High Wind Watch issued January 26 at 1:30AM MST until January 27 at 2:00PM MST by NWS Cheyenne WY
* WHAT...West winds 20 to 30 mph with gusts up to 58 mph possible. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...From this evening through Monday afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. In addition, areas of blowing snow could lead to reduced visibility, even whiteout conditions, and slick roads.
Air Stagnation Advisory issued January 26 at 1:30AM MST until January 31 at 9:00AM MST by NWS Boise ID
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that can trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...From 11 AM MST /10 AM PST/ this morning to 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
Cold Weather Advisory issued January 26 at 1:30AM MST until January 28 at 8:00AM MST by NWS Boise ID
* WHAT...Very cold wind chills as low as 28 below. * WHERE...Camas Prairie. * WHEN...Until 8 AM MST Tuesday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...The coldest periods will be 4 AM to 8 AM each morning.
Extreme Cold Warning issued January 26 at 1:30AM MST until January 26 at 10:00AM MST by NWS Pocatello ID
* WHAT...Dangerously cold wind chills as low as 25 below. * WHERE...Arco/Mud Lake Desert and Upper Snake River Plain. * WHEN...Until 10 AM MST this morning. * IMPACTS...The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes.
Air Stagnation Advisory issued January 25 at 9:43AM MST until January 31 at 5:00AM MST by NWS Missoula MT
* WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Eastern Lemhi County. * WHEN...From 5 PM this afternoon to 5 AM MST Friday. * IMPACTS...Periods of air stagnation can lead to the build up of pollutants near the surface.
Winter Weather Advisory issued January 25 at 11:36PM MST until January 26 at 5:00AM MST by NWS Denver CO
* WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Rabbit Ears Pass, and Rocky Mountain National Park and the Medicine Bow Range. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Travel will be hazardous due to snow covered and slick roads.
Winter Weather Advisory issued January 25 at 2:22PM MST until January 26 at 5:00AM MST by NWS Grand Junction CO
* WHAT...Snow. Additional snow accumulations up to two inches. * WHERE...Upper Yampa River Basin. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.
Cold Weather Advisory issued January 26 at 3:08AM MST until January 26 at 11:00AM MST by NWS Great Falls MT
* WHAT...Very cold temperatures as low as 35 below. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 11 AM MST this morning. * IMPACTS...These cold wind chill temperatures could cause frostbite on exposed skin in as little as 30 minutes.
Dense Fog Advisory issued January 26 at 3:08AM MST until January 26 at 11:00AM MST by NWS Great Falls MT
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Canyon Ferry Area and Helena Valley. * WHEN...Until 11 AM MST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
Winter Weather Advisory issued January 26 at 2:15AM MST until January 28 at 12:00AM MST by NWS Flagstaff AZ
* WHAT...Snow showers will develop early Monday morning, especially west of Flagstaff. Snow showers will intensify rapidly during the afternoon and early evening, before tapering off after Midnight MST. Expect general accumulations of 2 to 4 inches from Munds Park to Flagstaff, with higher amounts heading westward along I-40. * WHERE...Western Mogollon Rim. * WHEN...From 5 AM Monday to Midnight MST Monday Night. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Even light snowfall amounts can create hazardous driving conditions due to slippery, snow-covered roads. The hazardous conditions could impact the Monday morning and evening