973
WWUS45 KMSO 151917
WSWMSO
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1217 PM MST SUN FEB 15 2026
IDZ007-008-171800-
/O.NEW.KMSO.WW.Y.0008.260217T0300Z-260217T1800Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
1117 AM PST SUN FEB 15 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM MONDAY TO 10 AM PST
TUESDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES
ABOVE 3,000 FEET, INCLUDING GRANGEVILLE AND WHITEBIRD HILL, WITH
UP TO 2 INCHES OF SNOW IN THE LOWEST ELEVATIONS.
* WHERE...WHITE BIRD GRADE, GREER GRADE, HIGHWAY 95 SLATE CREEK TO
RIGGINS, CAMAS PRAIRIE, AND GRANGEVILLE AND VICINITY.
* WHEN...FROM 7 PM MONDAY TO 10 AM PST TUESDAY.
* IMPACTS...FOR MODERATE WINTER WEATHER IMPACTS, EXPECT DISRUPTIONS
TO NORMAL ACTIVITIES. HAZARDOUS TRAVELING CONDITIONS. USE EXTRA
CAUTION WHILE DRIVING. CLOSURES AND DISRUPTIONS TO INFRASTRUCTURE
MAY OCCUR. THE HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY
MORNING AND EVENING COMMUTES, ESPECIALLY OVER HIGHER PASSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
MTZ004-180000-
/O.NEW.KMSO.WW.Y.0008.260217T0300Z-260218T0000Z/
LOWER CLARK FORK REGION-
1217 PM MST SUN FEB 15 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM MONDAY TO 5 PM MST
TUESDAY...
* WHAT...SNOW EXPECTED. THERE IS A LIKELIHOOD MODERATE WINTER
WEATHER IMPACTS. TOTAL SNOW ACCUMULATIONS 3 TO 6 INCHES FROM
HAUGAN TO LOOKOUT PASS, WITH 1 TO 3 INCHES IN LOWER ELEVATION
VALLEY AREAS.
* WHERE...HIGHWAY 200 THOMPSON FALLS TO PLAINS, I-90 LOOKOUT PASS TO
HAUGAN, EVARO HILL, AND HIGHWAY 200 TROUT CREEK TO HERON.
* WHEN...FROM 8 PM MONDAY TO 5 PM MST TUESDAY.
* IMPACTS...FOR MODERATE WINTER WEATHER IMPACTS, EXPECT DISRUPTIONS
TO NORMAL ACTIVITIES. HAZARDOUS TRAVELING CONDITIONS. USE EXTRA
CAUTION WHILE DRIVING. CLOSURES AND DISRUPTIONS TO INFRASTRUCTURE
MAY OCCUR. THE HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY
MORNING AND EVENING COMMUTES, ESPECIALLY OVER HIGHER PASSES.
* ADDITIONAL DETAILS...FALLING TEMPERATURES AND SNOW LEVELS WILL
BRING SNOW TO VALLEY AREAS BY TUESDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
IDZ005-006-180000-
/O.NEW.KMSO.WW.Y.0008.260217T0600Z-260218T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
1117 AM PST SUN FEB 15 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM MONDAY TO 4 PM PST
TUESDAY...
* WHAT...SNOW EXPECTED. THERE IS A LIKELIHOOD MODERATE WINTER
WEATHER IMPACTS. TOTAL SNOW ACCUMULATIONS BETWEEN 3 AND 8 INCHES.
* WHERE...HIGHWAY 11 PIERCE TO HEADQUARTERS, ELK CITY, DIXIE,
PIERCE, ELK RIVER, AND HIGHWAY 12 LOWELL TO LOLO PASS.
* WHEN...FROM 10 PM MONDAY TO 4 PM PST TUESDAY.
* IMPACTS...FOR MODERATE WINTER WEATHER IMPACTS, EXPECT DISRUPTIONS
TO NORMAL ACTIVITIES. HAZARDOUS TRAVELING CONDITIONS. USE EXTRA
CAUTION WHILE DRIVING. CLOSURES AND DISRUPTIONS TO INFRASTRUCTURE
MAY OCCUR. THE HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY
MORNING COMMUTE, ESPECIALLY OVER HIGHER PASSES.
* ADDITIONAL DETAILS...FALLING TEMPERATURES AND SNOW LEVELS WILL
BRING SNOW TO ELEVATIONS BELOW 3,000 FEET TUESDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
MTZ006-180000-
/O.NEW.KMSO.WW.Y.0008.260217T0600Z-260218T0000Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
1217 PM MST SUN FEB 15 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM MONDAY TO 5 PM MST
TUESDAY...
* WHAT...SNOW EXPECTED. THERE IS A LIKELIHOOD MODERATE WINTER
WEATHER IMPACTS. TOTAL SNOW ACCUMULATIONS BETWEEN 3 AND 7 INCHES.
* WHERE...HIGHWAY 93 SULA TO LOST TRAIL PASS AND LOLO PASS.
* WHEN...FROM 11 PM MONDAY TO 5 PM MST TUESDAY.
* IMPACTS...FOR MODERATE WINTER WEATHER IMPACTS, EXPECT DISRUPTIONS
TO NORMAL ACTIVITIES. HAZARDOUS TRAVELING CONDITIONS. USE EXTRA
CAUTION WHILE DRIVING. CLOSURES AND DISRUPTIONS TO INFRASTRUCTURE
MAY OCCUR. THE HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY
MORNING AND EVENING COMMUTES, ESPECIALLY OVER HIGHER PASSES.
* ADDITIONAL DETAILS...A PASSING COLD FRONT WILL BRING AN ELEVATED
RISK FOR SNOW SQUALLS CAPABLE OF PRODUCING BURSTS OF HEAVY SNOW
AND GUSTY WINDS, LEADING TO BRIEF WHITEOUT CONDITIONS TUESDAY
MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
IDZ009-010-180000-
/O.NEW.KMSO.WW.Y.0008.260217T0900Z-260218T0000Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
1217 PM MST SUN FEB 15 2026
..WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 5 PM MST TUESDAY
* WHAT...SNOW EXPECTED. THERE IS A LIKELIHOOD MODERATE WINTER
WEATHER IMPACTS. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ACROSS
AREA MOUNTAIN PASSES, WITH UP TO 1 INCH IN LOWER ELEVATIONS SUCH
AS SALMON.
* WHERE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE, SALMON, SHOUP,
BANNOCK PASS, HIGHWAY 28 TENDOY TO LONE PINE, WILLIAMS CREEK
SUMMIT, AND LEMHI PASS.
* WHEN...FROM 2 AM TO 5 PM MST TUESDAY.
* IMPACTS...FOR MODERATE WINTER WEATHER IMPACTS, EXPECT DISRUPTIONS
TO NORMAL ACTIVITIES. HAZARDOUS TRAVELING CONDITIONS. USE EXTRA
CAUTION WHILE DRIVING. CLOSURES AND DISRUPTIONS TO INFRASTRUCTURE
MAY OCCUR. THE HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY
MORNING AND EVENING COMMUTES, ESPECIALLY OVER HIGHER PASSES.
* ADDITIONAL DETAILS...FALLING TEMPERATURES AND SNOW LEVELS WILL
BRING SNOW TO ELEVATIONS BELOW 3,000 FEET TUESDAY MORNING. THE
COLD FRONT WILL BRING AN ELEVATED RISK FOR SNOW SQUALLS CAPABLE OF
PRODUCING BURSTS OF HEAVY SNOW AND GUSTY WINDS ACROSS MOUNTAIN
AREAS, LEADING TO BRIEF WHITEOUT CONDITIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
MTZ001-180000-
/O.NEW.KMSO.WW.Y.0008.260217T0900Z-260218T0000Z/
KOOTENAI/CABINET REGION-
1217 PM MST SUN FEB 15 2026
..WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 5 PM MST TUESDAY
* WHAT...SNOW EXPECTED. THERE IS A LIKELIHOOD MODERATE WINTER
WEATHER IMPACTS. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 3 INCHES,
WITH 4 TO 8 INCHES IN THE MOUNTAINS.
* WHERE...HIGHWAY 93 EUREKA TO WHITEFISH, HIGHWAY 37 EUREKA TO
LIBBY, HIGHWAY 2 KALISPELL TO LIBBY, AND HIGHWAY 56 BULL LAKE ROAD.
* WHEN...FROM 2 AM TO 5 PM MST TUESDAY.
* IMPACTS...FOR MODERATE WINTER WEATHER IMPACTS, EXPECT DISRUPTIONS
TO NORMAL ACTIVITIES. HAZARDOUS TRAVELING CONDITIONS. USE EXTRA
CAUTION WHILE DRIVING. CLOSURES AND DISRUPTIONS TO INFRASTRUCTURE
MAY OCCUR. THE HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY
MORNING AND EVENING COMMUTES, ESPECIALLY OVER HIGHER PASSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
MTZ002-180000-
/O.NEW.KMSO.WW.Y.0008.260217T0900Z-260218T0000Z/
WEST GLACIER REGION-
1217 PM MST SUN FEB 15 2026
..WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 5 PM MST TUESDAY
* WHAT...SNOW EXPECTED. THERE IS A LIKELIHOOD MODERATE WINTER
WEATHER IMPACTS. TOTAL SNOW ACCUMULATIONS BETWEEN 2 AND 5 INCHES
IN VALLEY AREAS WITH 4 TO 8 INCHES IN HIGHER TERRAIN, INCLUDING
MARIAS PASS.
* WHERE...POLEBRIDGE, HIGHWAY 83 BIGFORK TO SWAN LAKE, MARIAS PASS,
BAD ROCK CANYON, GLACIER NATIONAL PARK, AND ESSEX.
* WHEN...FROM 2 AM TO 5 PM MST TUESDAY.
* IMPACTS...FOR MODERATE WINTER WEATHER IMPACTS, EXPECT DISRUPTIONS
TO NORMAL ACTIVITIES. HAZARDOUS TRAVELING CONDITIONS. USE EXTRA
CAUTION WHILE DRIVING. CLOSURES AND DISRUPTIONS TO INFRASTRUCTURE
MAY OCCUR. THE HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY
MORNING AND EVENING COMMUTES, ESPECIALLY OVER HIGHER PASSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
MTZ003-180000-
/O.NEW.KMSO.WW.Y.0008.260217T0900Z-260218T0000Z/
FLATHEAD/MISSION VALLEYS-
1217 PM MST SUN FEB 15 2026
..WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 5 PM MST TUESDAY
* WHAT...SNOW EXPECTED. THERE IS A LIKELIHOOD OF MODERATE WINTER
WEATHER IMPACTS. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 3 INCHES,
WITH 3 TO 6 INCHES ALONG THE EASTERN SHORE OF FLATHEAD LAKE.
* WHERE...FLATHEAD VALLEY, FLATHEAD LAKE, POLSON, AND MISSION VALLEY.
* WHEN...FROM 2 AM TO 5 PM MST TUESDAY.
* IMPACTS...FOR MODERATE WINTER WEATHER IMPACTS, EXPECT DISRUPTIONS
TO NORMAL ACTIVITIES. HAZARDOUS TRAVELING CONDITIONS. USE EXTRA
CAUTION WHILE DRIVING. CLOSURES AND DISRUPTIONS TO INFRASTRUCTURE
MAY OCCUR. THE HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY
MORNING AND EVENING COMMUTES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
MTZ007-180000-
/O.NEW.KMSO.WW.Y.0008.260217T0900Z-260218T0000Z/
BUTTE/BLACKFOOT REGION-
1217 PM MST SUN FEB 15 2026
..WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 5 PM MST TUESDAY
* WHAT...SNOW EXPECTED. THERE IS A LIKELIHOOD OF MODERATE WINTER
WEATHER IMPACTS. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 3 INCHES,
WITH 4 TO 6 INCHES IN THE MOUNTAINS.
* WHERE...HOMESTAKE PASS, GEORGETOWN LAKE, BUTTE, HIGHWAY 12
GARRISON TO ELLISTON, AND MACDONALD PASS.
* WHEN...FROM 2 AM TO 5 PM MST TUESDAY.
* IMPACTS...FOR MODERATE WINTER WEATHER IMPACTS, EXPECT DISRUPTIONS
TO NORMAL ACTIVITIES. HAZARDOUS TRAVELING CONDITIONS. USE EXTRA
CAUTION WHILE DRIVING. CLOSURES AND DISRUPTIONS TO INFRASTRUCTURE
MAY OCCUR. THE HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY
MORNING AND EVENING COMMUTES, ESPECIALLY OVER HIGHER PASSES.
* ADDITIONAL DETAILS...A PASSING COLD FRONT TUESDAY MORNING WILL
BRING AN ELEVATED RISK FOR SNOW SQUALLS CAPABLE OF PRODUCING
BURSTS OF HEAVY SNOW, GUSTY WINDS, AND FREEZING ROADWAYS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
MTZ043-180000-
/O.NEW.KMSO.WW.Y.0008.260217T0900Z-260218T0000Z/
POTOMAC/SEELEY LAKE REGION-
1217 PM MST SUN FEB 15 2026
..WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 5 PM MST TUESDAY
* WHAT...SNOW EXPECTED. THERE IS A LIKELIHOOD OF MODERATE WINTER
WEATHER IMPACTS. TOTAL SNOW ACCUMULATIONS BETWEEN 2 AND 5 INCHES,
WITH 6 TO 10 INCHES IN THE MOUNTAINS.
* WHERE...I-90 EAST MISSOULA TO BEARMOUTH, HIGHWAY 83 SEELEY LAKE TO
CONDON, AND HIGHWAY 200 BONNER TO GREENOUGH.
* WHEN...FROM 2 AM TO 5 PM MST TUESDAY.
* IMPACTS...FOR MODERATE WINTER WEATHER IMPACTS, EXPECT DISRUPTIONS
TO NORMAL ACTIVITIES. HAZARDOUS TRAVELING CONDITIONS. USE EXTRA
CAUTION WHILE DRIVING. CLOSURES AND DISRUPTIONS TO INFRASTRUCTURE
MAY OCCUR. THE HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY
MORNING COMMUTES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
AL
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