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Cold Weather Advisory


URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
1252 PM MST Mon Jan 20 2025

MTZ322-211200-
/O.NEW.KTFX.CW.Y.0003.250121T0000Z-250121T1200Z/
Elkhorn and Boulder Mountains-
Including the following locations: Clancy, Corbin, Elk Park Pass,
Wickes, Homestake Pass, Montana City, and Boulder
1252 PM MST Mon Jan 20 2025

...COLD WEATHER ADVISORY IN EFFECT
FROM 5 PM THIS AFTERNOON TO 5 AM MST TUESDAY...

* WHAT...Very cold wind chills as low as 35 below expected.

* WHERE...Elkhorn and Boulder Mountains.

* WHEN...From 5 PM this afternoon to 5 AM MST Tuesday.

* IMPACTS...The dangerously cold wind chills as low as 35 below zero
  could cause frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
1252 PM MST Mon Jan 20 2025

MTZ330-211200-
/O.NEW.KTFX.CW.Y.0003.250121T0000Z-250121T1800Z/
Gallatin and Madison County Mountains and Centennial Mountains-
Including the following locations: Raynolds Pass, West
Yellowstone, Targhee Pass, and Big Sky
1252 PM MST Mon Jan 20 2025

...COLD WEATHER ADVISORY IN EFFECT
FROM 5 PM THIS AFTERNOON TO 11 AM MST TUESDAY...

* WHAT...Very cold wind chills as low as 40 below expected.

* WHERE...Gallatin and Madison County Mountains and Centennial
  Mountains.

* WHEN...From 5 PM this afternoon to 11 AM MST Tuesday.

* IMPACTS...The dangerously cold wind chills as low as 40 below zero
  could cause frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$

Brusda

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
746 PM MST Mon Jan 20 2025

WYZ001-211700-
/O.CON.KRIW.CW.Y.0001.000000T0000Z-250121T1700Z/
Yellowstone National Park-
Including the cities of Lake, Old Faithful, and Mammoth
746 PM MST Mon Jan 20 2025

...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST TUESDAY...

* WHAT...Very cold wind chill temperatures will drop to 20 to 30
  degrees below zero overnight.

* WHERE...Yellowstone National Park.

* WHEN...Until 10 AM MST Tuesday.

* IMPACTS...The dangerously cold wind chills as low as 30 below zero
  could cause frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extreme caution if you plan to be outdoors. Wear appropriate
clothing, a hat, and gloves.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
746 PM MST Mon Jan 20 2025

WYZ002-211800-
/O.CON.KRIW.HW.W.0001.250121T0900Z-250122T0000Z/
/O.CON.KRIW.CW.Y.0001.000000T0000Z-250121T1700Z/
Absaroka Mountains-
746 PM MST Mon Jan 20 2025

...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST TUESDAY...
...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TO 5 PM MST
TUESDAY...

* WHAT...For the Cold Weather Advisory, very cold wind chill
  temperatures will drop to 20 to 30 degrees below zero overnight.
  For the High Wind Warning, northwest winds will increase overnight
  with gusts 65 to 75 mph possible during the day Tuesday.

* WHERE...Absaroka Mountains.

* WHEN...For the Cold Weather Advisory, until 10 AM MST Tuesday. For
  the High Wind Warning, from 2 AM to 5 PM MST Tuesday.

* IMPACTS...Travel will be difficult, especially for high profile
  vehicles along Chief Joseph Highway. Strong winds can also result
  in blowing snow and reduced visibility. The dangerously cold wind
  chills as low as 30 below zero could cause frostbite on exposed
  skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extreme caution if you plan to be outdoors. Wear appropriate
clothing, a hat, and gloves.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
746 PM MST Mon Jan 20 2025

WYZ003-211800-
/O.UPG.KRIW.HW.A.0001.250121T1200Z-250122T0000Z/
/O.EXB.KRIW.HW.W.0001.250121T1200Z-250122T0000Z/
/O.CON.KRIW.CW.Y.0001.000000T0000Z-250121T1700Z/
Cody Foothills-
Including the cities of Cody, Clark, and Meeteetse
746 PM MST Mon Jan 20 2025

...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST TUESDAY...
...HIGH WIND WARNING IN EFFECT FROM 5 AM TO 5 PM MST TUESDAY...

* WHAT...For the Cold Weather Advisory, very cold wind chills as low
  as 20 to 30 below. For the High Wind Warning, west winds 20 to 30
  mph with gusts up to 55 mph expected.

* WHERE...Cody Foothills.

* WHEN...For the Cold Weather Advisory, until 10 AM MST Tuesday. For
  the High Wind Warning, from 5 AM to 5 PM MST Tuesday.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Travel will be difficult, especially for high profile vehicles.
  The dangerously cold wind chills as low as 20 below zero could
  cause frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain in the lower levels of your home during the windstorm, and
avoid windows. Watch for falling debris and tree limbs. Use caution
if you must drive.

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

Keep pets indoors as much as possible.

Make frequent checks on older family, friends, and neighbors. Ensure
portable heaters are used correctly. Do not use generators or grills
inside.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
746 PM MST Mon Jan 20 2025

WYZ004>007-010-011-016>020-022-211700-
/O.CON.KRIW.CW.Y.0001.000000T0000Z-250121T1700Z/
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn
Basin-Owl Creek and Bridger Mountains-Northeast Johnson County-
Southeast Johnson County-Upper Wind River Basin-Wind River Basin-
Lander Foothills-Green Mountains and Rattlesnake Range-Natrona
County Lower Elevations-Casper Mountain-
Including the cities of Powell, Worland, Jeffrey City, Basin,
Shoshoni, Shell, Thermopolis, Buffalo, Greybull, Dubois, Casper,
Ten Sleep, Riverton, Lander, Lovell, and Kaycee
746 PM MST Mon Jan 20 2025

...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST TUESDAY...

* WHAT...Very cold wind chill temperatures will drop to 20 to 30
  degrees below zero overnight.

* WHERE...Green Mountains and Rattlesnake Range, Lander Foothills,
  Natrona County Lower Elevations, Southwest Bighorn Basin, Wind
  River Basin, Northeast Johnson County, Southeast Bighorn Basin,
  Southeast Johnson County, Cody Foothills, and North Bighorn Basin.

* WHEN...Until 10 AM MST Tuesday.

* IMPACTS...The dangerously cold wind chills as low as 30 below zero
  could cause frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extreme caution if you plan to be outdoors. Wear appropriate
clothing, a hat, and gloves.

Keep pets indoors as much as possible.

Make frequent checks on older family, friends, and neighbors. Ensure
portable heaters are used correctly. Do not use generators or grills
inside.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
746 PM MST Mon Jan 20 2025

WYZ008-009-211200-
/O.CON.KRIW.CW.Y.0001.000000T0000Z-250121T1200Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
746 PM MST Mon Jan 20 2025

...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY...

* WHAT...Very cold wind chill temperatures will drop to 25 to 35
  degrees below zero after sunset.

* WHERE...Bighorn Mountains. This includes Powder River Pass and
  Granite Pass.

* WHEN...Until 5 AM MST Tuesday.

* IMPACTS...The dangerously cold wind chills as low as 40 below zero
  could cause frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extreme caution if you plan to be outdoors. Wear appropriate
clothing, a hat, and gloves.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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