Winter Storm Warning/Watch/Advisory

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Note:  Be sure to pay close attention to the date and time of each warning.    
This document contains all warnings in the state so please read the
complete document.
 
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WWUS45 KBYZ 052020

WSWBYZ



URGENT - WINTER WEATHER MESSAGE

National Weather Service Billings MT

220 PM MDT Sun May 5 2024



WYZ198-062030-

/O.UPG.KBYZ.WS.A.0009.240506T1200Z-240507T1800Z/

/O.NEW.KBYZ.WW.Y.0023.240506T0600Z-240507T0600Z/

Northeast Bighorn Mountains-

Including the locations of Burgess Jct and Story

220 PM MDT Sun May 5 2024



...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 

MIDNIGHT MDT MONDAY NIGHT...



* WHAT...Snow expected. Total snow accumulations up to 8 inches. 

  Winds gusting as high as 65 mph creating near Blizzard conditions.



* WHERE...Northeast Bighorn Mountains.



* WHEN...From midnight tonight to midnight MDT Monday Night.



* IMPACTS...Travel could be very difficult on Highway 14. The 

  combination of heavy snow, poor visibility, and blowing snow may 

  make outdoor recreation activities dangerous at times. Expect high 

  elevation roads to become slick and snow covered by late tonight.



* ADDITIONAL DETAILS...If you are planning travel to the high 

  country for recreation during the watch period, please let someone 

  know your plans in case you become stranded.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Slow down and use caution while traveling. For the latest road 

conditions, call 5 1 1.



&&



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Additional graphics for this hazard can be found at

http://www.weather.gov/billings



Chambers



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WWUS45 KMSO 051528

WSWMSO



URGENT - WINTER WEATHER MESSAGE

National Weather Service Missoula MT

928 AM MDT Sun May 5 2024



IDZ010-061800-

/O.NEW.KMSO.WW.Y.0038.240506T0300Z-240506T1800Z/

Eastern Lemhi County-

928 AM MDT Sun May 5 2024



...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO NOON 

MDT MONDAY EASTERN LEMHI COUNTY ABOVE 5000 FEET...



* WHAT...Snow expected Eastern Lemhi County above 5000 feet. Total 

  snow accumulations 2 to 6 inches for Lost Trail Pass and Gilmore 

  Summit and 8 to 12 inches in the higher terrain. Winds gusting as 

  high as 30 mph.



* WHERE...Highway 28 Leadore to Lone Pine, Highway 93 Lost Trail 

  Pass to Gibbonsville, and Bannock Pass.



* WHEN...From 9 PM this evening to noon MDT Monday.



* IMPACTS...Travel could be affected. 



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Slow down and use caution while traveling. The latest road 

conditions for the state you are calling from can be obtained by 

calling 5 1 1.



&&



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WWUS45 KTFX 051940

WSWTFX



URGENT - WINTER WEATHER MESSAGE

National Weather Service Great Falls MT

140 PM MDT Sun May 5 2024



MTZ317-061200-

/O.UPG.KTFX.WS.A.0013.240507T1200Z-240509T1800Z/

/O.NEW.KTFX.WS.W.0015.240507T1800Z-240509T0600Z/

Little Belt and Highwood Mountains-

Including the following locations: Neihart, Kings Hill Pass, and

Monarch

140 PM MDT Sun May 5 2024



...WINTER STORM WARNING IN EFFECT FROM NOON TUESDAY TO MIDNIGHT MDT 

WEDNESDAY NIGHT...



* WHAT...Heavy snow expected. Total snow accumulations between 1 and 

  2 feet, with isolated amounts approaching 3 feet over the highest 

  peaks. Winds gusting as high as 55 mph.



* WHERE...Little Belt and Highwood Mountains.



* WHEN...From noon Tuesday to midnight MDT Wednesday Night.



* IMPACTS...Travel could be very difficult to impossible. Those in 

  the backcountry should ensure they have appropriate knowledge and 

  gear and may want to consider alternate plans. Widespread blowing 

  snow could significantly reduce visibility. The combination of 

  heavy, wet snow and strong winds could cause extensive damage to 

  trees and power lines.



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.



To see a graphical representation of the degree of stress on young 

livestock please visit our webpage and select Local Programs then 

Cold Air Advisory for Newborn Livestock.



&&



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MTZ327-329-330-061200-

/O.CON.KTFX.WW.Y.0029.240506T0300Z-240506T1800Z/

Northwest Beaverhead County-Ruby Mountains and Southern

Beaverhead Mountains-Gallatin and Madison County Mountains and

Centennial Mountains-

Including the following locations: Dewey, Big Hole Pass, Targhee

Pass, Raynolds Pass, Big Sky, Chief Joseph Pass, Wise River,

Wisdom, West Yellowstone, and Monida Pass

140 PM MDT Sun May 5 2024



...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING 

TO NOON MDT MONDAY...



* WHAT...Snow expected. Total snow accumulations up to 6 inches. 

  Winds gusting as high as 45 mph.



* WHERE...The Mountains of Southwestern Montana south of Interstate 

  90.



* WHEN...From 9 PM this evening to noon MDT Monday.



* IMPACTS...Plan on slippery road conditions and reduced visibility 

  at times.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Slow down and use caution while traveling. The latest road 

conditions can be obtained by calling 5 1 1 or visiting the MDT Road 

Report website.



To see a graphical representation of the degree of stress on young 

livestock please visit our webpage and select Local Programs then 

Cold Air Advisory for Newborn Livestock.



&&



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MTZ301-061200-

/O.EXB.KTFX.WS.A.0013.240507T1800Z-240509T0600Z/

East Glacier Park Region-

Including the following locations: Logan Pass, Marias Pass, Babb,

East Glacier Park, Kiowa, and Saint Mary

140 PM MDT Sun May 5 2024



...WINTER STORM WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH 

WEDNESDAY EVENING...



* WHAT...Heavy snow possible. Total snow accumulations between 2 and 

  6 across the valleys, with 6 to 12 inches over Marias Pass and 

  Hudson Bay Divide are possible. Winds could gust as high as 50 mph.



* WHERE...East Glacier Park Region Zone.



* WHEN...From Tuesday afternoon through Wednesday evening.



* IMPACTS...Travel could be very difficult to impossible. Those in 

  the backcountry should ensure they have appropriate knowledge and 

  gear and may want to consider alternate plans. The combination of 

  heavy, wet snow and gusty winds could bring down tree branches.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Monitor the latest forecasts for updates on this situation.



To see a graphical representation of the degree of stress on young 

livestock please visit our webpage and select Local Programs then 

Cold Air Advisory for Newborn Livestock.



&&



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MTZ318-320-061200-

/O.EXT.KTFX.WS.A.0013.240507T1800Z-240509T0600Z/

Snowy and Judith Mountains-Big Belt, Bridger and Castle Mountains-

Including the following locations: Bozeman Pass, Trident,

Maudlow, Battle Ridge Pass, and Deep Creek Pass

140 PM MDT Sun May 5 2024



...WINTER STORM WATCH NOW IN EFFECT FROM TUESDAY AFTERNOON THROUGH 

WEDNESDAY EVENING...



* WHAT...Heavy snow possible. Total snow accumulations between 7 and 

  14 inches over mountain passes, with up to 28 inches over the 

  higher peaks are possible. Winds could gust as high as 55 mph.



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

  Judith Mountains.



* WHEN...From Tuesday afternoon through Wednesday evening.



* IMPACTS...Travel could be very difficult to impossible. Those in 

  the backcountry should ensure they have appropriate knowledge and 

  gear and may want to consider alternate plans. The combination of 

  heavy, wet snow and strong winds could cause extensive damage to 

  trees and power lines.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Monitor the latest forecasts for updates on this situation.



To see a graphical representation of the degree of stress on young 

livestock please visit our webpage and select Local Programs then 

Cold Air Advisory for Newborn Livestock.



&&



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Moldan



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