083
WWUS45 KBYZ 110657
WSWBYZ
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1257 AM MDT SUN OCT 11 2026
MTZ063-120700-
/O.CON.KBYZ.WS.W.0010.000000T0000Z-261012T1800Z/
JUDITH GAP-
INCLUDING THE LOCATIONS OF JUDITH GAP
1257 AM MDT SUN OCT 11 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY
* WHAT...PERIODS OF HEAVY SNOW AND BLOWING SNOW. TOTAL SNOW
ACCUMULATIONS BETWEEN 4 AND 8 INCHES WITH AMOUNTS NEAR A FOOT IN
THE MOUNTAINS. NORTH WINDS GUSTING UP TO 40 MPH.
* WHERE...JUDITH GAP.
* WHEN...UNTIL NOON MDT MONDAY.
* IMPACTS...TRAVEL WILL BE VERY DIFFICULT ON US-191 THROUGH JUDITH
GAP, DUE TO SLICK SNOW COVERED ROADS, AND POOR VISIBILITY.
* ADDITIONAL DETAILS...TREE AND POWER LINE DAMAGE IS POSSIBLE WHICH
MAY RESULT IN POWER OUTAGES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU MUST TRAVEL BE PREPARED FOR SEVERE WINTER CONDITIONS. KEEP AN
EXTRA FLASHLIGHT, FOOD, AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY. FOR THE LATEST ROAD CONDITIONS, CALL 5 1 1.
MTZ067-068-120700-
/O.CON.KBYZ.WS.W.0010.000000T0000Z-261012T1800Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF COOKE CITY
1257 AM MDT SUN OCT 11 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY
* WHAT...PERIODS OF HEAVY SNOW AND BLOWING SNOW. TOTAL SNOW
ACCUMULATIONS BETWEEN 10 AND 18 INCHES. WINDS GUSTING UP TO 35 MPH.
* WHERE...ABSAROKA/BEARTOOTH MOUNTAINS AND CRAZY MOUNTAINS.
* WHEN...UNTIL NOON MDT MONDAY.
* IMPACTS...RECREATION IN THE HIGH COUNTRY WILL BE IMPACTED BY SEVERE
WINTER CONDITIONS. TRAVEL INTO COOKE CITY MAY BE IMPACTED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE HEADING TO THE HIGH COUNTRY THIS WEEKEND PLAN FOR SEVERE
WINTER CONDITIONS. BE SURE TO INFORM SOMEONE OF YOUR PLANS, IN CASE
YOU HAVE DIFFICULTIES OR BECOME STRANDED IN THE WINTER CONDITIONS.
MTZ172-120700-
/O.CON.KBYZ.WS.W.0010.000000T0000Z-261012T1800Z/
MELVILLE FOOTHILLS-
INCLUDING THE LOCATIONS OF MELVILLE
1257 AM MDT SUN OCT 11 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY
* WHAT...PERIODS OF HEAVY WET SNOW AND BLOWING SNOW EXPECTED. TOTAL
SNOW ACCUMULATIONS BETWEEN 5 AND 10 INCHES. WINDS GUSTING AS HIGH
AS 35 MPH.
* WHERE...MELVILLE FOOTHILLS.
* WHEN...UNTIL NOON MDT MONDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT ON US-191 AND LOCAL ROADS
IN THE MELVILLE VICINITY.
* ADDITIONAL DETAILS...TREE AND POWER LINE DAMAGE IS POSSIBLE WHICH
MAY RESULT IN POWER OUTAGES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU MUST TRAVEL BE PREPARED FOR SEVERE WINTER CONDITIONS. KEEP AN
EXTRA FLASHLIGHT, FOOD, AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY. FOR THE LATEST ROAD CONDITIONS, CALL 5 1 1.
MTZ040-065-066-141-228-120700-
/O.CON.KBYZ.WW.Y.0024.000000T0000Z-261012T1800Z/
NORTHERN PARK-LIVINGSTON AREA-BEARTOOTH FOOTHILLS-NORTHERN SWEET
GRASS-SOUTHERN WHEATLAND-
INCLUDING THE LOCATIONS OF CLYDE PARK, MCLEOD, WILSALL, HARLOWTON,
FISHTAIL, TWODOT, SHAWMUT, LIVINGSTON, NYE, BIG TIMBER, AND
SPRINGDALE
1257 AM MDT SUN OCT 11 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY
* WHAT...PERIODS OF WET SNOW AND BLOWING SNOW. TOTAL SNOW
ACCUMULATIONS BETWEEN 2 AND 6 INCHES WITH LOCALLY HIGHER AMOUNTS
POSSIBLE. WINDS GUSTING AS HIGH AS 40 MPH.
* WHERE...SOUTHERN WHEATLAND, BEARTOOTH FOOTHILLS, LIVINGSTON AREA,
NORTHERN PARK, AND NORTHERN SWEET GRASS.
* WHEN...UNTIL NOON MDT MONDAY.
* IMPACTS...TRAVEL COULD BE DIFFICULT, DUE TO SLUSHY OR SNOW COVERED
ROADS AND POOR VISIBILITY. THIS INCLUDES US-191 FROM BIG TIMBER TO
JUDITH GAP, I-90 FROM BIG TIMBER TO LIVINGSTON, AND OVER BOZEMAN
PASS. CONDITIONS ON I-90 OVER BOZEMAN PASS ARE EXPECTED TO BECOME
PARTICULARLY HAZARDOUS.
* ADDITIONAL DETAILS...TREE AND POWER LINE DAMAGE IS POSSIBLE WHERE
SIGNIFICANT SNOW ACCUMULATION OCCURS, WHICH MAY RESULT IN POWER
OUTAGES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. EXPECT AREAS OF POOR
VISIBILITY. FOR THE LATEST ROAD CONDITIONS, CALL 5 1 1.
MTZ029-034-042-120700-
/O.CON.KBYZ.WW.Y.0024.261012T0000Z-261012T1800Z/
MUSSELSHELL-NORTHERN STILLWATER-GOLDEN VALLEY-
INCLUDING THE LOCATIONS OF PARK CITY, MUSSELSHELL, RAPELJE,
ABSAROKEE, RYEGATE, COLUMBUS, REED POINT, LAVINA, ROUNDUP, AND
MELSTONE
1257 AM MDT SUN OCT 11 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON MDT MONDAY...
* WHAT...PERIODS OF WET SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO
4 INCHES. WINDS GUSTING AS HIGH AS 30 MPH.
* WHERE...GOLDEN VALLEY, MUSSELSHELL, AND NORTHERN STILLWATER.
* WHEN...FROM 6 PM THIS EVENING TO NOON MDT MONDAY.
* IMPACTS...TRAVEL COULD BE DIFFICULT, DUE TO AREAS OF SLUSHY OR
SNOWY ROADS AND POOR VISIBILITY. THIS INCLUDES US-87 OVER THE BULL
MOUNTAINS.
* ADDITIONAL DETAILS...HIGHEST AMOUNTS ARE EXPECTED OVER THE HIGHER
HILLS INCLUDING THE BULL MOUNTAINS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. EXPECT AREAS OF POOR
VISIBILITY. FOR THE LATEST ROAD CONDITIONS, CALL 5 1 1.
ADDITIONAL GRAPHICS FOR THIS HAZARD CAN BE FOUND AT
HTTP://WWW.WEATHER.GOV/BILLINGS
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