* WHAT...For the first Winter Weather Advisory, an additional 2 inches of snow is possible. For the second Winter Weather Advisory, expected snow accumulations between 6 and 10 inches. Locally higher amounts are possible at the peaks. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...For the first Winter Weather Advisory, until 6 AM MDT early this morning. For the second Winter Weather Advisory, from 3 PM this afternoon to 3 PM MDT Tuesday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters, hikers, and snowmobilers may become disoriented and lost due to low visibility in falling and blowing snow. * ADDITIONAL DETAILS...A break in snowfall is expected through the morning with another wave of snowfall this afternoon through 3 PM Tuesday. Therefore, a separate Winter Weather Advisory will go into effect.

Patchy, dense fog is ongoing across Laramie County tonight with visibilities at and below one half mile along Interstate 80 from mile marker 355 to mile marker 380. Patchy dense fog is also ongoing along Interstate 25 from mile marker 5 to mile marker 35. Fog may slowly spread eastward overnight. Patchy, dense fog will continue into the morning hours with the potential for brief visibility improvements overnight. Motorists are urged to use caution while traveling along Interstate 80 and Interstate 25. Be prepared for sudden drops in visibility.