756  
WWUS45 KSLC 180837  
WSWSLC  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
237 AM MDT SUN MAY 18 2025  
 
UTZ110>113-182345-  
/O.CON.KSLC.WW.Y.0021.250518T0900Z-250519T0000Z/  
WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80-  
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-  
INCLUDING THE FOLLOWING LOCATIONS - MANTUA, MIRROR LAKE HIGHWAY,  
SCOFIELD, INDIAN CANYON, MOON LAKE, BRIGHTON, LOGAN SUMMIT, AND  
ALTA  
237 AM MDT SUN MAY 18 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS  
EVENING...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS 5 TO 10 INCHES  
ABOVE 8000 FEET, LOCALLY UP TO 15 INCHES IN THE UPPER COTTONWOODS  
ABOVE 10,000 FEET.  
 
* WHERE...THE WASATCH MOUNTAINS, WESTERN UINTA MOUNTAINS, AND  
WASATCH PLATEAU/BOOK CLIFFS.  
 
* WHEN...UNTIL 6 PM MDT THIS EVENING.  
 
* IMPACTS...WINTER DRIVING CONDITIONS ARE EXPECTED.  
 
* ADDITIONAL DETAILS...A STRONG COLD FRONT WILL BRING A BAND OF  
MODERATE TO HEAVY SNOW EARLY SUNDAY MORNING INTO EARLY SUNDAY  
AFTERNOON. SNOW WILL SHIFT TO A SHOWERY MODE IN NORTHWEST FLOW  
SUNDAY AFTERNOON, WITH THE HEAVIEST ADDITIONAL ACCUMULATIONS IN  
AREAS THAT DO WELL IN NORTHWEST FLOW.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR WINTER ROAD  
CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION, VISIT  
HTTP://WWW.UDOTTRAFFIC.UTAH.GOV.  
 
FOR GRAPHICAL DEPICTIONS OF THE SNOWFALL FORECAST, INCLUDING  
OFFICIAL NWS FORECAST, HIGH END AMOUNT, AND LOW END AMOUNT, VISIT  
WEATHER.GOV/SLC/WINTER.  
 
 
 
 
 
UTZ117-125-182345-  
/O.CON.KSLC.WW.Y.0021.250518T0900Z-250519T0000Z/  
CENTRAL MOUNTAINS-SOUTHERN MOUNTAINS-  
INCLUDING THE FOLLOWING LOCATIONS - JOES VALLEY, FISH LAKE, BRIAN  
HEAD, ALTON, AND COVE FORT  
237 AM MDT SUN MAY 18 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS  
EVENING...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS 5 TO 10 INCHES  
ABOVE 8000 FEET, LOCALLY UP TO 15 INCHES IN THE TUSHAR RANGE.  
 
* WHERE...CENTRAL MOUNTAINS AND SOUTHERN MOUNTAINS.  
 
* WHEN...UNTIL 6 PM MDT THIS EVENING.  
 
* IMPACTS...WINTER DRIVING CONDITIONS ARE EXPECTED.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. FOR WINTER ROAD  
CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION, VISIT  
HTTP://WWW.UDOTTRAFFIC.UTAH.GOV.  
 
FOR GRAPHICAL DEPICTIONS OF THE SNOWFALL FORECAST, INCLUDING  
OFFICIAL NWS FORECAST, HIGH END AMOUNT, AND LOW END AMOUNT, VISIT  
WEATHER.GOV/SLC/WINTER.  
 
 
 
 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT  
HTTPS://WEATHER.GOV/SALTLAKECITY.  
 
FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT  
HTTP://UDOTTRAFFIC.UTAH.GOV  
 
CRK  
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