Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
223 AM MDT Mon Oct 13 2025
MTZ301-307-131800-
/O.CON.KTFX.WS.W.0016.000000T0000Z-251013T1800Z/
East Glacier Park Region-Southern Rocky Mountain Front-
Including the following locations: Logan Pass, Saint Mary, Rogers
Pass, Babb, East Glacier Park, Marias Pass, and Kiowa
223 AM MDT Mon Oct 13 2025
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY...
* WHAT...Heavy, wet snow. Additional snow accumulations between 1
and 3 inches. Winds gusting as high as 35 mph.
* WHERE...The Continental Divide along the Rocky Mountain Front.
* WHEN...Until noon MDT today.
* IMPACTS...Cold, wet, and snowy outdoor conditions and slippery
roads continue this morning. The heavy, wet snow may cause power
outages and or tree damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
The latest road conditions can be obtained by calling 5 1 1 or
visiting the MDT Road Report website.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
223 AM MDT Mon Oct 13 2025
MTZ308-316-131800-
/O.CON.KTFX.WS.W.0016.000000T0000Z-251013T1800Z/
Southern High Plains-Gates of the Mountains-
Including the following locations: Canyon Creek, Craig, Bynum,
Wolf Creek, Choteau, and Pendroy
223 AM MDT Mon Oct 13 2025
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY...
* WHAT...Heavy, wet snow. Additional snow accumulations between 1
and 4 inches.
* WHERE...Gates of the Mountains and Southern High Plains.
* WHEN...Until noon MDT today.
* IMPACTS...Roads may become snow packed and slippery. The heavy,
wet snow may cause power outages and or tree damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
The latest road conditions can be obtained by calling 5 1 1 or
visiting the MDT Road Report website.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Hanford CA
108 AM PDT Mon Oct 13 2025
CAZ323-326>331-131600-
/O.CON.KHNX.WS.W.0008.251013T1800Z-251016T0000Z/
Yosemite NP outside of the valley-Upper San Joaquin River-Kaiser
to Rodgers Ridge-Kings Canyon NP-Grant Grove Area-Sequoia NP-
South End of the Upper Sierra-
Including the cities of Devils Postpile, Giant Forest, Tuolumne
Meadows, Lake Thomas Edison, Florence Lake, Shaver Lake, Cedar
Grove, Lodgepole, Wawona, Johnsondale, Huntington Lake, Hume
Lake, Grant Grove, and Lake Wishon
108 AM PDT Mon Oct 13 2025
...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
5 PM PDT WEDNESDAY...
* WHAT...Heavy snow expected with snow levels 6,000 to 7,000 feet.
Total snow accumulations of 1 to 2 feet, except around 3 feet over
the highest peaks.
* WHERE...A portion of central California.
* WHEN...From 11 AM this morning to 5 PM PDT Wednesday.
* IMPACTS...Visibilities may drop below 1/4 mile due to falling and
blowing snow. Travel could be very difficult to impossible. The
hazardous conditions could impact the Monday evening and Tuesday
morning commutes.
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.
Persons should delay all travel if possible. If travel is absolutely
necessary, drive with caution and be prepared for sudden changes in
conditions. Leave plenty of room between you and the motorist ahead
of you, and allow extra time to reach your destination. Avoid sudden
braking or acceleration, and be especially cautious on hills or when
making turns. Make sure your car is winterized and in good working
order.
&&
$$
JPK
URGENT - WINTER WEATHER MESSAGE
National Weather Service Las Vegas NV
1153 PM PDT Sun Oct 12 2025
CAZ519-131900-
/O.UPG.KVEF.WS.A.0005.251014T0000Z-251015T1200Z/
/O.NEW.KVEF.WS.W.0006.251014T0000Z-251015T1200Z/
Eastern Sierra Slopes-
Including the cities of Aspendell and Whitney Portal
1153 PM PDT Sun Oct 12 2025
...WINTER STORM WARNING IN EFFECT FROM 5 PM MONDAY TO 5 AM PDT
WEDNESDAY MORNING...
* WHAT...Heavy snow expected. Total snow accumulations 8 to 16
inches between 7000 and 9000 feet and 1 to 2 feet above 9000 feet.
Winds could gust as high as 40 mph.
* WHERE...Eastern Sierra Slopes.
* WHEN...From 5 PM Monday to 5 AM PDT Wednesday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* ADDITIONAL DETAILS...Travel may become difficult on Highway 168
west of Bishop due to icy and snow packed roads. Whitney Portal
will observe sharp deterioration in conditions with extreme danger
to hikers and campers unprepared for the winter weather.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons should consider delaying travel in the Sierra. If travel is
absolutely necessary, drive with extreme caution. Consider taking a
winter storm kit along with you, including such items as tire
chains, booster cables, flashlight, shovel, blankets and extra
clothing.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/lasvegas
CO
URGENT - WINTER WEATHER MESSAGE
National Weather Service Reno NV
155 PM PDT Sun Oct 12 2025
CAZ073-132200-
/O.UPG.KREV.WS.A.0009.251014T0000Z-251015T1800Z/
/O.NEW.KREV.WS.W.0008.251013T1800Z-251015T1800Z/
Mono County-
Including the cities of Lee Vining, Coleville, Mammoth Lakes, and
Bridgeport
155 PM PDT Sun Oct 12 2025
...WINTER STORM WARNING IN EFFECT FROM 11 AM MONDAY TO 11 AM PDT
WEDNESDAY...
* WHAT...Heavy snow above 7000 feet. Snow accumulation of 8 to 16
inches with 1 to 3 feet along the Sierra crest. 1 to 4 inches of
snow accumulation for communities along Highway 395. Ridge winds
gusting up to 70 mph.
* WHERE...Mono County.
* WHEN...From 11 AM Monday to 11 AM PDT Wednesday.
* IMPACTS...Travel could be very difficult, especially through
mountain passes such as Sonora and Tioga passes. The hazardous
conditions could impact the Monday evening and Tuesday morning
commutes. Gusty winds could bring down tree branches.
* ADDITIONAL DETAILS...Heaviest snowfall is expected Monday night
through Tuesday morning with snowfall rates of 1 to 2 inches per
hour.
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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
136 PM PDT Sun Oct 12 2025
CAZ069-140030-
/O.UPG.KSTO.WS.A.0007.251013T1800Z-251016T0000Z/
/O.NEW.KSTO.WS.W.0010.251013T1200Z-251015T1200Z/
West Slope Northern Sierra Nevada-
Including the cities of Blue Canyon
136 PM PDT Sun Oct 12 2025
...WINTER STORM WARNING IN EFFECT FROM 5 AM MONDAY TO 5 AM PDT
WEDNESDAY...
* WHAT...Snow expected above 6500 feet. Total snow accumulations of
1 to 2 feet, up to 3 feet along higher elevations; highest totals
south of Highway 50. Winds gusting up to 35 mph.
* WHERE...West Slope Northern Sierra Nevada above 6500 feet.
* WHEN...From 5 AM Monday to 5 AM PDT Wednesday.
* IMPACTS...Plan for slippery road conditions. Hazardous road
conditions are expected to impact the Monday and Tuesday commutes.
* ADDITIONAL DETAILS...Snow levels will be 5500 to 6500 feet,
decreasing after Monday night to 5000 to 6000 feet with heaviest
snow accumulation expected Monday afternoon to late evening. Snow
accumulations may be affected by diurnal trends and sun angle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Check the latest road conditions from Caltrans online at
quickmap.dot.ca.gov or dial 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
136 PM PDT Sun Oct 12 2025
CAZ068-140030-
/O.NEW.KSTO.WS.W.0010.251013T1200Z-251015T1200Z/
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
136 PM PDT Sun Oct 12 2025
...WINTER STORM WARNING IN EFFECT FROM 5 AM MONDAY TO 5 AM PDT
WEDNESDAY...
* WHAT...Snow expected above 6500 feet. Total snow accumulations
between 12 and 18 inches, up to 2 feet along the highest peaks.
* WHERE...Western Plumas County/Lassen Park above 6500 feet.
* WHEN...From 5 AM Monday to 5 AM PDT Wednesday.
* IMPACTS...Plan for slippery road conditions. Hazardous road
conditions are expected to impact the Monday and Tuesday commutes.
* ADDITIONAL DETAILS...Snow levels will be 5500 to 6500 feet,
decreasing after Monday night to 5000 to 6000 feet with heaviest
snow accumulation expected Monday afternoon to late evening,
highest in the Lassen Park Area. Snow accumulations may be
affected by diurnal trends and sun angle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Check the latest road conditions from Caltrans online at
quickmap.dot.ca.gov or dial 5 1 1.
&&
$$
For more information, visit us at www.weather.gov/sto/
DA
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1002 AM MDT Sun Oct 12 2025
MTZ001-131615-
/O.CON.KMSO.WS.W.0010.000000T0000Z-251013T1800Z/
Kootenai/Cabinet Region-
1002 AM MDT Sun Oct 12 2025
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY...
* WHAT...Heavy snow expected. Total snow accumulations up to 1 inch
below 3000 feet, 2 to 5 inches in the higher valleys, especially
along Highway 2 Happys Inn to Marion, and 6 to 12 inches in the
mountains. The Cabinet and Purcell mountains could receive a total
of 12 to 18 inches. Gusty easterly winds 20 to 30 mph with gusts
to 40 mph, though gusts to 50 mph are possible in the higher
elevations.
* WHERE...Highway 2 Kalispell to Libby, Highway 93 Eureka to
Whitefish, Highway 56 Bull Lake Road, and Highway 37 Eureka to
Libby.
* WHEN...Until noon MDT Monday.
* IMPACTS...The strong winds and weight of snow on tree limbs may
down power lines and could cause sporadic power outages. Initial
light rain or melting snow will freeze as temperatures drop this
evening, creating hazardous conditions even in areas that see
little snow accumulation. Expect considerable disruptions to
normal activities. Dangerous or impossible traveling conditions in
the backcountry. Avoid travel in the impacted areas if possible.
* ADDITIONAL DETAILS...The time of greatest concern for wind, snow
and icy conditions developing is Sunday evening between 6pm and
midnight.
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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1002 AM MDT Sun Oct 12 2025
MTZ002-131615-
/O.CON.KMSO.WS.W.0010.000000T0000Z-251013T1800Z/
West Glacier Region-
1002 AM MDT Sun Oct 12 2025
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY...
* WHAT...Heavy snow and blowing snow expected. 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...Bad Rock Canyon, Marias Pass, Essex, Highway 83 Bigfork to
Swan Lake, Glacier National Park higher elevations including
Going-to-the-Sun Road and Logan Pass, and Polebridge.
* WHEN...Until noon MDT Monday.
* IMPACTS...Winter traveling conditions. 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.
* ADDITIONAL DETAILS...A flash freeze of wet or slushy roadways is
possible 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.
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.
&&
$$
