RIVERTON, Wyo. – Drivers in northern Johnson County should brace for powerful gusts Thursday, with winds up to 45 mph threatening travel safety. The National Weather Service warns of elevated fire danger through the afternoon as dry air and strong winds combine east of the Continental Divide.
According to the NWS Riverton office, a high wind warning remains in effect for northern Johnson County from 10 a.m. to 6 p.m. Thursday. Areas along Interstate 25 and U.S. Highway 20 may see difficult driving conditions for high-profile vehicles, with the strongest winds expected in open stretches of northern Wyoming.
Beyond Thursday, calmer conditions arrive Friday with sunshine and highs in the 70s. By Saturday, breezes return, and attention shifts to growing thunderstorm chances. Meteorologists highlight Sunday as the most active day, with storms capable of producing brief downpours, lightning, and gusty winds.
Residents should secure outdoor items, avoid burning, and plan travel carefully during today’s wind event. Fire crews caution that even small sparks can spread rapidly in dry grasses. Drivers crossing exposed roads should reduce speed and keep both hands on the wheel.
Looking ahead, Wyoming sees a mix of fall sunshine and unsettled weather. While the weekend starts quiet, storms may linger into early next week. More advisories could follow as the active pattern develops.
Five Day Forecast for Riverton, WY
- Thursday: Breezy, smoky, high near 86. Gusts up to 31 mph.
- Friday: Mostly sunny, high near 73. Winds easing.
- Saturday: Sunny, high near 79. Calm early, breezy late.
- Sunday: Mostly sunny with a chance of afternoon storms. High near 84.
- Monday: Mostly sunny, high near 85. Small storm chances at night.
