Air Stagnation Advisory issued January 27 at 2:12AM 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...Until 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
Cold Weather Advisory issued January 27 at 2:12AM MST until January 29 at 8:00AM MST by NWS Boise ID
* WHAT...Very cold wind chills as low as 29 below. * WHERE...Camas Prairie. * WHEN...Until 8 AM MST Wednesday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes.
Extreme Cold Warning issued January 27 at 1:30AM MST until January 27 at 9:00AM 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 9 AM MST this morning. * IMPACTS...The dangerously cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes.
Winter Weather Advisory issued January 26 at 1:27PM MST until January 28 at 12:00AM MST by NWS Flagstaff AZ
* WHAT...Snow expected above 5000 feet. Snow showers will develop early Monday morning. Snow showers will intensify rapidly during the early afternoon and evening, before tapering off after Midnight MST. Expect general accumulations of 3 to 5 inches, with locally higher amounts. * WHERE...Coconino Plateau and Grand Canyon Country. * WHEN...From 5 AM Monday to midnight MST Monday Night. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Periods of moderate to heavy snowfall will create snow-covered roads and hazardous driving conditions. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...Forecast
Winter Weather Advisory issued January 27 at 2:57AM MST until January 28 at 12:00AM MST by NWS Flagstaff AZ
* WHAT...Snow showers will begin to increase after sunrise this morning. Snow showers will become more widespread and increase in intensity this afternoon, before tapering off later this evening. * WHERE...Coconino Plateau, Grand Canyon Country, and Yavapai County Mountains. * WHEN...From 8 AM this morning to Midnight MST tonight. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Periods of moderate to heavy snowfall will create snow-covered roads and hazardous driving conditions. The hazardous conditions could impact the Monday evening commute. * ADDITIONAL DETAILS...Forecast snowfall amounts from 8 AM MST Today to midnight MST Tuesday... GCNP
Winter Weather Advisory issued January 26 at 4:32AM MST until January 26 at 5:00AM MST by NWS Cheyenne WY
Majority of snow has ended, however patchy blowing snow is expected to continue for the next few hours.
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.