Winter Weather Advisory

...SEASON'S FIRST WINTER STORM TO IMPACT THE SIERRA MADRE, SNOWY, AND SOUTHERN LARAMIE RANGES...

.An upper level system will drift eastward and produce accumulating snow at elevations above 7000 feet through Thursday evening. Favorable upslope flow from the north to northeast at the Snowy Ranges are forecasted to produce snow accumulations of 6 to 12 inches through Thursday evening. As the system center moves east, winds shift out of a more northerly direction favorable for snow on the Sierra Madre Ranges starting overnight Wednesday. Snow levels are expected to reach the I-80 Summit of the Southern Laramie Ranges early Wednesday morning. Locally heavier snow totals are possible in the advisory zones.

* WHAT...Snow expected. Total snow accumulations between 3 and 6 inches, mainly above 7000 ft in elevation. Winds gusting as high as 35 mph.

* WHERE...South Laramie Range including the Interstate 80 Summit between Cheyenne and Laramie, and North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80.

* WHEN...From 6 PM this evening to noon MDT Thursday.

* IMPACTS...Travel could be difficult. Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions.