| NWS Forecast for: Casper Mountain Issued by: National Weather Service Riverton, WY Last Update: 102 PM MST Sun Feb 22 2026 | |
| This Afternoon: Sunny. Highs in the upper 30s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Tonight: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 20s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Monday: Mostly sunny and breezy. Highs in the mid 40s. Southwest winds 15 to 20 mph with gusts up to 40 mph. Monday Night: Mostly cloudy and breezy. Lows in the lower 30s. Southwest winds 15 to 25 mph with gusts up to 45 mph. Tuesday: Cloudy, breezy with highs in the mid 40s. West winds 20 to 25 mph with gusts up to 45 mph. Tuesday Night: Mostly cloudy. A slight chance of. Windy with lows in the mid 30s. Wednesday: Partly cloudy. A chance of snow and rain showers in the morning, then snow showers likely in the afternoon. Little or no snow accumulation. Windy with highs in the mid 40s. Chance of precipitation 60 percent. Wednesday Night: Mostly clear. A slight chance of snow showers in the evening. Windy with lows in the lower 20s. Chance of snow 20 percent. Thursday: Mostly sunny and windy. Highs in the lower 40s. Thursday Night: Mostly clear and windy. Lows in the mid 20s. Friday: Mostly sunny and windy. Highs in the mid 40s. Friday Night: Mostly clear with a 20 percent chance of snow showers. Windy with lows in the lower 20s. Saturday: Partly cloudy with a 20 percent chance of snow showers. Breezy with highs in the lower 40s. | |
| Zone Forecast: Casper Mountain | |
Visit your local NWS office at: https://www.weather.gov/riw |