Riverton, Wyoming – A midweek storm pattern could bring afternoon thunderstorms and gusty winds to central Wyoming by Wednesday, affecting travel near Riverton and along U.S. Highway 789.
According to the National Weather Service in Riverton, a 50% chance of rain and thunder will develop after 3 p.m. Wednesday, especially in areas east of the Continental Divide. Winds will shift northwest by evening, with gusts up to 30 mph possible.
Wednesday’s high will reach 72°F before dropping into the upper 40s overnight. Bighorn Basin, Wind River Range, and Natrona County may experience localized downpours and lightning. Outdoor activities and afternoon travel could be disrupted—residents should secure loose items and avoid exposed ridgelines or open fields.
Thursday will bring calmer skies and warmer temperatures, with highs climbing to 81°F under sunny conditions. By Friday, a slight chance of afternoon showers returns, followed by continued warming through the weekend.
5-Day Riverton Weather Outlook:
- Wednesday (May 28): 50% chance of thunderstorms after 3 p.m., high near 72°F.
- Thursday: Sunny and dry, high around 81°F.
- Friday: Mostly sunny with a 20% rain chance in the afternoon, high near 83°F.
- Saturday: Mostly clear and warmer, high around 84°F.
- Sunday: Sunny and steady, high near 86°F.
