RIVERTON, Wyo. – Wyoming’s fall pattern turns active again this weekend as gusty winds and light mountain snow brush the region Sunday before calmer, sunny days return early next week. The state’s western ranges could see brief wintry weather while the valleys stay mostly dry and breezy.
According to the National Weather Service in Riverton, a weak front will cross western and central Wyoming on Sunday, bringing a 20% chance of rain and snow mainly across the Wind River and Absaroka Mountains. Gusts may reach 30 mph across Fremont and Natrona counties, creating difficult conditions for high-profile vehicles along U.S. 26 and I-25 between Casper and Buffalo. Drivers are advised to watch for blowing dust in open areas and reduced visibility near mountain passes.
Temperatures will stay seasonable, reaching the upper 60s Sunday before dipping into the low 30s by Monday morning. Monday remains breezy but drier, with winds turning northwest and highs around 55°F. A calmer, warmer trend then builds through midweek with abundant sunshine and highs near 60°F to 65°F from Tuesday through Thursday.
Though no major storms are on the horizon, the weekend system serves as a reminder that early-season snow can develop quickly in Wyoming’s high country. Outdoor enthusiasts should dress in layers and check local road conditions before heading into the mountains.
This is textbook October in the Cowboy State — brisk winds, chilly mornings, and brilliant blue skies waiting just beyond the next gust.
Five-Day Forecast for Riverton, WY:
Sat: 51/29 – Mostly sunny; slight rain-snow chance early.
Sun: 69/34 – Breezy; 20% chance of mountain rain or snow.
Mon: 55/24 – Sunny and cool; brisk northwest wind.
Tue: 59/29 – Clear skies; calm and pleasant.
Wed: 62/34 – Mostly sunny; mild fall day.
