Riverton, WY – A stretch of warm, breezy fall weather will give way to a stormy weekend across central Wyoming, bringing widespread showers and a risk of thunderstorms.
According to the National Weather Service office in Riverton, Friday will remain sunny and mild with highs near 83 degrees, but strong southwest winds may gust up to 24 mph. By late Friday night, a 20 percent chance of showers develops, signaling the shift to an unsettled weekend.
Rain becomes widespread on Saturday with an 80 percent chance of showers and a possible afternoon thunderstorm. Highs will hold near 69, but gusts could reach 21 mph, raising concerns for travel on I-25, US-26, and local county roads. Showers and storms are expected to persist into Saturday night, followed by lingering rain chances into Sunday with cooler highs in the 50s.
The unsettled pattern may impact outdoor events, ranching operations, and early-season fieldwork. Officials urge drivers to watch for slick roads and reduced visibility during downpours. Campers and hikers in the Wind River Range should prepare for wet conditions and rapidly changing weather.
By Monday, conditions are expected to improve with partly sunny skies and highs returning to the mid-50s. Residents are advised to charge devices, secure loose outdoor items, and keep rain gear handy through the weekend.
Five-Day Forecast for Riverton, WY:
Fri: 83/45 – Sunny, breezy south winds gusting near 24 mph.
Sat: 69/41 – Showers, possible thunder; gusty south winds.
Sun: 52/35 – Cloudy, showers likely; breezy northeast winds.
Mon: 54/32 – Partly sunny, cooler, drying trend.
Tue: 68/36 – Sunny and calmer; pleasant fall afternoon.
