121  
WWUS83 KABR 200654  
RFWABR  
 
URGENT - FIRE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE ABERDEEN SD  
154 AM CDT MON APR 20 2026  
 
MNZ039-046-SDZ008-021-023-201500-  
/O.UPG.KABR.FW.A.0006.260420T1600Z-260421T0100Z/  
/O.NEW.KABR.FW.W.0008.260420T1600Z-260421T0100Z/  
TRAVERSE-BIG STONE-ROBERTS-GRANT-DEUEL-  
154 AM CDT MON APR 20 2026  
 
...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHEAST  
SOUTH DAKOTA AND WEST CENTRAL MINNESOTA...  
 
THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A RED FLAG  
WARNING FOR WIND AND LOW RELATIVE HUMIDITY, WHICH IS IN EFFECT  
FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING. THE FIRE  
WEATHER WATCH IS NO LONGER IN EFFECT.  
 
* AFFECTED AREA...IN MINNESOTA, TRAVERSE AND BIG STONE. IN SOUTH  
DAKOTA, ROBERTS, GRANT AND DEUEL.  
 
* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.  
 
* RELATIVE HUMIDITY...20 TO 25 PERCENT.  
 
* IMPACTS...ANY FIRES THAT IGNITE WILL SPREAD RAPIDLY AND BECOME  
DIFFICULT TO CONTROL OR SUPPRESS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE EITHER OCCURRING NOW, OR WILL SHORTLY. A COMBINATION OF  
STRONG WINDS, LOW RELATIVE HUMIDITY, AND WARM TEMPERATURES CAN  
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.  
 

 
 

 
 
SDZ019-020-022-201500-  
/O.NEW.KABR.FW.W.0008.260420T1600Z-260421T0100Z/  
CLARK-CODINGTON-HAMLIN-  
154 AM CDT MON APR 20 2026  
 
...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHEAST  
SOUTH DAKOTA...  
 
THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A RED FLAG  
WARNING FOR WIND AND LOW RELATIVE HUMIDITY, WHICH IS IN EFFECT  
FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING.  
 
* AFFECTED AREA...IN SOUTH DAKOTA, CLARK, CODINGTON AND HAMLIN.  
 
* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.  
 
* RELATIVE HUMIDITY...20 TO 25 PERCENT.  
 
* IMPACTS...ANY FIRES THAT IGNITE WILL SPREAD RAPIDLY AND BECOME  
DIFFICULT TO CONTROL OR SUPPRESS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE EITHER OCCURRING NOW, OR WILL SHORTLY. A COMBINATION OF  
STRONG WINDS, LOW RELATIVE HUMIDITY, AND WARM TEMPERATURES CAN  
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.  
 

 
 

 
 
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