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

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000
WWUS45 KMSO 171753
WSWMSO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1053 AM MST Sat Feb 17 2018

MTZ005-181800-
/O.EXP.KMSO.WW.Y.0021.000000T0000Z-180217T1800Z/
/O.UPG.KMSO.WS.A.0004.180217T1800Z-180219T0000Z/
/O.EXA.KMSO.WS.W.0008.180217T1800Z-180219T0000Z/
Missoula/Bitterroot Valleys-
1053 AM MST Sat Feb 17 2018

...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST SUNDAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS
MORNING...

* 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.


&&

$$

IDZ005-006-181200-
/O.EXP.KMSO.WW.Y.0020.000000T0000Z-180217T1800Z/
/O.CON.KMSO.WS.W.0008.180217T1800Z-180218T1200Z/
Northern Clearwater Mountains-Southern Clearwater Mountains-
953 AM PST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM PST THIS
MORNING...

* 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.


&&

$$

MTZ006-181800-
/O.EXP.KMSO.WW.Y.0020.000000T0000Z-180217T1800Z/
/O.CON.KMSO.WS.W.0008.180217T1800Z-180219T0000Z/
Bitterroot/Sapphire Mountains-
1053 AM MST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS
MORNING...

* 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.

&&

$$

MTZ004-181800-
/O.EXP.KMSO.WW.Y.0020.000000T0000Z-180217T1800Z/
/O.CON.KMSO.WS.W.0008.180217T1800Z-180219T0000Z/
Lower Clark Fork Region-
1053 AM MST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS
MORNING...

* 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.


&&

$$

MTZ003-181800-
/O.EXP.KMSO.WW.Y.0020.000000T0000Z-180217T1800Z/
/O.CON.KMSO.WS.W.0008.180217T1800Z-180219T0000Z/
Flathead/Mission Valleys-
1053 AM MST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS
MORNING...

* WHAT...Snow occurring. Heavy snow and blowing snow expected
  this afternoon into Sunday. Total snow accumulations of 8 to 12
  inches are expected. Gusty winds will develop this evening.
  Blizzard conditions are likely tonight through Sunday morning. A
  flash freeze of roadways tonight will create very icy
  conditions. Travel may become hazardous to impossible,
  especially through the Flathead Valley and Badrock Canyon.

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

* 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 50 mph will cause
  widespread blowing and drifting snow. Trees branches may fall.
  Cold wind chills as low as 20 below zero could result in
  hypothermia if precautions are not taken. Be prepared for
  reduced visibilities.


&&

$$

MTZ002-181800-
/O.EXP.KMSO.WW.Y.0020.000000T0000Z-180217T1800Z/
/O.CON.KMSO.WS.W.0008.180217T1800Z-180219T0000Z/
West Glacier Region-
1053 AM MST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS
MORNING...

* 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.


&&

$$

MTZ001-181800-
/O.EXP.KMSO.WW.Y.0020.000000T0000Z-180217T1800Z/
/O.CON.KMSO.WS.W.0008.180217T1800Z-180219T0000Z/
Kootenai/Cabinet Region-
1053 AM MST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS
MORNING...

* 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.


&&

$$

MTZ043-181800-
/O.CON.KMSO.WS.W.0008.180218T0000Z-180219T0000Z/
/O.CON.KMSO.WW.Y.0020.000000T0000Z-180218T0000Z/
Potomac/Seeley Lake Region-
1053 AM MST Sat Feb 17 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 PM MST SUNDAY...

* WHAT...Snow occurring. Then, heavy snow and blowing snow
  expected this evening through Sunday. Total snow accumulations
  of 8 to 12 inches, with localized amounts up to 18 inches, are
  expected by Sunday evening.

* WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake
  to Condon, and I-90 East Missoula to Bearmouth.

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

* 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. Be
  prepared for reduced visibilities at times.

&&

$$

MTZ007-181800-
/O.CON.KMSO.WS.W.0008.180218T0000Z-180219T0000Z/
/O.CON.KMSO.WW.Y.0022.180217T1800Z-180218T0000Z/
Butte/Blackfoot Region-
1053 AM MST Sat Feb 17 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 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.

&&

$$

IDZ009-010-181800-
/O.CON.KMSO.WW.Y.0022.180218T0000Z-180219T0000Z/
Western Lemhi County-Eastern Lemhi County-
1053 AM MST Sat Feb 17 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 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.

&&

$$


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