Riverton, WY – A cold front is sweeping across western and central Wyoming, bringing unsettled fall weather through Thursday. The National Weather Service in Riverton is forecasting scattered showers, isolated thunderstorms, and mountain snow as temperatures dip in the midweek. Rain chances will increase Tuesday night, spreading eastward into the Wind River Basin and nearby foothills by Wednesday afternoon.
According to meteorologists, western counties—including the Yellowstone and Absaroka regions—are expected to see the greatest coverage of showers and storms. Snow levels could fall as low as 7,000 feet by Wednesday night, with travelers heading over Togwotee and South Pass facing the risk of wet roads and slushy spots above timberline.
Weather Hazards for Travelers and Outdoor Enthusiasts
The unsettled weather will continue into Thursday, with temperatures cooling into the lower 50s across the region. Winds will be gusty, especially in the Wind River Basin, where gusts could approach 20 mph as the system exits. While lower elevations will likely experience rain, higher elevations in the Wind River and Bighorn Mountains may see light snow accumulation along higher ridges.
Drivers on U.S. 26 and WY-789 should expect reduced visibility in heavier showers and potentially slick conditions early Thursday morning. Ranchers and hunters in the mountains should be particularly cautious, staying alert to rapidly changing conditions. It is advisable to pack extra layers and emergency supplies for those venturing into the backcountry.
Clearing Skies and Weekend Forecast
The weather will start to clear late Thursday night, bringing much drier and brighter conditions for the weekend. As the system moves out of the area, daytime highs are expected to rebound into the upper 50s to low 60s by Saturday under full sunshine. Saturday and Sunday will feature clear skies and calm conditions, making for a perfect weekend to enjoy the outdoors.
Five-Day Forecast for Riverton, WY:
- Tuesday: 61/38 – Patchy fog early; clearing and mild throughout the day.
- Wednesday: 65/35 – Scattered showers, isolated thunderstorms; breezy late afternoon.
- Thursday: 52/33 – Showers continue, cooler temperatures, mountain snow likely.
- Friday: 60/32 – Mostly sunny, light breeze.
- Saturday: 61/31 – Sunny and calm, warmer afternoon.
Advice for the Week Ahead
- Be prepared for changing conditions, especially if you’re planning outdoor activities.
- Dress in layers as temperatures will fluctuate, particularly with cooler weather expected in the mountains.
- Motorists should be mindful of possible slick roads, especially at higher elevations, and plan for reduced visibility in heavy rain.
As the weather system clears out, expect calmer conditions for the weekend with temperatures reaching more comfortable levels. It looks like a beautiful, sunny stretch ahead for Riverton after the unsettled weather midweek.
Call to Action
How are you preparing for this fall weather? Share your thoughts and weather tips in the comments below.
