506
WWUS45 KMSO 311948
WSWMSO
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
148 PM MDT MON MAR 31 2025
MTZ006-011800-
/O.CON.KMSO.WW.Y.0026.250401T0000Z-250401T1800Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
148 PM 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...FOR MINOR IMPACTS FROM SNOW, EXPECT A FEW INCONVENIENCES
TO NORMAL ACTIVITIES. USE CAUTION WHILE DRIVING. FOR MODERATE
IMPACTS FROM SNOW, 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.
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-
148 PM 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. FOR MODERATE IMPACTS FROM SNOW, EXPECT DISRUPTIONS TO
NORMAL ACTIVITIES. HAZARDOUS TRAVEL CONDITIONS AND LOCALIZED ROAD
CLOSURE POTENTIAL.
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.
MTZ043-011800-
/O.CON.KMSO.WW.Y.0026.250401T0000Z-250402T0600Z/
POTOMAC/SEELEY LAKE REGION-
148 PM 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. 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.
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