608
WWUS75 KBYZ 182129
NPWBYZ
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
229 PM MST THU DEC 18 2025
MTZ063-228-192130-
/O.UPG.KBYZ.HW.A.0015.251219T0600Z-251220T0000Z/
/O.EXB.KBYZ.HW.W.0017.251219T0600Z-251220T0000Z/
JUDITH GAP-SOUTHERN WHEATLAND-
INCLUDING THE LOCATIONS OF HARLOWTON AND JUDITH GAP
229 PM MST THU DEC 18 2025
...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST
FRIDAY...
* WHAT...WEST WINDS WITH GUSTS UP TO 60 MPH.
* WHERE...JUDITH GAP AND SOUTHERN WHEATLAND.
* WHEN...FROM 11 PM THIS EVENING TO 5 PM MST FRIDAY.
* IMPACTS...STRONG CROSSWINDS WILL MAKE TRAVEL DIFFICULT ALONG
HIGHWAY 191 THROUGH JUDITH GAP.
* ADDITIONAL DETAILS...STRONGEST WINDS ARE EXPECTED LATE TONIGHT INTO
FRIDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND
OR DAMAGED BY THE WIND.
MTZ056-192100-
/O.UPG.KBYZ.HW.A.0015.251219T0300Z-251219T1800Z/
/O.EXA.KBYZ.HW.W.0017.251219T0300Z-251219T2100Z/
RED LODGE FOOTHILLS-
INCLUDING THE LOCATIONS OF RED LODGE
229 PM MST THU DEC 18 2025
...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 2 PM MST
FRIDAY...
* WHAT...SOUTHWEST WINDS WITH GUSTS OF 50 TO 65 MPH.
* WHERE...RED LODGE FOOTHILLS.
* WHEN...FROM 8 PM THIS EVENING TO 2 PM MST FRIDAY.
* IMPACTS...DAMAGING WINDS COULD BLOW DOWN TREES AND POWER LINES.
TRAVEL WILL BE DIFFICULT, ESPECIALLY FOR HIGH PROFILE VEHICLES.
* ADDITIONAL DETAILS...WINDS WILL BE ERRATIC, WITH PERIODIC STRONG
GUSTS SURGING DOWN THE MOUNTAIN SLOPES. THE STRONGEST WIND GUSTS
ARE 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.
MTZ138-169-WYZ199-192100-
/O.UPG.KBYZ.HW.A.0015.251219T0300Z-251219T2100Z/
/O.EXA.KBYZ.HW.W.0017.251219T0300Z-251219T2100Z/
SOUTHERN BIG HORN-BIGHORN CANYON-SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF FORT SMITH, SHERIDAN, LODGE GRASS, AND
PRYOR
229 PM MST THU DEC 18 2025
...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 2 PM MST
FRIDAY...
* WHAT...SOUTHWEST TO WEST WINDS WITH GUSTS OF 50 TO 65 MPH.
* WHERE...IN MONTANA, BIGHORN CANYON AND SOUTHERN BIG HORN. IN
WYOMING, SHERIDAN FOOTHILLS.
* WHEN...FROM 8 PM THIS EVENING TO 2 PM MST FRIDAY.
* IMPACTS...DAMAGING WINDS COULD BLOW DOWN TREES AND POWER LINES.
TRAVEL WILL BE DIFFICULT, ESPECIALLY FOR HIGH PROFILE VEHICLES.
THIS INCLUDES TRAVEL ON I-90 THROUGH SHERIDAN.
* ADDITIONAL DETAILS...WINDS WILL BE ERRATIC, WITH PERIODIC STRONG
GUSTS SURGING DOWN THE MOUNTAIN SLOPES. THE STRONGEST WINDS ARE
EXPECTED LATE TONIGHT THROUGH FRIDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND
OR DAMAGED BY THE WIND.
MTZ171-WYZ198-192100-
/O.EXA.KBYZ.HW.W.0017.251219T0300Z-251219T2100Z/
PRYOR/NORTHERN BIGHORN MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF BURGESS JUNCTION AND STORY
229 PM MST THU DEC 18 2025
...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 2 PM MST
FRIDAY...
* WHAT...SOUTHWEST WINDS WITH GUSTS OF 60 TO 75 MPH, STRONGEST ALONG
THE NORTH AND EAST SLOPES OF THE BIGHORN MOUNTAINS.
* WHERE...IN MONTANA, PRYOR/NORTHERN BIGHORN MOUNTAINS. IN WYOMING,
NORTHEAST BIGHORN MOUNTAINS.
* WHEN...FROM 8 PM THIS EVENING TO 2 PM MST FRIDAY.
* IMPACTS...DAMAGING WINDS COULD BLOW DOWN TREES AND POWER LINES.
TRAVEL WILL BE DIFFICULT, ESPECIALLY FOR HIGH PROFILE VEHICLES.
THIS INCLUDES PORTIONS OF HIGHWAY 14 THROUGH THE BIGHORN MOUNTAINS,
ESPECIALLY FROM DAYTON TO BURGESS JUNCTION.
* ADDITIONAL DETAILS...THE STRONGEST WINDS ARE EXPECTED TONIGHT INTO
FRIDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
STRONG WINDS WILL IMPACT RECREATION IN THE BACKCOUNTRY.
MTZ065-066-192100-
/O.CON.KBYZ.HW.W.0017.000000T0000Z-251219T2100Z/
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF LIVINGSTON, MC LEOD, DEAN, LIMESTONE, NYE,
AND FISHTAIL
229 PM MST THU DEC 18 2025
..HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST FRIDAY
* WHAT...SOUTHWEST WINDS WITH GUSTS TO 75 MPH.
* WHERE...BEARTOOTH FOOTHILLS AND LIVINGSTON AREA.
* WHEN...UNTIL 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...THE 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.
MTZ141-172-192100-
/O.CON.KBYZ.HW.W.0017.251219T0300Z-251219T2100Z/
NORTHERN SWEET GRASS-MELVILLE FOOTHILLS-
INCLUDING THE LOCATIONS OF BIG TIMBER AND MELVILLE
229 PM 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.
* 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...THE 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.
ADDITIONAL GRAPHICS FOR THIS HAZARD CAN BE FOUND AT
HTTP://WWW.WEATHER.GOV/BILLINGS
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