Winter Weather Warnings / Watches / Advisories
Issued by NWS Missoula, MT

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000
WWUS45 KMSO 180157
WSWMSO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
657 PM MST Sat Feb 17 2018

MTZ003-190000-
/O.UPG.KMSO.WS.W.0008.000000T0000Z-180219T0000Z/
/O.NEW.KMSO.BZ.W.0002.180218T0157Z-180218T1800Z/
Flathead/Mission Valleys-
657 PM MST Sat Feb 17 2018

...BLIZZARD WARNING IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Blizzard conditions. Winds gusting as high as 45 mph will
  cause whiteout conditions in blowing snow. Significant drifting
  of the snow is likely especially after 10 pm tonight.
  Additional snow accumulations of 5 to 8 inches, are expected.

* WHERE...Flathead Lake, Flathead Valley, Mission Valley, and
  Polson.

* WHEN...Until 11 AM MST Sunday.

* ADDITIONAL DETAILS...Travel will be very dangerous to
  impossible. Tree branches could fall. The cold wind chills as
  low as 15 below zero could result in hypothermia if
  precautions are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blizzard Warning means severe winter weather conditions are
expected or occurring. Falling and blowing snow with strong winds
and poor visibilities are likely. This will lead to whiteout
conditions, making travel extremely dangerous. Do not travel. If
you must travel, have a winter survival kit with you.  If you get
stranded, stay with your vehicle. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

IDZ005-006-181200-
/O.CON.KMSO.WS.W.0008.000000T0000Z-180218T1200Z/
Northern Clearwater Mountains-Southern Clearwater Mountains-
557 PM PST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY...

* WHAT...Snow occurring. Heavy snow is expected into Sunday,
  especially above 3000 feet. Total snow accumulations of 12 to
  18 inches for elevations above 3000 feet. 1 to 2 inches below
  3000 feet.

* WHERE...Elk River, Highway 11 Pierce to Headquarters, Pierce,
  Dixie, Elk City, and Highway 12 Lowell to Lolo Pass.

* WHEN...For the Winter Storm Warning, from 10 AM this morning
  to 4 AM PST Sunday.

* ADDITIONAL DETAILS...Plan on difficult travel conditions. Tree
  branches could fall. Winds gusting as high as 45 mph will
  cause areas of blowing and drifting snow. Plan on slippery
  road conditions. Be prepared for reduced visibilities at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions will make travel very hazardous or
impossible. 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.

&&

$$

MTZ004-190000-
/O.CON.KMSO.WS.W.0008.000000T0000Z-180219T0000Z/
Lower Clark Fork Region-
657 PM MST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

* WHAT...Snow occurring. Snow is expected to intensify this
  afternoon. Total snow accumulations of 9 to 12 inches, with up
  to 2 feet possible over Lookout Pass, are expected. Gusty west
  winds will begin this afternoon with east winds early Sunday,
  which will cause periods of blowing and drifting snow and poor
  visibility. A flash freeze of roadways this evening through
  Sunday morning will create very icy conditions. Travel may
  become hazardous.

* WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains,
  Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to
  Haugan.

* WHEN...For the Winter Storm Warning, from 11 AM this morning
  to 5 PM MST Sunday.

* ADDITIONAL DETAILS...Travel will be very difficult to
  impossible. Winds gusting as high as 40 mph will cause areas
  of blowing and drifting snow. Be prepared for reduced
  visibilities at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions will make travel very hazardous or impossible. 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.

&&

$$

MTZ001-190000-
/O.CON.KMSO.WS.W.0008.000000T0000Z-180219T0000Z/
Kootenai/Cabinet Region-
657 PM MST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

* WHAT...Snow occurring. Heavy snow and blowing snow expected
  this afternoon through Sunday. Total snow accumulations of 8
  to 14 inches are expected. Gusty winds this evening through
  Sunday morning will cause blowing and drifting snow and poor
  visibility.

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

* WHEN...For the Winter Storm Warning, from 11 AM this morning
  to 5 PM MST Sunday.

* ADDITIONAL DETAILS...Travel will be very difficult to
  impossible. Winds gusting as high as 40 mph will cause areas
  of blowing and drifting snow. Trees branches may fall. The
  cold wind chills as low as 20 below zero could cause frostbite
  on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions will make travel very hazardous or
impossible. 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.

&&

$$

MTZ002-190000-
/O.CON.KMSO.WS.W.0008.000000T0000Z-180219T0000Z/
West Glacier Region-
657 PM MST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

* WHAT...Snow occurring. Heavy snow and blowing snow expected
  this afternoon into Sunday. Total snow accumulations today
  through Sunday of 12 to 18 inches are expected. Gusty winds
  will cause blowing and drifting snow and poor visibility.
  Blizzard conditions are likely, along with very icy conditions
  this afternoon through Sunday.

* WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan
  Lake, Marias Pass, and Polebridge.

* WHEN...For the Winter Storm Warning, from 11 AM this morning
  to 5 PM MST Sunday.

* ADDITIONAL DETAILS...Travel will be very difficult to
  impossible. Tree branches could fall. Winds gusting as high as
  50 mph will cause widespread blowing and drifting snow. Wind
  chills as low as 30 below zero could cause frostbite on
  exposed skin in as little as 30 minutes. Be prepared for
  reduced visibilities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions will make travel very hazardous or
impossible. 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.

&&

$$

MTZ007-043-190000-
/O.CON.KMSO.WS.W.0008.000000T0000Z-180219T0000Z/
Butte/Blackfoot Region-Potomac/Seeley Lake Region-
657 PM MST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

* WHAT...Snow and blowing snow expected. Initial snow
  accumulations of 2 to 5 inches expected through the afternoon.
  Then, heavy snow and blowing snow expected this afternoon
  through Sunday. Additional snow accumulations of 4 to 8 inches,
   with localized amounts up to 12 inches, are expected by
  Sunday evening.

* WHERE...Butte, Georgetown Lake, Highway 12 Garrison to
  Elliston, Homestake Pass, and MacDonald Pass.

* WHEN...For the Winter Storm Warning, from 5 PM this afternoon
  to 5 PM MST Sunday. For the Winter Weather Advisory, from 11
  AM this morning to 5 PM MST this afternoon.

* ADDITIONAL DETAILS...Plan on slippery road conditions. In
  addition, areas of poor visibility are likely. Tree branches
  could fall. Winds gusting as high as 50 mph will cause areas
  of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions will make travel very hazardous or
impossible. 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.

&&

$$

MTZ006-190000-
/O.CON.KMSO.WS.W.0008.000000T0000Z-180219T0000Z/
Bitterroot/Sapphire Mountains-
657 PM MST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

* WHAT...Snow occurring. Initial snow accumulations of 6 to 10
  inches, including over Lolo Pass and Lost Trail Pass. Then,
  this afternoon through Sunday, heavy snow and blowing snow is
  expected. Travel will become difficult due to slick roads and
  low visibility. Additional snow accumulations of 8 to 14
  inches, localized amounts up to 18 inches for Lolo Pass, are
  possible.

* WHERE...Bitterroot/Sapphire Mountains.

* WHEN...For the Winter Storm Warning, from 11 AM this morning
  to 5 PM MST Sunday.

* ADDITIONAL DETAILS...Plan on difficult travel conditions.
  Winds gusting as high as 50 mph will cause areas of blowing
  and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions will make travel very hazardous or
impossible. 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.

&&

$$

MTZ005-190000-
/O.CON.KMSO.WS.W.0008.000000T0000Z-180219T0000Z/
Missoula/Bitterroot Valleys-
657 PM MST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

* WHAT...Snow occurring mainly from Stevensville through
  Missoula. Then, heavy snow and blowing snow expected this
  afternoon into Sunday. Snow will change to rain in the
  Bitterroot Valley and briefly in the Missoula Valley into this
  evening. Total snow accumulations of 6 to 10 inches from
  Stevensville north to Missoula with isolated amounts of 12
  inches. Total snow accumulations of 3 to 7 inches are possible
  from Stevensville south. Gusty west winds develop by this
  evening and gusty east winds during Sunday morning, which will
  cause period of blowing and drifting snow and poor visibility.
  A freeze-up of roadways Saturday evening through Sunday
  morning will create very icy conditions.

* WHERE...Missoula/Bitterroot Valleys.

* WHEN...For the Winter Storm Warning, from 11 AM this morning
  to 5 PM MST Sunday.

* ADDITIONAL DETAILS...Travel will be very difficult to
  impossible. Tree branches could fall. Winds gusting 30 to 40
  mph will cause widespread blowing and drifting snow and very
  icy conditions. Wind chills of 10 below zero could cause
  frostbite on exposed skin in as little as 30 minutes during
  Sunday. Be prepared for reduced visibilities at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions will make travel very hazardous or
impossible. 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.

&&

$$

IDZ009-010-190000-
/O.CON.KMSO.WW.Y.0022.000000T0000Z-180219T0000Z/
Western Lemhi County-Eastern Lemhi County-
657 PM MST Sat Feb 17 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SUNDAY...

* WHAT...Snow and blowing snow expected. Total snow
  accumulations of 2 to 5 inches, with 8 to 14 inches Williams
  Creek and Lost Trail Pass, are expected.

* WHERE...Shoup, Bannock Pass, Highway 28 Tendoy to Lone Pine,
  Highway 93 Lost Trail Pass to Gibbonsville, Lemhi Pass, and
  Salmon.

* WHEN...From 5 PM Saturday to 5 PM MST Sunday.

* ADDITIONAL DETAILS...Plan on slippery road conditions. In
  addition, areas of poor visibility are likely. Tree branches
  could fall. Winds gusting as high as 45 mph will cause areas
  of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow and blowing snow means periods
of snow and blowing snow will cause primarily travel
difficulties. Be prepared for snow covered roads and limited
visibilities, and use caution while driving. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.

&&

$$


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