939
WWUS45 KBYZ 180603
WSWBYZ
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1203 AM MDT MON MAY 18 2026
MTZ056-066-181800-
/O.CON.KBYZ.WW.Y.0018.000000T0000Z-260518T1800Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF NYE, RED LODGE, ROBERTS, ROSCOE, MCLEOD,
AND FISHTAIL
1203 AM MDT MON MAY 18 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY
* WHAT...PERIODS OF SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 1 INCH,
GREATEST NEAR THE HIGHER TERRAIN. WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...BEARTOOTH FOOTHILLS AND RED LODGE FOOTHILLS.
* WHEN...UNTIL NOON MDT MONDAY.
* IMPACTS...PLAN ON DIFFICULT DRIVING CONDITIONS DUE TO POOR
VISIBILITY AND SLICK ROADS. THE HAZARDOUS CONDITIONS MAY IMPACT THE
MORNING COMMUTE.
* ADDITIONAL DETAILS...LOCALLY HEAVIER SNOWFALL IS POSSIBLE IN THE
FOOTHILLS ABOVE 6000 FEET. SNOW ACCUMULATIONS WILL DECREASE AWAY
FROM THE MOUNTAINS AND FOOTHILLS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1. IF RECREATING, BE PREPARED FOR WINTER
CONDITIONS.
MTZ171-WYZ198-181800-
/O.CON.KBYZ.WW.Y.0018.000000T0000Z-260518T1800Z/
PRYOR/NORTHERN BIGHORN MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF BURGESS JCT AND STORY
1203 AM MDT MON MAY 18 2026
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY
* WHAT...SNOW AND BLOWING SNOW. TOTAL SNOW ACCUMULATIONS BETWEEN 3
AND 6 INCHES, GREATEST IN THE BIGHORN MOUNTAINS. WINDS GUSTING AS
HIGH AS 45 MPH.
* WHERE...IN MONTANA, PRYOR/NORTHERN BIGHORN MOUNTAINS. IN WYOMING,
NORTHEAST BIGHORN MOUNTAINS.
* WHEN...UNTIL NOON MDT MONDAY.
* IMPACTS...SNOW AND BLOWING SNOW WILL IMPACT BACK COUNTRY RECREATION
AND TRAVEL ALONG HIGHWAY 14 THROUGH THE BIGHORN MOUNTAINS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR THE LATEST ROAD
CONDITIONS, CALL 5 1 1. IF RECREATING IN THE BACK COUNTRY, BE
PREPARED FOR WINTER CONDITIONS.
ADDITIONAL GRAPHICS FOR THIS HAZARD CAN BE FOUND AT
HTTP://WWW.WEATHER.GOV/BILLINGS
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