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

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WWUS45 KMSO 172158
WSWMSO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
258 PM MST Sun Dec 17 2017

MTZ004-182200-
/O.UPG.KMSO.WW.Y.0045.000000T0000Z-171218T1800Z/
/O.NEW.KMSO.WS.W.0016.171218T0000Z-171220T1800Z/
Lower Clark Fork Region-
258 PM MST Sun Dec 17 2017

...WINTER STORM WARNING IN EFFECT UNTIL 11 AM MST WEDNESDAY...

* WHAT...Prolonged period of moderate to heavy snow expected over
  Lookout Pass. Travel will be very difficult to impossible at
  times. Total snow accumulations 3 to 4 feet, is expected over
  Lookout Pass. However, lower elevation valley locations, such as
  Thompson Falls and Superior, can expect 3 to 6 inches of
  snowfall by Wednesday morning.

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

* WHEN...From 5 PM this afternoon to 11 AM MST Wednesday. Heaviest
  period of snow is expected Tuesday morning through Tuesday
  night.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. 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.

$$

MTZ002-182200-
/O.UPG.KMSO.WW.Y.0045.171218T0000Z-171219T0000Z/
/O.NEW.KMSO.WS.W.0016.171218T0000Z-171220T1800Z/
West Glacier Region-
258 PM MST Sun Dec 17 2017

...WINTER STORM WARNING IN EFFECT UNTIL 11 AM MST WEDNESDAY...

* WHAT...Heavy snow and blowing snow expected. Travel will be very
  difficult to impossible. Damage to power lines is possible.
  Total snow accumulations of 3 to 6 inches across valleys and
  12-18 inches over Marias pass expected on Monday. Additional
  snow accumulations of 1 to 2 feet across valleys, with higher
  amounts over Marias pass are expected on Tuesday through
  Wednesday. Total snow amounts of over 4 feet expected over
  Marias pass by Wednesday.

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

* WHEN...From 5 PM this afternoon to 11 AM MST Wednesday. Heaviest
  period of snow is expected Tuesday morning through Tuesday night.

* ADDITIONAL DETAILS...Winds gusting as high as 55 mph will
  cause widespread blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions are expected. 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.


$$

MTZ001-182200-
/O.NEW.KMSO.WS.W.0016.171219T0700Z-171220T1800Z/
/O.CON.KMSO.WW.Y.0045.000000T0000Z-171218T1800Z/
Kootenai/Cabinet Region-
258 PM MST Sun Dec 17 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY...
...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT MONDAY NIGHT TO
11 AM MST WEDNESDAY...

* WHAT...Heavy snow expected. Snow and pockets of freezing rain
  occurring. Travel will be very difficult to impossible
  especially on Tuesday and Tuesday night. Total snow
  accumulations of 10 to 15 inches, with localized amounts up to
  30 inches, are expected.

* 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 midnight Monday
  night to 11 AM MST Wednesday. For the Winter Weather Advisory,
  until 11 AM MST Monday.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. 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.

A Winter Weather Advisory for snow means periods of 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.


$$

MTZ043-182200-
/O.NEW.KMSO.WS.A.0011.171219T0700Z-171220T1800Z/
/O.EXB.KMSO.WW.Y.0045.171218T0000Z-171218T1800Z/
Potomac/Seeley Lake Region-
258 PM MST Sun Dec 17 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY...
...WINTER STORM WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH
WEDNESDAY MORNING...

* WHAT...Moderate snow expected. Heavy snow possible Monday night
  through Wednesday morning. Plan on difficult travel conditions.
  Total snow accumulations of 3 to 7 inches expected on Monday.
  Additional snow accumulations of 5 to 10 inches, with localized
  higher amounts, especially between Seeley Lake and Condon, are
  possible Monday night through Wednesday morning.

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

* WHEN...For the Winter Weather Advisory, from 5 PM this
  afternoon to 11 AM MST Monday. For the Winter Storm Watch,
  from late Monday night through Wednesday morning.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause 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.

A Winter Storm Watch means there is potential for significant
snow, sleet or ice accumulations that may impact travel. Continue
to monitor the latest forecasts.


$$

IDZ005-181800-
/O.EXB.KMSO.WW.Y.0045.171218T0000Z-171218T1800Z/
Northern Clearwater Mountains-
158 PM PST Sun Dec 17 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST MONDAY...

* WHAT...Snow expected. Pockets of freezing rain possible. Plan on
  difficult travel conditions. Total snow accumulations of 4 to 8
  inches, with locally higher amounts, are expected.

* WHERE...Elk River, Highway 11 Pierce to Headquarters, and
  Pierce.

* WHEN...Until 10 AM PST Monday.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause 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.

$$

IDZ006-181800-
/O.EXB.KMSO.WW.Y.0045.171218T0000Z-171218T1800Z/
Southern Clearwater Mountains-
158 PM PST Sun Dec 17 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST MONDAY...

* WHAT...Snow expected. Pockets of freezing rain possible. Plan
  on slippery road conditions. In addition, areas of poor
  visibility are expected. Total snow accumulations of 2 to 4
  inches for valleys, and 4 to 8 inches over Lolo Pass, are
  expected.

* WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass.

* WHEN...Until 10 AM PST Monday.

* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will
  cause areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause 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.
$$

MTZ003-182200-
/O.NEW.KMSO.WS.A.0011.171219T0700Z-171220T1800Z/
/O.CON.KMSO.WW.Y.0045.000000T0000Z-171218T1800Z/
Flathead/Mission Valleys-
258 PM MST Sun Dec 17 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY...
...WINTER STORM WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH
WEDNESDAY MORNING...

* WHAT...Heavy snow expected. Snow and pockets of freezing rain
  occurring. Plan on slippery road conditions. Additional snow
  accumulations of up to two inches, with pockets of freezing
  rain, expected through Monday morning. Total snow accumulations
  of 8 to 14 inches possible Tuesday through Wednesday for the
  Flathead Valley. 3 to 6 inches of snow possible for the Mission
  valley.

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

* WHEN...For the Winter Weather Advisory, until 11 AM MST
  Monday. For the Winter Storm Watch, from late Monday night
  through Wednesday morning.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause 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.

A Winter Storm Watch means there is potential for significant
snow, sleet or ice accumulations that may impact travel. Continue
to monitor the latest forecasts.

$$



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