514  
WWUS43 KFSD 270952  
WSWFSD  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
352 AM CST SAT FEB 27 2021  
 
IAZ002-003-MNZ071-SDZ040-050-054-055-057>061-063>065-068-069-  
271800-  
/O.NEW.KFSD.WW.Y.0009.210228T0000Z-210228T1200Z/  
OSCEOLA-DICKINSON-LINCOLN-BROOKINGS-GREGORY-MINER-LAKE-BRULE-  
AURORA-DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-  
BON HOMME-YANKTON-  
352 AM CST SAT FEB 27 2021  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO  
6 AM CST SUNDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES,  
WITH LOCALLY HIGHER TOTALS POSSIBLE.  
 
* WHERE...PORTIONS OF EAST CENTRAL, SOUTH CENTRAL AND SOUTHEAST  
SOUTH DAKOTA, NORTHWEST IOWA AND SOUTHWEST MINNESOTA. THIS  
INCLUDES THE TRIBAL LANDS OF THE YANKTON SIOUX TRIBAL NATION.  
 
* WHEN...FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.  
 
* ADDITIONAL DETAILS...A NARROW BAND OF HEAVIER SNOW IS EXPECTED  
WITH THIS SYSTEM, HOWEVER THE EXACT LOCATION OF THE HEAVIER BAND  
IS STILL UNCERTAIN. AS A RESULT, SNOWFALL ACCUMULATIONS MAY BE  
LOCALLY HIGHER.  
 
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.  
 

 
 

 
 
IAZ001-MNZ072-080-081-089-090-097-098-SDZ056-062-066-067-271800-  
/O.NEW.KFSD.WS.A.0002.210228T0000Z-210228T1200Z/  
LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-MOODY-  
MINNEHAHA-TURNER-LINCOLN-  
352 AM CST SAT FEB 27 2021  
 
...WINTER STORM WATCH IN EFFECT FROM THIS EVENING THROUGH LATE  
TONIGHT...  
 
* WHAT...HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS OF 4 TO 7  
INCHES POSSIBLE, WITH LOCALLY HIGHER TOTALS POSSIBLE.  
 
* WHERE...PORTIONS OF EAST CENTRAL AND SOUTHEAST SOUTH DAKOTA,  
NORTHWEST IOWA AND SOUTHWEST MINNESOTA. THIS INCLUDES THE  
TRIBAL LANDS OF THE FLANDREAU SANTEE SIOUX TRIBAL NATION.  
 
* WHEN...FROM THIS EVENING THROUGH LATE TONIGHT.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT.  
 
* ADDITIONAL DETAILS...A NARROW BAND OF HEAVIER SNOW IS EXPECTED  
WITH THIS SYSTEM, HOWEVER THE EXACT LOCATION OF THE HEAVIER  
BAND IS STILL UNCERTAIN. SNOWFALL RATES IN EXCESS OF ONE INCH  
PER HOUR WILL BE POSSIBLE WITHIN THIS BAND, AND AS A RESULT,  
SNOWFALL ACCUMULATIONS MAY BE LOCALLY HIGHER.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.  
 

 
 

 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT  
HTTPS://WEATHER.GOV/SIOUXFALLS  
 
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