| NWS Forecast for: Casper Mountain Issued by: National Weather Service Riverton, WY Last Update: 417 AM MDT Wed Apr 15 2026 | |
Rest Of Tonight: Clear, breezy. Near steady temperature in the lower 30s. Southwest winds 15 to 20 mph with gusts up to 35 mph. Wednesday: Mostly sunny and windy. Highs in the mid 50s. Southwest winds 20 to 30 mph with gusts up to 45 mph. Wednesday Night: Mostly clear and windy. Lows in the upper 30s. Southwest winds 20 to 30 mph with gusts up to 45 mph. Thursday: Mostly sunny in the morning, then partly cloudy with numerous rain showers, snow showers with isolated thunderstorms in the afternoon. Little or no snow accumulation. Windy with highs in the upper 50s. Southwest winds 20 to 30 mph with gusts up to 45 mph. Chance of precipitation 60 percent. Thursday Night: Rain showers in the evening. Snow showers. Light snow accumulation. Breezy, colder with lows 17 to 23. Northwest winds 15 to 20 mph with gusts up to 40 mph, becoming north 10 to 15 mph with gusts up to 30 mph after midnight. Chance of precipitation 90 percent. Friday: Snow showers. New moderate snow accumulation. Much cooler with highs in the upper 20s. Chance of snow 90 percent. Friday Night: Partly cloudy. A chance of snow showers in the evening. Cold with lows 10 to 20. Chance of snow 30 percent. Saturday: Mostly sunny and breezy. Highs in the upper 30s. Saturday Night: Mostly clear. Lows in the mid 20s. Sunday: Mostly sunny and breezy. Highs in the lower 50s. Sunday Night: Partly cloudy in the evening, then clearing. Lows in the mid 30s. Monday: Mostly sunny and breezy. Highs in the lower 60s. Monday Night: Partly cloudy in the evening, then clearing. Lows in the upper 30s. Tuesday: Mostly sunny. A slight chance of showers in the afternoon. Breezy with highs in the mid 60s. Chance of rain 20 percent. | |
| Zone Forecast: Casper Mountain | |
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