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
Winter Weather Advisory issued January 25 at 5:01AM MST until January 25 at 11:00PM MST by NWS Salt Lake City UT
* WHAT...Snow expected. Total snow accumulations 2 to 6 inches for the Park City and Heber Valley areas, up to 2 inches Wasatch Back north of I-80. * WHERE...Wasatch Back. * WHEN...Until 11 PM MST this evening. * IMPACTS...Winter driving conditions are expected.
Winter Weather Advisory issued January 24 at 1:51PM MST until January 26 at 5:00AM MST by NWS Cheyenne WY
* WHAT...Snow expected. Total snow accumulations between 6 and 12 inches. Winds gusting as high as 40 mph. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...From 5 PM this afternoon to 5 AM MST Sunday. * IMPACTS...Travel could be very difficult.
Winter Weather Advisory issued January 24 at 1:51PM MST until January 25 at 11:00PM MST by NWS Cheyenne WY
* WHAT...Snow expected. Total snow accumulations between 2 and 5 inches. Totals may approach 6 inches along the I-80 summit in the southern Laramie Range. Winds gusting as high as 40 mph possible near Arlington. * WHERE...Portions of south central and southeast Wyoming. * WHEN...From 5 PM this afternoon to 11 PM MST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute. Areas of blowing snow could reduce visibility and lead to slick road conditions across the I-80 corridor near Arlington.
Winter Weather Advisory issued January 24 at 8:30PM MST until January 25 at 11:00PM MST by NWS Salt Lake City UT
* WHAT...Snow expected. Total snow accumulations 2 to 6 inches, locally up to 8 inches on western and northern portions of the western Uinta Basin. * WHERE...Western Uinta Basin. * WHEN...Until 11 PM MST Saturday. * IMPACTS...Winter driving conditions are expected.