| NWS Forecast for: Casper Mountain Issued by: National Weather Service Riverton, WY Last Update: 223 PM MDT Tue Jul 21 2026 | |
This Afternoon: Numerous showers and scattered thunderstorms. Patchy smoke. Some thunderstorms may produce heavy rainfall. Breezy with highs in the lower 80s. Southeast winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 60 percent. Tonight: Mostly cloudy. Scattered showers with isolated thunderstorms in the evening. Some thunderstorms may produce heavy rainfall in the evening. Breezy with lows around 60. Southeast winds 15 to 20 mph with gusts up to 35 mph, becoming south around 10 mph with gusts up to 20 mph after midnight. Chance of rain 30 percent. Wednesday: Partly cloudy in the morning, then mostly sunny with scattered showers and thunderstorms in the afternoon. Patchy smoke. Some thunderstorms may produce heavy rainfall in the afternoon. Highs around 80. West winds around 10 mph, becoming north in the afternoon. Chance of rain 30 percent. Wednesday Night: Showers and scattered thunderstorms in the evening, then numerous showers with isolated thunderstorms after midnight. Some thunderstorms may produce heavy rainfall in the evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph in the evening. Chance of rain 80 percent. Thursday: Mostly cloudy with showers likely with a slight chance of thunderstorms in the morning, then partly cloudy with showers with a chance of thunderstorms in the afternoon. Highs in the mid 70s. West winds around 10 mph, becoming northwest in the afternoon. Chance of rain 80 percent. Thursday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 50s. Chance of rain 20 percent. Friday: Sunny. Highs in the lower 80s. Friday Night: Mostly clear. Lows in the lower 60s. Saturday: Mostly sunny. A slight chance of. Highs in the mid 80s. Saturday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 60s. Chance of rain 20 percent. Sunday: Mostly sunny. A slight chance of. Highs in the mid 80s. Sunday Night: Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the lower 60s. Chance of rain 30 percent. Monday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. | |
| Zone Forecast: Casper Mountain | |
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