030
WWUS75 KBYZ 181153
NPWBYZ
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
453 AM MST THU DEC 18 2025
MTZ138-169-WYZ199-191200-
/O.EXP.KBYZ.HW.W.0016.000000T0000Z-251218T1200Z/
/O.CON.KBYZ.HW.A.0015.251219T0300Z-251219T2100Z/
SOUTHERN BIG HORN-BIGHORN CANYON-SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF FORT SMITH, SHERIDAN, PRYOR, AND LODGE
GRASS
453 AM MST THU DEC 18 2025
...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...
* WHAT...SOUTHWEST TO WEST WINDS WITH GUSTS OF 50 TO 65 MPH POSSIBLE.
* WHERE...IN MONTANA, BIGHORN CANYON AND SOUTHERN BIG HORN. IN
WYOMING, SHERIDAN FOOTHILLS.
* WHEN...FROM THIS EVENING THROUGH FRIDAY AFTERNOON.
* IMPACTS...DAMAGING WINDS COULD BLOW DOWN TREES AND POWER LINES.
TRAVEL COULD BE DIFFICULT, ESPECIALLY FOR HIGH PROFILE VEHICLES.
THIS INCLUDES TRAVEL ON I-90 THROUGH SHERIDAN. SECURE LOOSE OUTDOOR
ITEMS.
* ADDITIONAL DETAILS...WINDS TONIGHT AND FRIDAY MORNING COULD BE
ERRATIC, WITH PERIODIC STRONG WINDS SURGING DOWN THE MOUNTAIN
SLOPES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
MTZ031>033-036-037-058-181300-
/O.EXP.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
453 AM MST THU DEC 18 2025
..HIGH WIND WARNING WILL EXPIRE AT 5 AM MST EARLY THIS MORNING
THE STRONGEST WINDS ARE COMING TO AN END. GUSTY NORTHWEST WINDS WILL
CONTINUE DECREASING THROUGH THE MORNING. BLOWING SNOW COULD BRING
LOCALIZED VISIBILITY REDUCTIONS.
MTZ065-066-191200-
/O.CON.KBYZ.HW.W.0017.251218T2100Z-251219T2100Z/
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF FISHTAIL, MC LEOD, LIVINGSTON, NYE,
LIMESTONE, AND DEAN
453 AM MST THU DEC 18 2025
...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2
PM MST FRIDAY...
* WHAT...SOUTHWEST WINDS WITH GUSTS TO 75 MPH EXPECTED.
* WHERE...BEARTOOTH FOOTHILLS AND LIVINGSTON AREA.
* WHEN...FROM 2 PM THIS AFTERNOON TO 2 PM MST FRIDAY.
* IMPACTS...STRONG CROSSWINDS WILL MAKE TRAVEL DIFFICULT ALONG
INTERSTATE 90 FROM LIVINGSTON TO BIG TIMBER AND ROADS ALONG THE
BEARTOOTH FOOTHILLS.
* ADDITIONAL DETAILS...STRONGEST WINDS CAN BE EXPECTED TONIGHT INTO
FRIDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND
OR DAMAGED BY THE WIND.
MTZ141-172-191200-
/O.CON.KBYZ.HW.W.0017.251219T0300Z-251219T2100Z/
NORTHERN SWEET GRASS-MELVILLE FOOTHILLS-
INCLUDING THE LOCATIONS OF BIG TIMBER AND MELVILLE
453 AM MST THU DEC 18 2025
...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM
MST FRIDAY...
* WHAT...SOUTHWEST TO WEST WINDS WITH GUSTS UP TO 65 MPH EXPECTED.
* WHERE...MELVILLE FOOTHILLS AND NORTHERN SWEET GRASS.
* WHEN...FROM 8 PM THIS EVENING TO 2 PM MST FRIDAY.
* IMPACTS...STRONG CROSSWINDS WILL MAKE TRAVEL DIFFICULT ALONG
HIGHWAY 191.
* ADDITIONAL DETAILS...STRONGEST WINDS CAN BE EXPECTED TONIGHT INTO
FRIDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND
OR DAMAGED BY THE WIND.
MTZ056-191200-
/O.CON.KBYZ.HW.A.0015.251219T0300Z-251219T1800Z/
RED LODGE FOOTHILLS-
INCLUDING THE LOCATIONS OF RED LODGE
453 AM MST THU DEC 18 2025
...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY
MORNING...
* WHAT...SOUTHWEST TO WEST WINDS WITH GUSTS UP TO 65 MPH POSSIBLE.
* WHERE...RED LODGE FOOTHILLS.
* WHEN...FROM THIS EVENING THROUGH FRIDAY MORNING.
* IMPACTS...DAMAGING WINDS COULD BLOW DOWN TREES AND POWER LINES.
TRAVEL COULD BE DIFFICULT, ESPECIALLY FOR HIGH PROFILE VEHICLES.
* ADDITIONAL DETAILS...WINDS TONIGHT AND FRIDAY MORNING COULD BE
ERRATIC, WITH PERIODIC STRONG WINDS SURGING DOWN THE MOUNTAIN
SLOPES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
MTZ063-228-191200-
/O.CON.KBYZ.HW.A.0015.251219T0600Z-251220T0000Z/
JUDITH GAP-SOUTHERN WHEATLAND-
INCLUDING THE LOCATIONS OF HARLOWTON AND JUDITH GAP
453 AM MST THU DEC 18 2025
...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...
* WHAT...WEST WINDS WITH GUSTS UP TO 60 MPH POSSIBLE.
* WHERE...JUDITH GAP AND SOUTHERN WHEATLAND.
* WHEN...FROM THIS EVENING THROUGH FRIDAY AFTERNOON.
* IMPACTS...STRONG CROSSWINDS COULD MAKE TRAVEL DIFFICULT ALONG
HIGHWAY 191 THROUGH JUDITH GAP.
* ADDITIONAL DETAILS...STRONGEST WINDS ARE EXPECTED LATE TONIGHT
THROUGH FRIDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
ADDITIONAL GRAPHICS FOR THIS HAZARD CAN BE FOUND AT
HTTP://WWW.WEATHER.GOV/BILLINGS
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