505
WWUS45 KMSO 311718
WSWMSO
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1118 AM MDT MON MAR 31 2025
MTZ043-011800-
/O.EXA.KMSO.WW.Y.0026.250401T0000Z-250402T0600Z/
POTOMAC/SEELEY LAKE REGION-
1118 AM MDT MON MAR 31 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
MIDNIGHT MDT TUESDAY NIGHT...
* WHAT...SNOW EXPECTED. LIKELIHOOD OF MINOR IMPACTS FROM SNOW IS
GREATER THAN 60 PERCENT. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 2
INCHES FOR LOWER ELEVATIONS WITH 5 TO 10 INCHES IN THE MOUNTAINS.
THE HIGHER ELEVATIONS OF THE MISSION MOUNTAINS COULD RECEIVE OVER
A FOOT OF SNOW.
* WHERE...HIGHWAY 200 BONNER TO GREENOUGH, HIGHWAY 83 SEELEY LAKE TO
CONDON, AND I-90 EAST MISSOULA TO BEARMOUTH.
* WHEN...FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT.
* IMPACTS...WINTER TRAVELING CONDITIONS. FOR MINOR IMPACTS FROM
SNOW, EXPECT A FEW INCONVENIENCES TO NORMAL ACTIVITIES. USE
CAUTION WHILE DRIVING.
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.
MTZ006-011800-
/O.CON.KMSO.WW.Y.0026.250401T0000Z-250401T1800Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
1118 AM MDT MON MAR 31 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON MDT TUESDAY...
* WHAT...SNOW EXPECTED. LIKELIHOOD OF MINOR IMPACTS FROM SNOW IS
GREATER THAN 60 PERCENT. TOTAL SNOW ACCUMULATIONS BETWEEN 2 AND 6
INCHES. SNOWFALL RATES UP TO 1 INCH PER HOUR WITH HEAVIER SHOWERS.
* WHERE...LOLO PASS AND HIGHWAY 93 SULA TO LOST TRAIL PASS.
* WHEN...FROM 6 PM THIS EVENING TO NOON MDT TUESDAY.
* IMPACTS...WINTER TRAVELING CONDITIONS. FOR MINOR IMPACTS FROM
SNOW, EXPECT A FEW INCONVENIENCES TO NORMAL ACTIVITIES. USE
CAUTION WHILE DRIVING. THE HAZARDOUS CONDITIONS COULD IMPACT THE
TUESDAY MORNING COMMUTE, 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.
MTZ007-011800-
/O.CON.KMSO.WW.Y.0026.250401T0000Z-250402T0600Z/
BUTTE/BLACKFOOT REGION-
1118 AM MDT MON MAR 31 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO MIDNIGHT MDT TUESDAY NIGHT...
* WHAT...SNOW EXPECTED. LIKELIHOOD OF MINOR IMPACTS FROM SNOW IS
GREATER THAN 60 PERCENT AND 30 PERCENT FOR MODERATE IMPACTS. TOTAL
SNOW ACCUMULATIONS BETWEEN 2 AND 4 INCHES FOR LOWER ELEVATIONS
WITH 5 TO 10 INCHES ON THE PASSES. SNOWFALL RATES UP TO 1 INCH PER
HOUR WITH HEAVIER SHOWERS THIS EVENING THROUGH TUESDAY.
* WHERE...MACDONALD PASS, BUTTE, GEORGETOWN LAKE, HOMESTAKE PASS,
AND HIGHWAY 12 GARRISON TO ELLISTON.
* WHEN...FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT.
* IMPACTS...WINTER TRAVELING CONDITIONS. FOR MINOR IMPACTS FROM
SNOW, EXPECT A FEW INCONVENIENCES TO NORMAL ACTIVITIES. USE
CAUTION WHILE DRIVING. 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.
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