058  
FXUS63 KABR 060539  
AFDABR  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE ABERDEEN SD  
1139 PM CST MON JAN 5 2026  
   
KEY MESSAGES  
 
- DENSE FOG IN THE NORTHEAST.  
 
- ONE ROUND OF LIGHT RAIN/SPRINKLES (10-30%) MOVES THROUGH E/NE SD  
THIS AFTERNOON/EVENING. TEMPERATURES IN SPOTS COULD REMAIN BELOW  
FREEZING WITH LIGHT ICE POSSIBLE.  
 
- 2ND ROUND OF LIGHT RAIN (30-60%) MOVES THROUGH CENTRAL SD EARLY  
TUESDAY MORNING. TEMPERATURES AGAIN NEAR FREEZING COULD RESULT IN  
LIGHT ICE.  
 
- LATE WEEK STORM SYSTEM ACROSS THE PLAINS IS POSSIBLE, BUT MAIN  
IMPACTS CURRENTLY SETTING UP WELL SOUTHEAST OF THE REGION AS  
PROBABILITY FOR 1 INCH OR GREATER SNOWFALL ONLY AROUND 20% OR LESS.  
 
- GENERALLY ABOVE NORMAL TEMPERATURES IN THE EXTENDED PERIOD (WED-  
MON) WITH 30S AND 40S FOR HIGHS (EXCEPT SATURDAY).  
 
 
   
UPDATE  
 
ISSUED AT 1136 PM CST MON JAN 5 2026  
 
EXPANDED THE DENSE FOG ADVISORY INTO MORE OF NORTHEASTERN SOUTH  
DAKOTA AS WEBCAMS AND MODELS CONTINUE TO INDICATE IT WILL DRIFT  
SOUTHEAST. LIGHT RAIN IS MOVING INTO THE PIERRE AREA, BUT  
TEMPERATURES IN THAT AREA ARE GENERALLY AT OR ABOVE FREEZING.  
 
SEE BELOW FOR AN UPDATE TO THE AVIATION DISCUSSION.  
 
 
   
DISCUSSION  
 
ISSUED AT 230 PM CST MON JAN 5 2026  
 
AS OF 2 PM CST, A DENSE FOG ADVISORY REMAINS IN EFFECT FOR FAR  
NORTHEAST SD AND WEST CENTRAL MN UNTIL NOON TUESDAY. DENSE FOG IS  
EXPECTED TO SPREAD WEST BUT EXTENT IS UNCERTAIN AT THIS TIME. WILL  
LET THE NEXT SHIFT EXTEND AS NECESSARY. THERE ARE ALSO SOME LIGHT  
SHOWERS MOVING ACROSS SOUTH CENTRAL SD. TEMPERATURES ARE  
GENERALLY IN THE MID 30S TO MID 40S WITH LIGHT WINDS.  
 
FREEZING RAIN WILL BE POSSIBLE LATE THIS EVENING INTO THE OVERNIGHT  
HOURS MAINLY IN CENTRAL SD AND FAR EAST SD ALONG WITH WEST CENTRAL  
MN. AREAS OF FOG/FREEZING FOG ARE EXPECTED TO CONTINUE OVER FAR  
NORTHEAST SD AND WEST CENTRAL SD, AND SPREADS WEST TO THE JAMES  
RIVER LATER TONIGHT. THIS, COMBINED WITH THE FEW HUNDREDTHS OF AN  
INCH OF FREEZING RAIN ACCUMULATIONS, COULD CREATE SLICK ROADS AND  
SIDEWALKS FOR THE MORNING COMMUTE. RAIN, BECOMING FREEZING RAIN AND  
SNOW, WILL MOVE INTO CENTRAL SD AFTER MIDNIGHT, ASSUMING  
TEMPERATURES FALL BELOW FREEZING, OTHERWISE IT WILL REMAIN RAIN.  
SNOW ACCUMULATIONS ARE LITTLE TO NONE, WITH A FEW HUNDREDTHS OF AN  
INCH OF ICE ACCUMULATION POSSIBLE, AGAIN, MAKING FOR POSSIBLY SLICK  
CONDITIONS FOR THE MORNING COMMUTE. OUR NEXT CHANCE FOR SOME  
PRECIPITATION LOOKS TO BE FRIDAY INTO EARLY SATURDAY MORNING. THE  
CENTER OF THE LOW PRODUCING THIS SNOW LOOKS TO STAY A GOOD WAYS  
SOUTH OF US, SO THIS IS EXPECTED TO BE VERY LIGHT SNOW WITH LITTLE  
ACCUMULATION. HOWEVER, THIS IS 4-5 DAYS OUT SO THINGS COULD CHANGE.  
 
THE NEXT FEW DAYS LOOK TO BE DRY AND RELATIVELY MILD TEMPERATURE  
WISE WITH HIGHS IN THE 30S TO 40S, POTENTIALLY REACHING INTO THE 50S  
IN SOUTH CENTRAL SD. SATURDAY WILL BE A LITTLE COOLER AS SOME COLDER  
AIR MOVES IN BEHIND THE LOW, BUT THIS SHOULD BE SHORT LIVED AS  
STRONG WAA MOVES IN FOR THE END OF THE WEEKEND AND BEGINNING OF NEXT  
WEEK.  
 
 
   
AVIATION /06Z TAFS THROUGH 06Z WEDNESDAY/  
 
ISSUED AT 1136 PM CST MON JAN 5 2026  
 
TERMINALS KABR,KATY,KPIR,KMBG  
 
VFR CONDITIONS AT KMBG AND KPIR, THOUGH KPIR MAY GET A SPRINKLE  
HERE IN THE NEXT HOUR OR TWO. FARTHER EAST KABR AND EVENTUALLY  
KATY ARE DEALING WITH LOW CLOUDS AND FOG. THIS IS ADVECTING  
SOUTHEAST SO MAY NOT LINGER TOO LONG INTO THE DAY.  
 
 
   
ABR WATCHES/WARNINGS/ADVISORIES  
 
SD...DENSE FOG ADVISORY UNTIL NOON CST TUESDAY FOR SDZ006>008-011-  
018>023.  
 
MN...DENSE FOG ADVISORY UNTIL NOON CST TUESDAY FOR MNZ039-046.  
 
 
 
 
 
UPDATE...07  
DISCUSSION...13  
AVIATION...07  
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