444  
WWUS45 KSLC 132000  
WSWSLC  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
200 PM MDT THU MAR 13 2025  
 
UTZ111-141100-  
/O.CON.KSLC.WS.W.0005.000000T0000Z-250315T0000Z/  
WASATCH MOUNTAINS SOUTH OF I-80-  
INCLUDING THE FOLLOWING LOCATIONS - BRIGHTON AND ALTA  
200 PM MDT THU MAR 13 2025  
   
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY  
 
* WHAT...HEAVY SNOW EXPECTED. ADDITIONAL SNOW ACCUMULATIONS BETWEEN  
8 AND 16 INCHES POSSIBLE WITH LOCALLY HIGHER AMOUNTS UP TO 2 FEET  
IN THE UPPER COTTONWOODS.  
 
* WHERE...WASATCH MOUNTAINS SOUTH OF I-80.  
 
* WHEN...UNTIL 6 PM MDT FRIDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT AT TIMES.  
 
* ADDITIONAL DETAILS...NORTHWEST FLOW AND LAKE EFFECT POTENTIAL WILL  
HELP TO KEEP SNOW GOING THROUGH FRIDAY AFTERNOON IN THE UPPER  
COTTONWOODS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN  
YOUR VEHICLE IN CASE OF AN EMERGENCY. 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.  
 
 
 
 
 
UTZ112-113-117-125-141100-  
/O.CON.KSLC.WS.W.0005.000000T0000Z-250314T1500Z/  
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-CENTRAL  
MOUNTAINS-SOUTHERN MOUNTAINS-  
INCLUDING THE FOLLOWING LOCATIONS - COVE FORT, JOES VALLEY, MOON  
LAKE, INDIAN CANYON, BRIAN HEAD, MIRROR LAKE HIGHWAY, SCOFIELD,  
ALTON, AND FISH LAKE  
200 PM MDT THU MAR 13 2025  
   
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY  
 
* WHAT...HEAVY SNOW EXPECTED. ADDITIONAL SNOW ACCUMULATIONS BETWEEN  
7 AND 14 INCHES POSSIBLE WITH LOCALLY HIGHER AMOUNTS UP TO 20  
INCHES IN LOCALLY FAVORED AREAS SUCH AS BRIAN HEAD.  
 
* WHERE...CENTRAL MOUNTAINS, WASATCH PLATEAU/BOOK CLIFFS, WESTERN  
UINTA MOUNTAINS, AND SOUTHERN MOUNTAINS.  
 
* WHEN...UNTIL 9 AM MDT FRIDAY.  
 
* IMPACTS...WINTER DRIVING CONDITIONS ARE EXPECTED. GUSTY WINDS  
COULD BRING DOWN TREE BRANCHES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN  
YOUR VEHICLE IN CASE OF AN EMERGENCY. 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.  
 
 
 
 
 
UTZ110-141100-  
/O.CON.KSLC.WW.Y.0012.000000T0000Z-250315T0000Z/  
WASATCH MOUNTAINS I-80 NORTH-  
INCLUDING THE FOLLOWING LOCATIONS - MANTUA AND LOGAN SUMMIT  
200 PM MDT THU MAR 13 2025  
   
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY  
 
* WHAT...SNOW EXPECTED. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 8 AND  
12 INCHES.  
 
* WHERE...WASATCH MOUNTAINS I-80 NORTH.  
 
* WHEN...UNTIL 6 PM MDT FRIDAY.  
 
* 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.  
 
 
 
 
 
UTZ104-105-141100-  
/O.CON.KSLC.WW.Y.0012.250314T0000Z-250314T1800Z/  
NORTHERN WASATCH FRONT-SALT LAKE VALLEY-  
INCLUDING THE FOLLOWING LOCATIONS - SANDY, OGDEN, BOUNTIFUL, WEST  
JORDAN, AND SALT LAKE CITY  
200 PM MDT THU MAR 13 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING  
TO NOON MDT FRIDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS 1 TO 4 INCHES WITH  
LOCALLY HIGHER AMOUNTS OVER 6 INCHES POSSIBLE ALONG EASTERN  
BENCHES AND AREAS IMPACTED BY LAKE EFFECT BANDS.  
 
* WHERE...NORTHERN WASATCH FRONT AND SALT LAKE VALLEY.  
 
* WHEN...FROM 6 PM THIS EVENING TO NOON MDT FRIDAY.  
 
* IMPACTS...WINTER DRIVING CONDITIONS ARE EXPECTED. THE HAZARDOUS  
CONDITIONS COULD IMPACT THE THURSDAY EVENING AND FRIDAY MORNING  
COMMUTES.  
 
* ADDITIONAL DETAILS...THE COLD FRONT WILL BRING A QUICK 1 TO 2  
INCHES OF SNOW THURSDAY EVENING FOLLOWED BY A PERIOD OF LAKE  
EFFECT SNOW THAT COULD BRING MORE ACCUMULATION THROUGH THE EARLY  
MORNING HOURS FRIDAY FOR AREAS SOUTHEAST OF THE GREAT SALT LAKE.  
 
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.  
 
 
 
 
 
UTZ108-141100-  
/O.CON.KSLC.WW.Y.0012.250314T0000Z-250314T1800Z/  
WASATCH BACK-  
INCLUDING THE FOLLOWING LOCATIONS - HUNTSVILLE, HEBER CITY, AND  
PARK CITY  
200 PM MDT THU MAR 13 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING  
TO NOON MDT FRIDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 3  
INCHES WITH LOCALLY HIGHER AMOUNTS NEAR PARK CITY BETWEEN 5 AND 7  
INCHES.  
 
* WHERE...WASATCH BACK.  
 
* WHEN...FROM 6 PM THIS EVENING TO NOON MDT FRIDAY.  
 
* IMPACTS...WINTER DRIVING CONDITIONS ARE EXPECTED. THE HAZARDOUS  
CONDITIONS COULD IMPACT THE THURSDAY EVENING AND FRIDAY MORNING  
COMMUTES.  
 
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.  
 
 
 
 
 
UTZ116-141100-  
/O.CON.KSLC.WW.Y.0012.250314T0000Z-250314T1500Z/  
EASTERN JUAB/MILLARD COUNTIES-  
INCLUDING THE FOLLOWING LOCATIONS - NEPHI, FILLMORE, AND SCIPIO  
200 PM MDT THU MAR 13 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING  
TO 9 AM MDT FRIDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 4  
INCHES WITH LOCALLY HIGHER AMOUNTS ALONG EASTERN BENCHES.  
 
* WHERE...EASTERN JUAB/MILLARD COUNTIES.  
 
* WHEN...FROM 6 PM THIS EVENING TO 9 AM MDT FRIDAY.  
 
* 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  
 
HM  
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