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WWUS45 KTFX 280232

WSWTFX



URGENT - WINTER WEATHER MESSAGE

National Weather Service Great Falls MT

832 PM MDT Sun Apr 27 2025



MTZ330-281745-

/O.CON.KTFX.WS.W.0011.000000T0000Z-250428T1800Z/

Gallatin and Madison County Mountains and Centennial Mountains-

Including the following locations: Targhee Pass, West

Yellowstone, Raynolds Pass, and Big Sky

832 PM MDT Sun Apr 27 2025



...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY...



* WHAT...Heavy snow expected. Total snow accumulations up to 9 

  inches at and below pass level, with isolated higher amounts.



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

  Mountains.



* WHEN...Until noon MDT Monday.



* IMPACTS...The weight of snow on tree limbs and power lines could 

  lead to tree damage and cause sporadic power outages. Tire chains 

  may be required for some vehicles if traveling through mountain 

  passes.



* ADDITIONAL DETAILS...Snow levels will vary quite significantly 

  across the area, resulting in significant north to south 

  discrepancies in amounts across similar elevations. Areas most 

  favored for the heaviest snow are across the Tobacco Roots and 

  northern Madison and Gallatin ranges. The snow is forecast to be a 

  heavy and wet variety, which will be difficult to shovel.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



$$



MTZ320-281745-

/O.CON.KTFX.WW.Y.0036.250428T0600Z-250428T1800Z/

Big Belt, Bridger and Castle Mountains-

Including the following locations: Maudlow, Trident, Bozeman

Pass, Battle Ridge Pass, and Deep Creek Pass

832 PM MDT Sun Apr 27 2025



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

TO NOON MDT MONDAY...



* WHAT...Snow expected. Total snow accumulations of 2 to 5 inches at 

  and below pass level, with higher amounts above pass level. Winds 

  gusting as high as 45 mph.



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



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



* IMPACTS...The weight of snow on tree limbs and power lines could 

  lead to tree damage and cause sporadic power outages. Tire chains 

  may be required for some vehicles if traveling through mountain 

  passes.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



$$



MTZ325-326-281745-

/O.CON.KTFX.WW.Y.0036.250428T0600Z-250428T1800Z/

Madison River Valley-Gallatin Valley-

Including the following locations: McAllister, Jeffers, Norris,

Cameron, Gallatin Gateway, Bozeman, and Ennis

832 PM MDT Sun Apr 27 2025



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

TO NOON MDT MONDAY...



* WHAT...Snow expected. Total snow accumulations of 1 to 3 inches, 

  with isolated higher amounts. Winds gusting as high as 35 mph.



* WHERE...Gallatin Valley and Madison River Valley.



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



* IMPACTS...The weight of snow on tree limbs and power lines could 

  lead to tree damage and cause sporadic power outages. Slushy road 

  conditions could impact the Monday morning commute.



* ADDITIONAL DETAILS...Heavy precipitation rates through the evening 

  hours tonight will help to lower snow levels to the valley floors 

  by the early morning hours on Monday.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



$$



IG