| NWS Forecast for: Casper Mountain Issued by: National Weather Service Riverton, WY Last Update: 516 PM MDT Thu Jun 4 2026 | |
| Tonight: Partly cloudy this evening, then clearing. Breezy with lows in the upper 40s. North winds 15 to 20 mph with gusts up to 30 mph, becoming northeast 10 to 15 mph after midnight. Friday: Mostly sunny. Highs in the upper 70s. South winds around 10 mph, becoming west with gusts up to 25 mph in the afternoon. Friday Night: Mostly clear. Lows in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 30 mph, becoming south after midnight. Saturday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Saturday Night: Partly cloudy in the evening, then clearing. Lows in the mid 50s. South winds 10 to 15 mph with gusts up to 30 mph. Sunday: Partly cloudy and breezy. Highs in the upper 70s. Sunday Night: Partly cloudy in the evening, then clearing. Lows in the upper 40s. Monday: Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 70s. Monday Night: Partly cloudy in the evening, then clearing. Breezy with lows in the lower 50s. Tuesday: Mostly sunny and breezy. Highs around 80. Tuesday Night: Partly cloudy in the evening, then clearing. Breezy with lows in the lower 50s. Wednesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Breezy with highs in the upper 70s. Chance of rain 20 percent. Wednesday Night: Mostly clear and breezy. Lows in the upper 40s. Thursday: Mostly sunny. A slight chance of. Breezy with highs in the lower 70s. | |
| Zone Forecast: Casper Mountain | |
Visit your local NWS office at: https://www.weather.gov/riw |