427
WWUS45 KBYZ 091829
WSWBYZ
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1229 PM MDT MON MAR 9 2026
MTZ029-031-042-100300-
/O.NEW.KBYZ.WW.Y.0010.260309T1829Z-260310T0300Z/
MUSSELSHELL-NORTHERN ROSEBUD-GOLDEN VALLEY-
INCLUDING THE LOCATIONS OF MELSTONE, LAVINA, FORSYTH, COLSTRIP,
RYEGATE, MUSSELSHELL, ANGELA, INGOMAR, AND ROUNDUP
1229 PM MDT MON MAR 9 2026
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING
* WHAT...SNOW OCCURRING. TOTAL SNOW ACCUMULATIONS OF 2 TO 6 INCHES,
WITH LOCALLY HEAVIER AMOUNTS POSSIBLE.
* WHERE...GOLDEN VALLEY, MUSSELSHELL, AND NORTHERN ROSEBUD.
* WHEN...UNTIL 9 PM MDT THIS EVENING.
* IMPACTS...PLAN ON SLICK AND SNOW COVERED ROAD CONDITIONS. THE
HAZARDOUS CONDITIONS WILL IMPACT THE MONDAY EVENING COMMUTE.
* ADDITIONAL DETAILS...MESONET OBSERVATIONS SHOW 1 TO 4 INCHES OF
SNOW HAS FALLEN IN THE ADVISORY AREA. THE HEAVIEST SNOWFALL WILL BE
ALONG AND NORTH OF US-12.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
BE PREPARED FOR SLICK ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.
IF YOU ARE GOING OUTSIDE, WATCH YOUR FIRST FEW STEPS TAKEN ON STAIRS,
SIDEWALKS, AND DRIVEWAYS. THESE SURFACES COULD BE ICY AND SLICK,
INCREASING YOUR RISK OF A FALL AND INJURY.
MTZ138-WYZ199-101830-
/O.CON.KBYZ.WW.Y.0009.260310T0600Z-260311T1400Z/
SOUTHERN BIG HORN-SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF WYOLA, RANCHESTER, CLEARMONT, BIG HORN,
SHERIDAN, PRYOR, DAYTON, AND LODGE GRASS
1229 PM MDT MON MAR 9 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
8 AM MDT WEDNESDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 4
INCHES.
* WHERE...IN MONTANA, SOUTHERN BIG HORN. IN WYOMING, SHERIDAN
FOOTHILLS.
* WHEN...FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY.
* IMPACTS...PLAN ON SLICK ROAD CONDITIONS. THE HAZARDOUS CONDITIONS
WILL IMPACT THE TUESDAY MORNING AND EVENING COMMUTES.
* ADDITIONAL DETAILS...PRECIPITATION WILL BEGIN AS RAIN THIS EVENING.
ROADS WILL BECOME SLICK AS TEMPERATURES FALL TONIGHT. HEAVIEST
SNOWFALL IS EXPECTED DURING THE DAY TUESDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1.
BE PREPARED FOR SLICK ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.
IF YOU ARE GOING OUTSIDE, WATCH YOUR FIRST FEW STEPS TAKEN ON STAIRS,
SIDEWALKS, AND DRIVEWAYS. THESE SURFACES COULD BE ICY AND SLICK,
INCREASING YOUR RISK OF A FALL AND INJURY.
WYZ198-101830-
/O.CON.KBYZ.WW.Y.0009.260310T0600Z-260311T1400Z/
NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF STORY AND BURGESS JCT
1229 PM MDT MON MAR 9 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
8 AM MDT WEDNESDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 4 AND 8
INCHES.
* WHERE...NORTHEAST BIGHORN MOUNTAINS.
* WHEN...FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY.
* IMPACTS...TRAVEL COULD BE DIFFICULT ALONG US 14. RECREATION IN THE
HIGH COUNTRY WILL BE IMPACTED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE PREPARED FOR WINTRY CONDITIONS IN THE HIGH COUNTRY.
ADDITIONAL GRAPHICS FOR THIS HAZARD CAN BE FOUND AT
HTTP://WWW.WEATHER.GOV/BILLINGS
CHAMBERS
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