974
WWUS75 KBYZ 180840
NPWBYZ
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
140 AM MST THU DEC 18 2025
MTZ029-030-034-042-056-057-063-067-068-139-141-170>173-228-235-
WYZ198-180945-
/O.EXP.KBYZ.HW.W.0016.000000T0000Z-251218T0900Z/
MUSSELSHELL-TREASURE-NORTHERN STILLWATER-GOLDEN VALLEY-RED LODGE
FOOTHILLS-NORTHERN BIG HORN-JUDITH GAP-ABSAROKA/BEARTOOTH
MOUNTAINS-CRAZY MOUNTAINS-SOUTHEASTERN CARBON-NORTHERN SWEET
GRASS-NORTHERN CARBON-PRYOR/NORTHERN BIGHORN MOUNTAINS-MELVILLE
FOOTHILLS-NORTHEASTERN YELLOWSTONE-SOUTHERN WHEATLAND-
SOUTHWESTERN YELLOWSTONE-NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF CROW AGENCY, MELVILLE, LAVINA, BURGESS
JUNCTION, ABSAROKEE, STORY, ROUNDUP, ALPINE, JARDINE, JUDITH GAP, RED
LODGE, HARDIN, POMPEYS PILLAR, SILVER GATE, CUSTER, RYEGATE, BIG
TIMBER, JOLIET, COOKE CITY, FROMBERG, BILLINGS, HYSHAM, COLUMBUS,
BRIDGER, HARLOWTON, AND MYSTIC LAKE
140 AM MST THU DEC 18 2025
..HIGH WIND WARNING WILL EXPIRE AT 2 AM MST EARLY THIS MORNING
THE STRONGEST WINDS HAVE COME TO AN END. GUSTY WINDS WILL CONTINUE TO
DECREASE THROUGH THE NIGHT.
MTZ138-169-WYZ199-181200-
/O.EXT.KBYZ.HW.W.0016.000000T0000Z-251218T1200Z/
SOUTHERN BIG HORN-BIGHORN CANYON-SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF FORT SMITH, SHERIDAN, PRYOR, AND LODGE
GRASS
140 AM MST THU DEC 18 2025
...HIGH WIND WARNING NOW IN EFFECT UNTIL 5 AM MST EARLY THIS
MORNING...
* WHAT...NORTHWEST WINDS WITH GUSTS UP TO 65 MPH OCCURRING.
* WHERE...IN MONTANA, BIGHORN CANYON AND SOUTHERN BIG HORN. IN
WYOMING, SHERIDAN FOOTHILLS.
* WHEN...UNTIL 5 AM MST EARLY THIS MORNING.
* IMPACTS...DAMAGING WINDS MAY BLOW DOWN TREES AND POWER LINES.
TRAVEL WILL BE DIFFICULT, ESPECIALLY FOR HIGH PROFILE VEHICLES.
THIS INCLUDES TRAVEL ON I-90 THROUGH SHERIDAN. SECURE LOOSE OUTDOOR
ITEMS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND
OR DAMAGED BY THE WIND.
MTZ031>033-036-037-058-181200-
/O.CON.KBYZ.HW.W.0016.000000T0000Z-251218T1200Z/
NORTHERN ROSEBUD-CUSTER-FALLON-POWDER RIVER-CARTER-SOUTHERN
ROSEBUD-
INCLUDING THE LOCATIONS OF LAME DEER, MILES CITY, COLSTRIP, BAKER,
BROADUS, EKALAKA, AND FORSYTH
140 AM MST THU DEC 18 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS
MORNING...
* WHAT...NORTHWEST WINDS GUSTING 60 TO 75 MPH OCCURRING.
* WHERE...A PORTION OF SOUTHEAST MONTANA.
* WHEN...UNTIL 5 AM MST EARLY THIS MORNING.
* IMPACTS...DAMAGING WINDS MAY BLOW DOWN TREES AND POWER LINES.
TRAVEL WILL BE DIFFICULT, ESPECIALLY FOR HIGH PROFILE VEHICLES.
SECURE LOOSE OUTDOOR ITEMS.
* ADDITIONAL DETAILS...AREAS OF LIGHT SNOW ARE EXPECTED TONIGHT,
WHICH COMBINED WITH THE STRONG WINDS COULD LEAD TO BLOWING SNOW AND
REDUCED VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND
OR DAMAGED BY THE WIND.
ADDITIONAL GRAPHICS FOR THIS HAZARD CAN BE FOUND AT
HTTP://WWW.WEATHER.GOV/BILLINGS
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