Winter Weather Warnings / Watches / Advisories
Issued by NWS Great Falls, MT

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184
WWUS45 KTFX 172057
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
157 PM MST Sat Feb 17 2018

MTZ014-181300-
/O.CON.KTFX.WS.W.0005.000000T0000Z-180219T1200Z/
/O.CON.KTFX.WW.Y.0076.000000T0000Z-180219T1200Z/
Central and Southern Lewis and Clark-
Including the following locations Helena, Lincoln,
MacDonald Pass, and Rogers Pass
157 PM MST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
MONDAY...

* WHAT...Heavy snow and blowing snow occurring. Periods of snow
  and blowing snow in the Helena Valley. Additional snow
  accumulations of 9 to 13 inches, with localized amounts up to 20
  inches, are expected. In the Helena Valley, additional snow
  accumulations of 3 to 7 inches are expected.

* WHERE...Central and Southern Lewis and Clark.

* WHEN...For the Winter Storm Warning, until 5 AM MST Monday.
  For the Winter Weather Advisory, until 5 AM MST Monday.

* ADDITIONAL DETAILS...Travel will be very difficult to
  impossible. Winds gusting as high as 35 mph will cause areas of
  blowing and drifting snow. The cold wind chills as low as 30
  below zero on Sunday 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.

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.

&&

$$

MTZ009-010-044-046-048-049-181300-
/O.CON.KTFX.WS.W.0005.000000T0000Z-180219T1200Z/
Northern Rocky Mountain Front-Eastern Glacier-Toole-
Eastern Pondera-Southern Rocky Mountain Front-Eastern Teton-
Including the following locations Logan Pass, Marias Pass,
Browning, Heart Butte, Cut Bank, Shelby, Sunburst, Brady, Conrad,
Bynum, Choteau, Augusta, Fairfield, and Dutton
157 PM MST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY...

* WHAT...Heavy snow and blowing snow. Additional snow
  accumulations of 10 to 14 inches. Localized amounts up to 20
  inches in the mountains.

* WHERE...Portions of north central Montana.

* WHEN...Until 5 AM MST Monday.

* ADDITIONAL DETAILS...Travel will be very difficult to
  impossible. Winds gusting as high as 30 mph will cause
  widespread blowing and drifting snow, especially overnight
  tonight. The dangerously cold wind chills as low as 35 below
  zero on Sunday could cause frostbite on exposed skin in as
  little as 10 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.

&&

$$

MTZ011>013-045-047-050-051-054-181300-
/O.CON.KTFX.WS.W.0005.000000T0000Z-180219T1200Z/
Hill-Cascade-Chouteau-Liberty-Blaine-Judith Basin-Fergus-Meagher-
Including the following locations Havre, Rocky Boy, Rudyard,
Great Falls, Cascade, Belt, Kings Hill Pass, Fort Benton, Carter,
Big Sandy, Chester, Whitlash, Chinook, Harlem, Hays, Raynesford,
Stanford, Hobson, Lewistown, Winifred, Lewistown Divide,
Grass Range, Martinsdale, and White Sulphur Springs
157 PM MST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY...

* WHAT...Heavy snow and blowing snow. Additional snow
  accumulations of 5 to 8 inches. Localized amounts up to 15
  inches in the mountains.

* WHERE...Portions of central and north central Montana.

* WHEN...Until 5 AM MST Monday.

* ADDITIONAL DETAILS...Plan on difficult travel conditions. Winds
  gusting as high as 30 mph will cause areas of blowing and
  drifting snow tonight. The cold wind chills as low as 30 below
  zero on Sunday 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.

&&

$$

MTZ008-015-052-053-055-181300-
/O.CON.KTFX.WW.Y.0076.000000T0000Z-180219T1200Z/
Beaverhead-Madison-Jefferson-Broadwater-Gallatin-
Including the following locations Big Hole Pass, Wisdom, Dillon,
Chief Joseph Pass, Monida Pass, Wise River, Ennis, Norris Hill,
Raynolds Pass, Twin Bridges, Virginia City, Montana City,
Boulder, Boulder Hill, Elk Park Pass, Homestake Pass, Whitehall,
Toston, Townsend, Bozeman, West Yellowstone, Battle Ridge Pass,
Bozeman Pass, and Targhee Pass
157 PM MST Sat Feb 17 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
MONDAY...

* WHAT...Periods of snow and blowing snow. Snow accumulations of 3
  to 7 inches, with localized amounts up to 16 inches in the
  mountains. Wind gusts to 55 mph may accompany a band of brief
  but intense snow this evening

* WHERE...Beaverhead, Madison, Jefferson, Broadwater and
  Gallatin.

* WHEN...Until 5 AM MST Monday.

* ADDITIONAL DETAILS...Plan on difficult travel conditions. Winds
  gusting as high as 40 mph will cause widespread blowing and
  drifting snow. The cold wind chills as low as 25 below zero on
  Sunday could cause frostbite on exposed skin in as little as 30
  minutes.

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.

&&

$$

http://www.weather.gov/greatfalls



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