171
WWUS45 KTFX 210807
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
207 AM MDT Tue May 21 2024

MTZ307-322-327-329-220015-
/O.CON.KTFX.WS.A.0014.240523T0000Z-240523T1800Z/
Southern Rocky Mountain Front-Elkhorn and Boulder Mountains-
Northwest Beaverhead County-Ruby Mountains and Southern
Beaverhead Mountains-
Including the following locations: Wickes, Homestake Pass, Chief
Joseph Pass, Rogers Pass, Montana City, Monida Pass, Boulder,
Clancy, Dewey, Elk Park Pass, Big Hole Pass, Corbin, Wisdom, and
Wise River
207 AM MDT Tue May 21 2024

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING
THROUGH THURSDAY MORNING...

* WHAT...Heavy wet snow possible. Total snow accumulations of 4 to
  12 inches possible, around and above pass level.

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

* WHEN...From Wednesday evening through Thursday morning.

* IMPACTS...Travel could be very difficult to impossible and tire
  chains may be required for some vehicles. Those in the backcountry
  should ensure they have appropriate knowledge and gear and may
  want to consider alternate plans.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

MTZ320-220015-
/O.CON.KTFX.WS.A.0014.240523T0000Z-240524T0000Z/
Big Belt, Bridger and Castle Mountains-
Including the following locations: Battle Ridge Pass, Trident,
Bozeman Pass, Deep Creek Pass, and Maudlow
207 AM MDT Tue May 21 2024

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING
THROUGH THURSDAY AFTERNOON...

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

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

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

* IMPACTS...Travel could be very difficult to impossible and tire
  chains may be required for some vehicles. Those in the backcountry
  should ensure they have appropriate knowledge and gear and may
  want to consider alternate plans.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

MTZ330-220015-
/O.CON.KTFX.WS.A.0014.240523T0000Z-240524T0000Z/
Gallatin and Madison County Mountains and Centennial Mountains-
Including the following locations: Targhee Pass, Raynolds Pass,
Big Sky, and West Yellowstone
207 AM MDT Tue May 21 2024

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING
THROUGH THURSDAY AFTERNOON...

* WHAT...Heavy wet snow possible. 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 Wednesday evening through Thursday afternoon.

* 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 dangerous conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

AM