Winter Weather Advisory: Snow to Impact Teton and Gros Ventre Mountains Wednesday Night

JACKSON, WY — The National Weather Service has issued a Winter Weather Advisory for western Wyoming, in effect from 6:00 p.m. Wednesday, Oct. 15 through 11:00 p.m. Thursday, Oct. 16.

Forecasters are calling for the season’s first significant snowfall across higher elevations of the Teton and Gros Ventre Mountains and the Salt River and Wyoming Ranges.

Forecast Details

Snow Accumulations:
• 1–4 inches between 7,500 and 9,000 feet
• 5–10 inches possible in higher terrain, including Teton Pass and Togwotee Pass
Timing: Wednesday evening through Thursday night
Impacts: Slippery travel conditions are expected over mountain passes. Backcountry users and hunters should be prepared for wintry conditions and rapidly changing weather.

Travel & Safety

Drivers are advised to slow down and use caution over high-elevation roads, especially early Thursday morning when snow and ice may be present.
Check the latest road conditions and webcams through WYDOT at wyoroad.info.

More Information

For snowfall maps and detailed forecasts from the National Weather Service Riverton office, visit weather.gov/riw/winter.

Antlers Arch reminder: Yes, it’s mid-October. Yes, it’s time to find that ice scraper again. Welcome to winter in Jackson Hole. She’s punctual, dramatic, and always ready to ruin your fall hiking plans.