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

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WWUS45 KTFX 172007
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
207 PM MDT Thu Apr 17 2025

MTZ330-180600-
/O.CAN.KTFX.WS.W.0010.000000T0000Z-250418T0600Z/
/O.NEW.KTFX.WW.Y.0035.250417T2007Z-250418T0600Z/
Gallatin and Madison County Mountains and Centennial Mountains-
Including the following locations: West Yellowstone, Targhee
Pass, Big Sky, and Raynolds Pass
207 PM MDT Thu Apr 17 2025

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Snow. Additional snow accumulations up to 3 inches, with up
  to 5 inches in the higher terrain. Winds gusting as high as 50 mph.

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

* WHEN...Until midnight MDT tonight.

* IMPACTS...Roads, and especially bridges and overpasses, will
  likely become slick and hazardous.

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.

Remember, a Winter Weather Advisory means that there is at least an
80% chance of minor impacts due to winter weather conditions during
the advisory period.

&&

$$

MTZ320-325-172115-
/O.CAN.KTFX.WS.W.0010.000000T0000Z-250418T0600Z/
Big Belt, Bridger and Castle Mountains-Madison River Valley-
Including the following locations: Norris, Battle Ridge Pass,
Jeffers, Trident, Ennis, Maudlow, Bozeman Pass, Deep Creek Pass,
Cameron, and McAllister
207 PM MDT Thu Apr 17 2025

...WINTER STORM WARNING IS CANCELLED...

Impactful snow accumulations have ended. Additional light snow will
continue to linger through the day, but warm pavements will allow
accumulations to remain on non pavement surfaces.

$$

MTZ322-324-326>329-172115-
/O.CAN.KTFX.WW.Y.0034.000000T0000Z-250418T0600Z/
Elkhorn and Boulder Mountains-Missouri Headwaters-Gallatin Valley-
Northwest Beaverhead County-Beaverhead and Western Madison below
6000ft-Ruby Mountains and Southern Beaverhead Mountains-
Including the following locations: Whitehall, Bannack, Waterloo,
Dewey, Montana City, Willow Creek, Gallatin Gateway, Three Forks,
Homestake Pass, Chief Joseph Pass, Wisdom, Boulder, Bozeman,
Clancy, Dillon, Monida Pass, Glen, Elk Park Pass, Corbin, Big
Hole Pass, Wickes, Harrison, Wise River, and Pony
207 PM MDT Thu Apr 17 2025

...WINTER WEATHER ADVISORY IS CANCELLED...

Impactful snow accumulations have ended. Additional light snow will
continue to linger through the day, but warm pavements will allow
accumulations to remain on non pavement surfaces.

$$

Wilson