| NWS Forecast for: Casper Mountain Issued by: National Weather Service Riverton, WY Last Update: 802 AM MDT Thu Jul 23 2026 |  |
| Today: Showers likely with a slight chance of thunderstorms this morning, then showers with a chance of thunderstorms this afternoon. Highs in the mid 70s. West winds around 10 mph, becoming northwest this afternoon. Chance of rain 80 percent. Tonight: Mostly clear. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 30 percent. Friday: Sunny. Highs in the lower 80s. West winds around 10 mph with gusts up to 20 mph. Friday Night: Mostly clear. Lows in the lower 60s. South winds around 10 mph after midnight. Saturday: Mostly sunny. Highs in the upper 80s. South winds around 10 mph, becoming west in the afternoon. Gusts up to 25 mph. Saturday Night: Partly cloudy in the evening, then clearing. Lows in the lower 60s. Sunday: Mostly sunny. Highs in the mid 80s. Sunday Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 20 percent. Monday: Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. Monday Night: Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 30 percent. Tuesday: Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. Tuesday Night: Partly cloudy. A chance of showers and thunderstorms in the evening. Lows around 60. Chance of rain 40 percent. Wednesday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. | |
| Zone Forecast: Casper Mountain | |
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