886
WWUS45 KMSO 271641
WSWMSO
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1041 AM MDT SUN APR 27 2025
IDZ010-281500-
/O.NEW.KMSO.WW.Y.0030.250428T0300Z-250428T1500Z/
EASTERN LEMHI COUNTY-
1041 AM MDT SUN APR 27 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 9 AM
MDT MONDAY ABOVE 6000 FEET...
* WHAT...SNOW EXPECTED ABOVE 6000 FEET. TOTAL SNOW ACCUMULATIONS OF
2 TO 6 INCHES, WITH 6 TO 12 INCHES ABOVE 7,500 FEET INCLUDING
WILLIAMS CREEK SUMMIT.
* WHERE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE, BANNOCK AND
LEMHI PASSES, AND HIGHWAY 28 TENDOY TO LONE PINE, AND WILLIAMS
CREEK SUMMIT
* WHEN...FROM 9 PM THIS EVENING TO 9 AM MDT MONDAY.
* IMPACTS...THE WEIGHT OF WET SNOW ON TREE LIMBS AND POWER LINES MAY
LEAD TO ISOLATED TREE DAMAGE AND CAUSE SPORADIC POWER OUTAGES. WET
SLUSHY SNOW WILL IMPACT TRAVEL ACROSS AREA MOUNTAIN PASSES, WITH
DIFFICULT DRIVING CONDITIONS ON UNIMPROVED ROADS ACROSS THE
HIGHEST ELEVATIONS.
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.
OUTDOOR RECREATIONALISTS SHOULD BE PREPARED FOR WINTER CONDITIONS.
SNOWFALL COULD IMPACT ROADS AND COLD TEMPERATURES MAY RESULT IN
HYPOTHERMIA.
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