RIVERTON, Wyo. – Drivers in central Wyoming should watch for patchy fog around Riverton through midmorning Wednesday before sunshine takes over with highs in the mid-70s. The National Weather Service expects the fog to clear by 9 a.m., leaving behind a stretch of dry, stable weather.
According to the Riverton office of the National Weather Service, skies will stay mostly clear through Sunday with afternoon highs climbing near 80°F from Thursday through Saturday. Winds remain light and variable during the day, though evenings may bring breezes out of the southwest at 5 to 8 mph.
The clearest impacts will be for commuters along U.S. Highway 26 and Wyoming Highway 789, where reduced visibility during the early hours may slow travel. Once the fog burns off, conditions should be favorable for outdoor plans, ranch work, and late-season field harvests. Nights will cool quickly into the low-40s, keeping mornings crisp.
The weekend outlook shows little change, with Saturday and Sunday both sunny and highs again near 80°F. No significant storm systems are expected in central Wyoming through early next week, though forecasters note cooler nights could produce patchy valley fog at times.
Five Day Forecast for Riverton, WY
- Wednesday: Patchy fog early, then sunny. High 75°F. Low 43°F.
- Thursday: Sunny. High 81°F. Low 43°F.
- Friday: Sunny, calm winds. High 80°F. Low 42°F.
- Saturday: Sunny, light winds. High 80°F. Low 45°F.
- Sunday: Mostly sunny. High 80°F. Low 47°F.
