A low pressure system will approach western portions of the state later today and tonight. Clouds will thicken and then snow showers will develop later in the day. Scattered snow showers are expected in the western mountains by the late afternoon/early evening hours. Expect a small chance for light snow throughout the lower elevations of southwestern Wyoming later tonight into early Tuesday morning. The mountains and mountain passes will likely see slick, icy, possibly snowy roads, while there could be some slick and icy spots over lower terrain areas. Meanwhile, higher pressure builds over the rest of the state today, which will keep skies mostly sunny and conditions mainly dry. Winds, however, will increase and become strong by later this evening and overnight. Watch out for wind gusts between 35 and 50 mph across central and eastern Wyoming. There will also be some higher gusting (50 to 55 mph) along I-80 between Rawlins and Arlington. Temperatures throughout the state of Wyoming will be unseasonably mild today, with highs in the 40’s and 50’s. Some lower 60’s will also be possible across the far eastern plains.
A low pressure system and cold front will continue to move across the state of Wyoming on Tuesday and will intensify over southeastern Wyoming/northern Colorado on Tuesday night. Light snow is expected throughout western, central, and northern Wyoming during the day. There will be some areas of lowered visibility along with slick and icy roads. For southeastern Wyoming, expect only a small chance for rain during the day. Strong winds are likely during the morning hours, with gusts between 35 and 50 mph. Winds will lessen briefly during the afternoon hours and will then become strong again during the evening and overnight hours. Temperatures will be noticeably colder across western and central Wyoming, while warmer than normal temperatures continue in eastern Wyoming. Rain will mix with and turn to snow across the southeast corner during the evening hours. Light to moderate snowfall, blowing snow, and significant travel concerns are expected Tuesday night into Wednesday morning for southeastern and south-central Wyoming. Elsewhere, expect a smaller chance for snow with lingering slick and icy roads.
High winds (50 to 60 mph) are likely for central and southern Wyoming on Wednesday, which will continue to create hazardous driving conditions (poor visibility and slick, icy roads due to blowing snow). Elsewhere, expect improving weather and travel conditions.