United States Active Warning and Alerts Center

WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM PDT MONDAY FOR ELEVATIONS ABOVE 3000 FEET

Bonner County, ID Boundary County, ID Kootenai County, ID

* WHAT...Heavy snow expected for elevations above 3000 feet. Total
snow accumulations of 2 to 6 inches between 3000 to 4000 feet, and
6 to 12 inches above 4000 feet. Winds gusting as high as 40 mph.

* WHERE...Schweitzer Mountain Road and Eastport.

* WHEN...From 2 PM this afternoon to 5 AM PDT Monday.

* IMPACTS...The strong winds and weight of snow on tree limbs may
break tree limbs and could cause sporadic power outages.
Backcountry recreationalist may experience a rapid degradation in
weather conditions, and should be prepared for winter conditions
through the night on Sunday. In addition, breezy winds in the
mountains will lead to wind chill values in the single digits.

* ADDITIONAL DETAILS...Snow on Sunday will primarily occur at the
highest elevations and will have a hard time sticking on roads.
Temperatures will quickly fall Sunday night with periods of heavy
snow down as low as 3000 feet.

...PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. For the latest road
information in Idaho, call 5 1 1.

WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM SUNDAY TO 4 PM AKDT MONDAY

North Slope Borough, AK

* WHAT...Heavy snow expected. Total snow accumulations up to one
foot. Heaviest snowfall expected west of the Dalton Highway. Winds
gusting as high as 75 mph. Visibility will be reduced to one mile
or less at times.

* WHERE...Central Brooks Range and Howard Pass and the Delong
Mountains.

* WHEN...From 1 AM Sunday to 4 PM AKDT Monday.

* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Monday morning commute. Very strong winds could
cause extensive tree damage.

...PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.

WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT MONDAY

Glacier County, MT Pondera County, MT Lewis and Clark County, MT Teton County, MT

* WHAT...Heavy, wet snow expected. Total snow accumulations between
7 and 16 inches expected above 6000 ft with 3 to 8 inches expected
below 6000 ft. Winds gusting as high as 45 mph.

* WHERE...The Continental Divide along the Rocky Mountain Front.

* WHEN...From 6 PM this evening to noon MDT Monday.

* IMPACTS...Cold, wet, and snowy outdoor conditions develop tonight
and continue through Monday morning bringing an increased risk for
hypothermia and frostbite to those not properly dressed for the
weather. Roads in Glacier National Park and forest roads over the
higher terrain of Teton and central and northern Lewis and Clark
County, including Going-to-the-Sun Road and Logan Pass, may become
difficult to impossible to travel. The heavy, wet snow may cause
power outages and other infrastructure failures.

* ADDITIONAL DETAILS...There will also be the potential for some icy
roads and bridges as melting snow refreezes due to falling
temperatures.

...PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions can
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

Remember, a Winter Storm Warning means that there is at least an 80%
chance of impactful winter weather conditions during the warning
period.

WINTER STORM WARNING IN EFFECT FROM 2 AM SUNDAY TO NOON MDT MONDAY

Flathead County, MT Lincoln County, MT Sanders County, MT

* WHAT...Heavy snow expected. There is a likelihood of major winter
weather impacts. Total snow accumulations up to 1 inch below 3000
feet, 2 to 5 inches in the higher valleys, 6 to 12 inches in the
mountains. The Cabinet and Purcell mountains could receive a total
of 12 to 18 inches. Gusty easterly winds 25 to 35 mph with gusts
to 40 mph, though gusts to 50 mph are possible in the higher
elevations.

* WHERE...Highway 2 Kalispell to Libby, Highway 56 Bull Lake Road,
Highway 37 Eureka to Libby, and Highway 93 Eureka to Whitefish.

* WHEN...From 2 AM Sunday to noon MDT Monday.

* IMPACTS...For MAJOR winter weather impacts, expect considerable
disruptions to normal activities. Dangerous or impossible
traveling conditions in the backcountry. Avoid travel in the
impacted areas if possible. The strong winds and weight of snow on
tree limbs may down power lines and could cause sporadic power
outages.

* ADDITIONAL DETAILS...A period of snow combined with easterly winds
will create a low-end risk for slick spots on roadways, especially
between Happy's Inn and Marion Sunday evening.

...PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.

Do not touch downed lines and report any power outages to your
electric company. Travel is highly discouraged due to slick roadways
and the possibility of downed trees and power lines.

Outdoor recreationalists should be prepared for winter conditions.
Snowfall could impact roads and cold temperatures may result in
hypothermia.

WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT MONDAY

Flathead County, MT Lake County, MT

* WHAT...Heavy snow and blowing snow expected. There is a likelihood
of major winter weather impacts. Isolated extreme winter storm
impacts in the mountains. Total snow accumulations of 1 to 4
inches in the valleys, 5 to 9 inches Essex to Marias Pass, and 10
to 20 inches in the mountains. East winds 15 to 25 mph with gusts
to 45 mph. Ridgetop easterly winds 35 to 45 mph with gusts to 60
mph.

* WHERE...Marias Pass, Polebridge, Essex, and Glacier National Park
higher elevations including Going-to-the-Sun Road and Logan Pass,
Highway 83 Bigfork to Swan Lake, Bad Rock Canyon.

* WHEN...From 6 PM this evening to noon MDT Monday.

* IMPACTS...Winter traveling conditions. For MAJOR winter weather
impacts, expect considerable disruptions to normal activities.
Dangerous or impossible traveling conditions. Avoid travel in the
impacted areas if possible. Widespread closures and disruptions to
infrastructure may occur. The hazardous conditions could impact
the Monday morning commute, especially over higher passes. Blowing
snow will reduce visibility to less than one mile at times between
Marias Pass and Essex.

* ADDITIONAL DETAILS...Heaviest snow is expected late Saturday night
into Sunday morning. A flash freeze of wet roadways is possible
Saturday night and again Sunday night. The strong winds and weight
of snow on tree limbs may down power lines and could cause
sporadic power outages.

...PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.