph. Wednesday: Partly cloudy in the morning, then clearing. Windy with highs in the lower 60s. Southwest winds 20 to 30 mph with gusts up to 50 mph. Wednesday Night: Partly cloudy. A slight chance of snow showers after midnight. Windy with lows in the lower 30s. Southwest winds 25 to 35 mph with gusts up to 55 mph. Chance of snow 20 percent. Thursday: Partly cloudy with a chance of snow showers in the morning, then mostly cloudy with snow showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Windy with highs in the mid 40s. Chance of snow 60 percent. Thursday Night: A slight chance of thunderstorms in the evening. Snow showers likely. Light snow accumulation possible. Lows in the lower 20s. Chance of snow 70 percent. Friday: Snow showers in the morning, then snow showers likely with a slight chance of thunderstorms in the afternoon. New light snow accumulation. Highs in the mid 30s. Chance of snow 80 percent. Friday Night: Mostly cloudy in the evening, then becoming partly cloudy. A 40 percent chance of snow showers. Cold with lows 15 to 21. Saturday: Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs around 40. Chance of snow 30 percent. Saturday Night: Partly cloudy with a 30 percent chance of snow showers. Lows in the mid 20s. Sunday: Mostly cloudy with a chance of snow showers. A slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the lower 40s. Chance of snow 50 percent. Sunday Night: Mostly cloudy. A chance of snow showers, mainly in the evening. Lows in the upper 20s. Chance of snow 30 percent. Monday: Mostly cloudy with a slight chance of snow showers in the morning, then partly cloudy with a chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 40s. Chance of snow 30 percent. | |
| Zone Forecast: Casper Mountain | |
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