Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
749 PM MST Thu Jan 22 2026
MTZ029-030-034-036-042-057-058-063-138-141-169-170-172-173-228-235-
WYZ199-240000-
/O.CON.KBYZ.WW.Y.0002.000000T0000Z-260124T0000Z/
Musselshell-Treasure-Northern Stillwater-Powder River-Golden
Valley-Northern Big Horn-Southern Rosebud-Judith Gap-Southern Big
Horn-Northern Sweet Grass-Bighorn Canyon-Northern Carbon-Melville
Foothills-Northeastern Yellowstone-Southern Wheatland-
Southwestern Yellowstone-Sheridan Foothills-
Including the locations of Harlowton, Lavina, Broadus, Shawmut,
Billings, Sonnette, Columbus, Ashland, Fromberg, Custer, Big Horn,
Powderville, Reed Point, Roundup, Birney, Sheridan, Judith Gap,
Pompeys Pillar, Park City, Ryegate, Absarokee, Wyola, Melville,
Broadview, Twodot, Fort Smith, Clearmont, Hysham, Lame Deer, Crow
Agency, Lodge Grass, Joliet, Melstone, Hardin, Dayton, Big Timber,
Musselshell, Bighorn, Ranchester, Laurel, Rapelje, Pryor, Biddle,
Huntley, and Busby
749 PM MST Thu Jan 22 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY...
* WHAT...Occasional light snow expected. Total snow accumulations of
an inch or two.
* WHERE...Portions of central, south central, and southeast Montana
and north central Wyoming.
* WHEN...Until 5 PM MST Friday.
* IMPACTS...Plan on slick roads and areas of poor visibility.
Hazardous conditions will impact the Friday morning commute.
* ADDITIONAL DETAILS...Wind chills will fall to 10 below to 25 below
zero tonight. Be sure that kids waiting for the school bus Friday
morning are dressed appropriately for the bitter cold.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.
&&
$$
Additional graphics for this hazard can be found at
http://www.weather.gov/billings
Palmquist
Cold Weather Advisory
URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
252 PM MST Thu Jan 22 2026
MTZ305-306-311-231300-
/O.CON.KTFX.CW.Y.0001.260123T0000Z-260123T1700Z/
Hill County-Northern Blaine County-Bears Paw Mountains and
Southern Blaine-
Including the following locations: Havre, Fort Belknap, Chinook,
Rocky Boy, Hogeland, Harlem, and Zurich
252 PM MST Thu Jan 22 2026
...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST FRIDAY...
* WHAT...Very cold wind chills as low as 35 below expected.
* WHERE...Bears Paw Mountains and Southern Blaine, Hill County, and
Northern Blaine County.
* WHEN...Until 10 AM MST Friday.
* IMPACTS...The dangerously cold wind chills as low as 35 below zero
could cause frostbite on exposed skin in as little as 10 minutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.
&&
$$
Ludwig
Air Stagnation Advisory
URGENT - WEATHER MESSAGE
National Weather Service Boise ID
135 PM MST Thu Jan 22 2026
IDZ011>014-016-028-033-ORZ061>064-231200-
/O.CON.KBOI.AS.Y.0001.000000T0000Z-260123T1200Z/
West Central Mountains-Lower Treasure Valley-Boise Mountains-
Upper Treasure Valley-Western Magic Valley-Camas Prairie-Upper
Weiser River-Harney County-Baker County-Malheur County-Oregon
Lower Treasure Valley-
Including the cities of Burns, Malheur City, Bear, Corral, Crane,
Hill City, Boise, Fairfield, Glendale, Goodrich, Nampa, Ola,
Prairie, Cascade, Cuprum, Fruitvale, Blaine, Caldwell, Twin
Falls, Anderson Dam, Council, McCall, Pine, Mesa, Baker,
Buchanan, Venator, Soldier, Ontario, New Princeton, Warm Lake,
Cambridge, Diamond, Nyssa, Selby, Big Creek, Dunnean, and Indian
Valley
135 PM MST Thu Jan 22 2026 /1235 PM PST Thu Jan 22 2026/
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ FRIDAY...
* WHAT...An extended period of stagnant air, with light winds and
little vertical mixing. This is due to an inversion near the
surface that will continue to trap pollutants.
* WHERE...Portions of south central and southwest Idaho and
northeast and southeast Oregon.
* WHEN...Until 5 AM MST /4 AM PST/ Friday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with respiratory illness should follow their physicians
advice for dealing with high levels of air pollution during periods
of stagnant air.
&&
$$
LC
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Riverton WY
252 AM MST Thu Jan 22 2026
WYZ001>020-022>030-231400-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
252 AM MST Thu Jan 22 2026
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and tonight
Light snow spreading East of the Divide tonight along with much
colder temperatures.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday through Saturday night...Some of the coldest temperatures
in several weeks for many locations.
Saturday night and Sunday...Another chance for light snow East of
the Divide.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
