173
WWUS45 KTFX 171155
WSWTFX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
555 AM MDT SUN MAY 17 2026
MTZ325-326-330-171300-
/O.EXP.KTFX.WW.Y.0025.000000T0000Z-260517T1200Z/
MADISON RIVER VALLEY-GALLATIN VALLEY-GALLATIN AND MADISON COUNTY
MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: NORRIS, JEFFERS, ENNIS,
RAYNOLDS PASS, GALLATIN GATEWAY, TARGHEE PASS, BOZEMAN, BIG SKY,
MCALLISTER, WEST YELLOWSTONE, AND CAMERON
555 AM MDT SUN MAY 17 2026
...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 AM MDT EARLY THIS
MORNING...
MTZ301-307-315-322-180300-
/O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/
EAST GLACIER PARK REGION-SOUTHERN ROCKY MOUNTAIN FRONT-UPPER
BLACKFOOT AND MACDONALD PASS-ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: LOGAN PASS, ELK PARK PASS,
FLESHER PASS, BABB, WICKES, HOMESTAKE PASS, CLANCY, MARIAS PASS,
CORBIN, ROGERS PASS, BOULDER, MARYSVILLE, SAINT MARY, LINCOLN,
MACDONALD PASS, MONTANA CITY, EAST GLACIER PARK, AND KIOWA
555 AM MDT SUN MAY 17 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 4 INCHES. WINDS
GUSTING AS HIGH AS 40 MPH.
* WHERE...THE CONTINENTAL DIVIDE ALONG THE ROCKY MOUNTAIN FRONT,
UPPER BLACKFOOT AND MACDONALD PASS, AND ELKHORN AND BOULDER
MOUNTAINS.
* WHEN...UNTIL MIDNIGHT MDT TONIGHT.
* IMPACTS...PLAN ON SLIPPERY BACKCOUNTRY ROAD CONDITIONS. WET AND
RAW CONDITIONS MAY CREATE HYPOTHERMIA RISK FOR THOSE RECREATING IN
THE BACKCOUNTRY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS CAN BE OBTAINED BY CALLING 5 1 1 OR VISITING THE MDT ROAD
REPORT WEBSITE.
MTZ317-320-180300-
/O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/
LITTLE BELT AND HIGHWOOD MOUNTAINS-BIG BELT, BRIDGER AND CASTLE
MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS: BATTLE RIDGE PASS, KINGS HILL
PASS, DEEP CREEK PASS, MONARCH, TRIDENT, MAUDLOW, BOZEMAN PASS,
AND NEIHART
555 AM MDT SUN MAY 17 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 5 INCHES. WINDS
GUSTING AS HIGH AS 40 MPH.
* WHERE...BIG BELT, BRIDGER AND CASTLE MOUNTAINS AND LITTLE BELT AND
HIGHWOOD MOUNTAINS.
* WHEN...UNTIL MIDNIGHT MDT TONIGHT.
* IMPACTS...PLAN ON SLIPPERY BACKCOUNTRY ROAD CONDITIONS. WET AND
RAW CONDITIONS MAY CREATE HYPOTHERMIA RISK FOR THOSE RECREATING IN
THE BACKCOUNTRY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS CAN BE OBTAINED BY CALLING 5 1 1 OR VISITING THE MDT ROAD
REPORT WEBSITE.
TO SEE A GRAPHICAL REPRESENTATION OF THE DEGREE OF STRESS ON YOUNG
LIVESTOCK PLEASE VISIT OUR WEBPAGE AND SELECT LOCAL PROGRAMS THEN
COLD AIR ADVISORY FOR NEWBORN LIVESTOCK.
MOLDAN
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