| NWS Forecast for: Casper Mountain Issued by: National Weather Service Riverton, WY Last Update: 202 PM MDT Tue Sep 8 2026 |  |
This Afternoon: Sunny, breezy with highs in the lower 70s. West winds 15 to 20 mph with gusts up to 30 mph. Tonight: Mostly clear. Lows in the lower 40s. West winds 10 to 15 mph, becoming north after midnight. Gusts up to 30 mph. Wednesday: Sunny. Highs in the lower 70s. Southwest winds around 10 mph, becoming west with gusts up to 25 mph in the afternoon. Wednesday Night: Mostly clear. Lows in the mid 40s. South winds 10 to 15 mph. Thursday: Sunny, breezy with highs in the mid 70s. Southwest winds 15 to 20 mph. Gusts up to 40 mph in the afternoon. Thursday Night: Mostly clear and breezy. Lows in the mid 50s. Friday: Partly cloudy and windy. Highs in the mid 70s. Friday Night: Partly cloudy in the evening, then clearing. Breezy with lows in the lower 40s. Saturday: Partly cloudy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. Saturday Night: Showers likely with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the upper 40s. Chance of rain 70 percent. Sunday: Partly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Breezy with highs in the upper 60s. Chance of rain 30 percent. Sunday Night: Partly cloudy. A chance of showers, mainly in the evening. Lows in the lower 40s. Chance of rain 30 percent. Monday: Partly cloudy in the morning, then clearing. Breezy with highs in the lower 60s. | |
| Zone Forecast: Casper Mountain | |
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