| NWS Forecast for: Casper Mountain Issued by: National Weather Service Riverton, WY Last Update: 247 PM MDT Mon Sep 7 2026 | |
| This Afternoon: Mostly sunny and breezy. Near steady temperature in the lower 70s. West winds 20 to 25 mph with gusts up to 40 mph. Tonight: Mostly clear and breezy. Lows around 50. West winds 15 to 20 mph with gusts up to 35 mph, becoming southwest around 10 mph after midnight. Tuesday: Sunny, breezy with highs in the lower 70s. Southwest winds 15 to 20 mph. Gusts up to 40 mph in the afternoon. Tuesday Night: Mostly clear and breezy. Lows in the lower 40s. West winds 15 to 20 mph with gusts up to 35 mph, becoming northeast around 10 mph with gusts up to 20 mph after midnight. Wednesday: Mostly sunny. Highs in the lower 70s. South winds around 10 mph, becoming west with gusts up to 25 mph in the afternoon. Wednesday Night: Mostly clear. Lows in the upper 40s. Thursday: Sunny, breezy with highs in the mid 70s. Thursday Night: Mostly clear. Lows in the mid 50s. Friday: Mostly sunny and breezy. Highs in the mid 70s. Friday Night: Partly cloudy in the evening, then clearing. Lows in the upper 40s. Saturday: Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 30 percent. Saturday Night: A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the upper 40s. Chance of rain 40 percent. Sunday: Partly cloudy with a slight chance of showers in the morning, then mostly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. | |
| Zone Forecast: Casper Mountain | |
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