Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
118 PM MST Thu Jan 1 2026
...SNOW AND WINTRY MIX FOR THURSDAY NIGHT INTO FRIDAY...
.This set of Winter Weather Advisories has been issued due to
concerns for mixed precipitation types given the recent colder
weather and subsequently cold road temperatures. Do not expect
significant or major accumulations amounts of ice and/or snow. Rain
or wet snow falling on frozen surfaces can easily become very slick
and exacerbated by compaction and/or frictional heating from tires
on roadways.
IDZ006-021900-
/O.NEW.KMSO.WW.Y.0001.260102T0000Z-260102T1900Z/
Southern Clearwater Mountains-
1218 PM PST Thu Jan 1 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 11
AM PST FRIDAY...
* WHAT...Mixed precipitation expected. There is a likelihood of
minor to moderate winter weather impacts. Total snow accumulations
up to two inches and ice accumulations up to five-hundredths of an
inch.
* WHERE...Highway 12 Lowell to Lolo Pass, Elk City, and Dixie.
* WHEN...From 4 PM this afternoon to 11 AM PST Friday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday evening and Friday morning
commutes, especially over higher passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
118 PM MST Thu Jan 1 2026
...SNOW AND WINTRY MIX FOR THURSDAY NIGHT INTO FRIDAY...
.This set of Winter Weather Advisories has been issued due to
concerns for mixed precipitation types given the recent colder
weather and subsequently cold road temperatures. Do not expect
significant or major accumulations amounts of ice and/or snow. Rain
or wet snow falling on frozen surfaces can easily become very slick
and exacerbated by compaction and/or frictional heating from tires
on roadways.
IDZ009-010-021900-
/O.NEW.KMSO.WW.Y.0001.260101T2200Z-260102T1900Z/
Western Lemhi County-Eastern Lemhi County-
118 PM MST Thu Jan 1 2026
...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MST FRIDAY...
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations up to three
inches, up to five inches at Lost Trail Pass. Mixed precipitation
possible with ice accumulations up to one-tenth of an inch.
* WHERE...Shoup, Highway 93 Lost Trail Pass to Gibbonsville, Bannock
Pass, Lemhi Pass, Highway 28 Tendoy to Lone Pine, Salmon, and
Williams Creek Summit.
* WHEN...Until noon MST Friday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday evening and Friday morning
commutes, especially over higher passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
118 PM MST Thu Jan 1 2026
...SNOW AND WINTRY MIX FOR THURSDAY NIGHT INTO FRIDAY...
.This set of Winter Weather Advisories has been issued due to
concerns for mixed precipitation types given the recent colder
weather and subsequently cold road temperatures. Do not expect
significant or major accumulations amounts of ice and/or snow. Rain
or wet snow falling on frozen surfaces can easily become very slick
and exacerbated by compaction and/or frictional heating from tires
on roadways.
MTZ006-021900-
/O.NEW.KMSO.WW.Y.0001.260102T0000Z-260102T1900Z/
Bitterroot/Sapphire Mountains-
118 PM MST Thu Jan 1 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
NOON MST FRIDAY...
* WHAT...Snow and mixed precipitation expected. There is a chance of
minor to moderate winter weather impacts. Total snow accumulations
up to two inches, up to five inches at Lost trail Pass, and ice
accumulations around a light glaze.
* WHERE...Lolo Pass to Lolo, and Highway 93 Sula to Lost Trail Pass.
* WHEN...From 5 PM this afternoon to noon MST Friday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday evening and Friday morning
commutes, especially over higher passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Boise ID
1037 AM MST Thu Jan 1 2026
IDZ012-ORZ064-012200-
/O.EXB.KBOI.WW.Y.0001.000000T0000Z-260102T0600Z/
Lower Treasure Valley-Oregon Lower Treasure Valley-
Including the cities of Nampa, Nyssa, Ontario, and Caldwell
1037 AM MST Thu Jan 1 2026 /937 AM PST Thu Jan 1 2026/
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST /10 PM PST/
THIS EVENING...
* WHAT...Light freezing rain expected. Ice accumulations up to a
tenth of an inch.
* WHERE...Lower Treasure Valley Zones.
* WHEN...Until 11 PM MST /10 PM PST/ this evening.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Very slippery sidewalks, roads
and bridges are possible, especially in colder pockets of the
valley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Boise ID
1037 AM MST Thu Jan 1 2026
IDZ033-012200-
/O.EXA.KBOI.WW.Y.0001.000000T0000Z-260102T1200Z/
Upper Weiser River-
Including the cities of Council, Goodrich, Fruitvale, Cambridge,
Glendale, Mesa, and Indian Valley
1037 AM MST Thu Jan 1 2026
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST FRIDAY...
* WHAT...Snow and freezing rain expected. Snow accumulations up to
two inches, and ice accumulation a light glaze.
* WHERE...Upper Weiser River.
* WHEN...Until 5 AM MST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Plan on slippery road
conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Boise ID
1037 AM MST Thu Jan 1 2026
ORZ061-063-012200-
/O.EXT.KBOI.WW.Y.0001.000000T0000Z-260102T0600Z/
Harney County-Malheur County-
Including the cities of Malheur City, Burns, Buchanan, New
Princeton, Diamond, Crane, Venator, and Dunnean
937 AM PST Thu Jan 1 2026 /1037 AM MST Thu Jan 1 2026/
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM PST /11 PM MST/
THIS EVENING...
* WHAT...Snow expected. Light freezing rain expected in the colder
valleys. Total snow accumulations up to one inch, and ice
accumulation up to a tenth of an inch.
* WHERE...Harney County and Malheur County.
* WHEN...Until 10 PM PST /11 PM MST/ this evening.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Plan on slippery road
conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Boise ID
1037 AM MST Thu Jan 1 2026
ORZ062-012200-
/O.EXT.KBOI.WW.Y.0001.260101T1737Z-260102T1200Z/
Baker County-
Including the cities of Baker
937 AM PST Thu Jan 1 2026
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 AM PST FRIDAY...
* WHAT...Snow expected. Light freezing rain expected in the colder
valleys. Total snow accumulations up to two inches, and ice
accumulation up to a tenth of an inch.
* WHERE...Baker County.
* WHEN...Until 4 AM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Plan on slippery road
conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
ST
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pendleton OR
717 AM PST Thu Jan 1 2026
ORZ041-510-WAZ024-012330-
/O.CON.KPDT.WW.Y.0031.000000T0000Z-260102T0900Z/
Eastern Columbia River Gorge of Oregon-North Central Oregon-
Eastern Columbia River Gorge of Washington-
Including the cities of Maupin, Dufur, Moro, Arlington, White
Salmon, and The Dalles
717 AM PST Thu Jan 1 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM PST FRIDAY...
* WHAT...Freezing rain expected. Total ice accumulations of a light
glaze to one-tenth of an inch.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington, and
North Central Oregon.
* WHEN...Until 1 AM PST Friday.
* IMPACTS...Difficult travel conditions are possible. The hazardous
conditions could impact the Thursday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Prepare for possible
power outages. In Oregon, the latest road conditions can be obtained
by visiting tripcheck.com online, or by calling 5 1 1. In
Washington, the latest road conditions can be obtained by visiting
the website wsdot.wa.gov/travel.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pendleton OR
717 AM PST Thu Jan 1 2026
ORZ044-507-508-012330-
/O.CON.KPDT.WW.Y.0031.000000T0000Z-260102T0900Z/
Lower Columbia Basin of Oregon-Foothills of the Northern Blue
Mountains of Oregon-Foothills of the Southern Blue Mountains of
Oregon-
Including the cities of Fossil, Heppner, Condon, Pilot Rock,
Ione, Athena, Hermiston, Pendleton, and Boardman
717 AM PST Thu Jan 1 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM PST FRIDAY...
* WHAT...Freezing rain expected. Total ice accumulations of a light
glaze to one-tenth of an inch.
* WHERE...Foothills of the Blue Mountains of Oregon, and Lower
Columbia Basin of Oregon.
* WHEN...Until 1 AM PST Friday.
* IMPACTS...Difficult travel conditions are possible. Slippery
conditions could occur on portions of I-84, US 395 and SR 11.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Prepare for possible
power outages. The latest road conditions can be obtained by
visiting tripcheck.com online, or by calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pendleton OR
717 AM PST Thu Jan 1 2026
WAZ521-012330-
/O.CON.KPDT.WW.Y.0031.000000T0000Z-260102T1200Z/
Simcoe Highlands-
Including the cities of Bickleton and Goldendale
717 AM PST Thu Jan 1 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...
* WHAT...Freezing rain expected. Total ice accumulations of a light
glaze to one-tenth of an inch.
* WHERE...Simcoe Highlands.
* WHEN...Until 4 AM PST Friday.
* IMPACTS...Difficult travel conditions are possible.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Prepare for possible
power outages. The latest road conditions can be obtained by
visiting the website wsdot.wa.gov/travel.
&&
$$
