WWA Summary for All Issued by MSO

High Wind Warning

URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
1236 AM MST Sun Feb 8 2026

MTZ301>303-307-308-081700-
/O.CON.KTFX.HW.W.0008.000000T0000Z-260208T1700Z/
East Glacier Park Region-Northern High Plains-Eastern Glacier,
Western Toole, and Central Pondera-Southern Rocky Mountain Front-
Southern High Plains-
Including the following locations: Bynum, Rogers Pass, Pendroy,
Heart Butte, Cut Bank, East Glacier Park, Browning, Kiowa,
Choteau, Marias Pass, Ethridge, Dupuyer, Saint Mary, Santa Rita,
Logan Pass, and Babb
1236 AM MST Sun Feb 8 2026

...HIGH WIND WARNING REMAINS IN EFFECT
UNTIL 10 AM MST THIS MORNING...

* WHAT...Southwest winds 35 to 45 mph, with gusts up to 75 mph.

* WHERE...The Rocky Mountain Front and adjacent foothills and
  plains, and Eastern Glacier, Western Toole, and Central Pondera
  Counties.

* WHEN...Until 10 AM MST this morning.

* IMPACTS...Travel could be difficult, especially for high profile
  vehicles. Blowing dust could significantly reduce visibility at
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People are urged to secure loose objects that could be blown around
or damaged by the wind.

&&

$$

Brusda

Winter Weather Advisory

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
114 AM MST Sun Feb 8 2026

WYZ001-090000-
/O.NEW.KRIW.WW.Y.0005.260209T0000Z-260210T0000Z/
Yellowstone National Park-
Including the cities of Old Faithful, Mammoth, and Lake
114 AM MST Sun Feb 8 2026

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5
PM MST MONDAY...

* WHAT...Snow expected. Total snow accumulations of 7 to 12 inches
  across much of Yellowstone National Park, including the south and
  east park entrances. Isolated higher amounts up to 15 inches are
  possible over the highest terrain. Accumulations of 1 to 5 inches
  near Mammoth. Gusty 25 to 35 mph winds are expected.

* WHERE...Yellowstone National Park.

* WHEN...From 5 PM this afternoon to 5 PM MST Monday.

* IMPACTS...Travel could be difficult.

* ADDITIONAL DETAILS...The period of heaviest snowfall is forecast
  to occur between 11PM Sunday and 11AM Monday with snow rates up to
  1 inch per hour possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1234 AM MST Sun Feb 8 2026

MTZ301-307-090000-
/O.NEW.KTFX.WW.Y.0005.260209T0000Z-260209T1800Z/
East Glacier Park Region-Southern Rocky Mountain Front-
Including the following locations: Rogers Pass, East Glacier
Park, Kiowa, Marias Pass, Saint Mary, Logan Pass, and Babb
1234 AM MST Sun Feb 8 2026

...WINTER WEATHER ADVISORY IN EFFECT
FROM 5 PM THIS AFTERNOON TO 11 AM MST MONDAY...

* WHAT...Snow expected. Total snow accumulations between 3 and 5
  inches. Isolated snowfall accumulations near 12 inches at ridge
  tops.

* WHERE...The Continental Divide along the Rocky Mountain Front.

* WHEN...From 5 PM this afternoon to 11 AM MST Monday.

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

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.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1234 AM MST Sun Feb 8 2026

MTZ317-090000-
/O.NEW.KTFX.WW.Y.0005.260209T0000Z-260209T1800Z/
Little Belt and Highwood Mountains-
Including the following locations: Kings Hill Pass, Neihart, and
Monarch
1234 AM MST Sun Feb 8 2026

...WINTER WEATHER ADVISORY IN EFFECT
FROM 5 PM THIS AFTERNOON TO 11 AM MST MONDAY...

* WHAT...Snow expected. Total snow accumulations between 3 and 6
  inches.

* WHERE...Little Belt and Highwood Mountains.

* WHEN...From 5 PM this afternoon to 11 AM MST Monday.

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

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.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1234 AM MST Sun Feb 8 2026

MTZ327-090000-
/O.NEW.KTFX.WW.Y.0005.260209T0000Z-260209T1800Z/
Northwest Beaverhead County-
Including the following locations: Wise River, Wisdom, Big Hole
Pass, Chief Joseph Pass, and Dewey
1234 AM MST Sun Feb 8 2026

...WINTER WEATHER ADVISORY IN EFFECT
FROM 5 PM THIS AFTERNOON TO 11 AM MST MONDAY...

* WHAT...Snow expected. Total snow accumulations 3 to 6 inches.
  Isolated snowfall accumulations near 12 inches at ridge tops.

* WHERE...Northwest Beaverhead County.

* WHEN...From 5 PM this afternoon to 11 AM MST Monday.

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

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.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1234 AM MST Sun Feb 8 2026

MTZ330-090000-
/O.NEW.KTFX.WW.Y.0005.260209T0000Z-260209T1800Z/
Gallatin and Madison County Mountains and Centennial Mountains-
Including the following locations: West Yellowstone, Raynolds
Pass, Big Sky, and Targhee Pass
1234 AM MST Sun Feb 8 2026

...WINTER WEATHER ADVISORY IN EFFECT
FROM 5 PM THIS AFTERNOON TO 11 AM MST MONDAY...

* WHAT...Snow expected. Total snow accumulations 2 to 5 inches.
  Isolated snowfall accumulations near 10 inches at ridge tops.

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

* WHEN...From 5 PM this afternoon to 11 AM MST Monday.

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

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.

&&

$$

Brusda

Wind Advisory

URGENT - WEATHER MESSAGE
National Weather Service Billings MT
912 PM MST Sat Feb 7 2026

MTZ065-066-090415-
/O.CON.KBYZ.WI.Y.0007.000000T0000Z-260209T1200Z/
Livingston Area-Beartooth Foothills-
Including the locations of Nye, Dean, Limestone, Fishtail, Mc Leod,
and Livingston
912 PM MST Sat Feb 7 2026

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY...

* WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph
  expected.

* WHERE...Beartooth Foothills and Livingston Area.

* WHEN...Until 5 AM MST Monday.

* IMPACTS...Strong crosswinds will make travel difficult along
  Interstate 90 from Livingston to Big Timber and roads along the
  Beartooth Foothills. Warm, dry, and windy conditions could enhance
  fire spread in wildland grasses. Use caution with any burning
  activities Sunday.

* ADDITIONAL DETAILS...The strongest winds are expected Sunday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution and consider postponing travel
until winds subside, or take an alternate route.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Tesar

Air Stagnation Advisory

URGENT - WEATHER MESSAGE
National Weather Service Boise ID
1222 PM MST Sat Feb 7 2026

IDZ012-014-016-033-ORZ064-081700-
/O.CON.KBOI.AS.Y.0003.000000T0000Z-260208T1700Z/
Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley-
Upper Weiser River-Oregon Lower Treasure Valley-
Including the cities of Glendale, Caldwell, Indian Valley, Mesa,
Cambridge, Boise, Nampa, Fruitvale, Twin Falls, Goodrich,
Council, Nyssa, and Ontario
1222 PM MST Sat Feb 7 2026 /1122 AM PST Sat Feb 7 2026/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST /9 AM
PST/ SUNDAY...

* WHAT...High pressure aloft with light surface winds and little
  vertical mixing will continue the period of stagnant air through
  tomorrow morning. This is due to an inversion near the surface
  that will continue to trap pollutants.

* WHERE...Portions of south central and southwest Idaho and
  southeast Oregon.

* WHEN...Until 10 AM MST /9 AM PST/ Sunday.

* IMPACTS...Poor air quality may cause issues for people with
  respiratory problems.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illness should follow their physicians
advice for dealing with high levels of air pollution during periods
of stagnant air.

&&

$$

SA