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Winter Storm Warning


URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
934 AM MDT Wed May 22 2024

MTZ307-315-322-327-329-230030-
/O.CON.KTFX.WS.W.0016.240523T0000Z-240523T1800Z/
Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass-
Elkhorn and Boulder Mountains-Northwest Beaverhead County-Ruby
Mountains and Southern Beaverhead Mountains-
Including the following locations: Dewey, Wise River, Clancy,
Wisdom, Rogers Pass, Chief Joseph Pass, Elk Park Pass, Montana
City, Flesher Pass, Lincoln, MacDonald Pass, Corbin, Marysville,
Homestake Pass, Wickes, Big Hole Pass, Boulder, and Monida Pass
934 AM MDT Wed May 22 2024

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
NOON MDT THURSDAY...

* WHAT...Heavy, wet snow expected. Total snow accumulations between
  2 and 6 inches below pass level, with 5 to 12 inches at and above
  pass level.

* WHERE...Elkhorn and Boulder Mountains, Upper Blackfoot and
  MacDonald Pass, Southern Rocky Mountain Front, Northwest
  Beaverhead County, and Ruby Mountains and Southern Beaverhead
  Mountains.

* WHEN...From 6 PM this evening to noon MDT Thursday.

* IMPACTS...Travel could be very difficult and tire chains may be
  required for some vehicles. Those in the backcountry should ensure
  they are prepared for cold and raw conditions.

* ADDITIONAL DETAILS...Heavy, wet snow may cause damage to trees and
  isolated power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions can
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
934 AM MDT Wed May 22 2024

MTZ317-230030-
/O.CON.KTFX.WS.W.0016.240523T0000Z-240524T0000Z/
Little Belt and Highwood Mountains-
Including the following locations: Monarch, Neihart, and Kings
Hill Pass
934 AM MDT Wed May 22 2024

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
6 PM MDT THURSDAY...

* WHAT...Heavy, wet snow expected. Total snow accumulations between
  4 and 10 inches.

* WHERE...Little Belt and Highwood Mountains.

* WHEN...From 6 PM this evening to 6 PM MDT Thursday.

* IMPACTS...Travel could be very difficult and tire chains may be
  required for some vehicles. Those in the backcountry should ensure
  they are prepared for cold and raw conditions.

* ADDITIONAL DETAILS...Heavy, wet snow may cause damage to trees and
  isolated power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions can
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
934 AM MDT Wed May 22 2024

MTZ318-230030-
/O.CON.KTFX.WS.W.0016.240523T1200Z-240524T0000Z/
Snowy and Judith Mountains-
934 AM MDT Wed May 22 2024

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM MDT
THURSDAY...

* WHAT...Heavy, wet snow expected. Total snow accumulations of 6 to
  12 inches in The Snowy Mountains.

* WHERE...Snowy and Judith Mountains.

* WHEN...From 6 AM to 6 PM MDT Thursday.

* IMPACTS...Travel could be very difficult to impossible and tire
  chains may be required for some vehicles. Those in the backcountry
  should ensure they are prepared for cold and raw conditions.


* ADDITIONAL DETAILS...Heavy, wet snow may cause damage to trees and
  isolated power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions can
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
934 AM MDT Wed May 22 2024

MTZ320-230030-
/O.CON.KTFX.WS.W.0016.240523T0000Z-240524T0000Z/
Big Belt, Bridger and Castle Mountains-
Including the following locations: Battle Ridge Pass, Trident,
Bozeman Pass, Deep Creek Pass, and Maudlow
934 AM MDT Wed May 22 2024

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
6 PM MDT THURSDAY...

* WHAT...Heavy, wet snow expected. Total snow accumulations of 6 to
  12 inches possible in the Bridger Mountains and at Deep Creek
  Pass. Up to 6 inches is expected at Bozeman Pass.

* WHERE...Big Belt, Bridger and Castle Mountains.

* WHEN...From 6 PM this evening to 6 PM MDT Thursday.

* IMPACTS...Travel could be very difficult to impossible and tire
  chains may be required for some vehicles. Those in the backcountry
  should ensure they are prepared for cold and raw conditions.

* ADDITIONAL DETAILS...Heavy, wet snow may cause damage to trees and
  isolated power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions can
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
934 AM MDT Wed May 22 2024

MTZ330-230030-
/O.CON.KTFX.WS.W.0016.240523T0000Z-240524T0000Z/
Gallatin and Madison County Mountains and Centennial Mountains-
Including the following locations: West Yellowstone, Targhee
Pass, Raynolds Pass, and Big Sky
934 AM MDT Wed May 22 2024

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
6 PM MDT THURSDAY...

* WHAT...Heavy, wet snow expected. Total snow accumulations of 3 to
  8 inches possible, around pass level. Total snow accumulation of 8
  to 16 inches expected on mountain peaks.

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

* WHEN...From 6 PM this evening to 6 PM MDT Thursday.

* IMPACTS...Travel could be very difficult to impossible and tire
  chains may be required for some vehicles. Those in the backcountry
  should ensure they are prepared for cold and raw conditions.

* ADDITIONAL DETAILS...Heavy, wet snow may cause damage to trees and
  isolated power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions can
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
825 AM MDT Wed May 22 2024

MTZ006-231430-
/O.UPG.KMSO.WS.A.0008.240523T0000Z-240523T1800Z/
/O.NEW.KMSO.WS.W.0009.240523T0000Z-240523T1800Z/
Bitterroot/Sapphire Mountains-
825 AM MDT Wed May 22 2024

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT
THURSDAY BITTERROOT/SAPPHIRE MOUNTAINS ABOVE 5000 FEET...

* WHAT...Heavy snow expected Bitterroot/Sapphire Mountains above
  5000 feet. Total snow accumulations between 4 and 19 inches. Snow
  rates will exceed 1 inch per hour at times. Snow amounts will vary
  considerably with changes in elevation.

* WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass.

* WHEN...From 6 PM this evening to noon MDT Thursday. The heaviest
  snow rates are expected midnight to seven am MDT.

* IMPACTS...Travel could be very difficult to impossible. The
  hazardous conditions could impact the Thursday morning commute.
  Heavy, wet snow accumulating on trees with their leaves out could
  weigh them down and cause significant tree damages and possibly
  power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
825 AM MDT Wed May 22 2024

MTZ007-231430-
/O.UPG.KMSO.WS.A.0008.240523T0000Z-240523T1800Z/
/O.NEW.KMSO.WS.W.0009.240523T0000Z-240523T1800Z/
Butte/Blackfoot Region-
825 AM MDT Wed May 22 2024

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT
THURSDAY BUTTE/BLACKFOOT REGION ABOVE 5000 FEET...

* WHAT...Heavy snow expected Butte/Blackfoot Region above 5000 feet.
  Total snow accumulations between 1 and 26 inches. Mountain passes
  and easily accessible areas should get less than a foot whereas
  higher elevations and more remote areas will receive the higher
  amounts. Snow rates will exceed 1 inch per hour at times. Snow
  amounts will vary considerably with changes in elevation.

* WHERE...MacDonald Pass, Butte, Homestake Pass, and Georgetown Lake.

* WHEN...From 6 PM this evening to noon MDT Thursday.

* IMPACTS...Travel could be very difficult to impossible. The
  hazardous conditions could impact the Thursday morning commute.
  Heavy, wet snow accumulating on trees with their leaves out could
  weigh them down and cause significant tree damages and possibly
  power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
237 AM MDT Wed May 22 2024

MTZ068-230845-
/O.UPG.KBYZ.WS.A.0012.240523T0000Z-240524T0600Z/
/O.NEW.KBYZ.WS.W.0013.240523T0000Z-240524T0600Z/
Crazy Mountains-
237 AM MDT Wed May 22 2024

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT
MDT THURSDAY NIGHT...

* WHAT...Heavy snow expected. Total snow accumulations between 1 and
  2 feet. Winds gusting as high as 35 mph.

* WHERE...Crazy Mountains.

* WHEN...From 6 PM this evening to midnight MDT Thursday Night.

* IMPACTS...Recreation in the high country could be impacted by
  heavy accumulating snow. Areas of blowing snow could significantly
  reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. If you
are going to the high country for recreation, be sure to let someone
know your plans in case you become stranded.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
237 AM MDT Wed May 22 2024

MTZ067-230845-
/O.UPG.KBYZ.WS.A.0012.240523T0000Z-240524T0600Z/
/O.NEW.KBYZ.WS.W.0013.240523T0000Z-240524T0600Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
237 AM MDT Wed May 22 2024

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT
MDT THURSDAY NIGHT...

* WHAT...Heavy snow expected. Total snow accumulations between 12
  and 18 inches. Winds gusting as high as 35 mph.

* WHERE...Absaroka/Beartooth Mountains.

* WHEN...From 6 PM this evening to midnight MDT Thursday Night.

* IMPACTS...Recreation in the high country could be impacted by
  heavy accumulating snow. Areas of blowing snow could significantly
  reduce visibility.

* ADDITIONAL DETAILS...Clearing activities over the Beartooth
  Highway will be impacted.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. If you
are going to the high country for recreation, be sure to let someone
know your plans in case you become stranded.

&&

$$

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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