* WHAT...West winds 20 to 30 mph with gusts up to 58 mph possible. * WHERE...Bordeaux area along Interstate 25…
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion…
* WHAT...Very cold wind chills as low as 28 below. * WHERE...Camas Prairie. * WHEN...Until 8 AM MST Tuesday. *…
* WHAT...Dangerously cold wind chills as low as 25 below. * WHERE...Arco/Mud Lake Desert and Upper Snake River Plain. *…
* WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Eastern Lemhi County. * WHEN...From 5 PM this…
* WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Rabbit Ears Pass, and Rocky Mountain National Park and the…
* WHAT...Snow. Additional snow accumulations up to two inches. * WHERE...Upper Yampa River Basin. * WHEN...Until 5 AM MST Sunday.…
* WHAT...Very cold temperatures as low as 35 below. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until…
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Canyon Ferry Area and Helena Valley. * WHEN...Until 11…
* WHAT...Snow showers will develop early Monday morning, especially west of Flagstaff. Snow showers will intensify rapidly during the afternoon…
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