Weather Alerts For Grover, WY

URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 124 AM MST Thu Dec 18 2025 Jackson Hole-Star Valley- Including the cities of Star Valley Ranch, Alpine, Jackson, Afton, and Thayne 124 AM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 8 inches with locally higher amounts of 10 to 14 inches in the higher elevations and along the foothills. Winds gusting as high as 45 mph at times. * WHERE...Jackson Hole and Star Valley. * WHEN...From 11 AM this morning to 5 AM MST Saturday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday evening and Friday morning as well as evening commutes. * ADDITIONAL DETAILS...Temperatures may warm above freezing during the daytime Friday which would lead to a possible transition over to a mix of rain/snow or heavy wet snow. Accumulations may be limited during this time but slick conditions could still be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . &&