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A very cold airmass has settled across the state this morning. In addition, light winds across the Upper Green River Basin are making it feel even colder with wind chills dropping near 45 below in some cases.

Here are some of the coldest temperatures and wind chills from around the area this morning:

CLICK IMAGE TO ENLARGE  Map of the low tempeartures this morning

A milder airmass will be moving in tonight as ridging builds into the region. At the same time, the surface gradient will increase, increasing the wind speeds across the area and allowing some of the shallower valleys and wind prone areas to mix and warm. However, the deeper valleys and basins will form sharp inversions overnight as skies remain partly cloudy to clear. Winds will likely skip right off of the top of the inversions leading to large changes in temperatures over a small area as well as decreasing air quality. 

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