636  
FXUS63 KABR 140139 AAB  
AFDABR  
 
AREA FORECAST DISCUSSION...UPDATED  
NATIONAL WEATHER SERVICE ABERDEEN SD  
839 PM CDT SAT JUN 13 2026  
   
KEY MESSAGES  
 
- NEAR TO SLIGHTLY BELOW NORMAL TEMPERATURES WILL CONTINUE  
THROUGH NEXT SATURDAY, WITH HIGH TEMPERATURES AVERAGING 5 TO  
10 DEGREES BELOW NORMAL SUNDAY, WEDNESDAY, AND THURSDAY.  
 
- THERE IS A 60% CHANCE OF WINDS WEDNESDAY OUT OF THE NORTHWEST  
GUSTING GREATER THAN 45 MPH FOR AREAS WEST OF THE MISSOURI  
RIVER.  
 
 
   
UPDATE  
 
ISSUED AT 831 PM CDT SAT JUN 13 2026  
 
NO SIGNIFICANT UPDATES NEEDED THIS EVENING IN REGARDS TO THE  
FORECAST THROUGH 12Z SUNDAY. MADE SOME CHANGES TO SKY COVER  
GRIDS TO ACCOUNT FOR SATELLITE TRENDS. MAY SEE MID-LEVEL  
CLOUDINESS LINGER LONGER INTO THE EVENING ACROSS EASTERN AREAS  
AS WEAK MID-LEVEL VORTICITY/DISTURBANCES ROTATE THROUGH THE  
REGION. IN FACT, THERE COULD BE A FEW SPRINKLES AS THIS MOVES  
THROUGH.  
 
 
   
DISCUSSION  
 
ISSUED AT 1219 PM CDT SAT JUN 13 2026  
 
DAYTIME HEATING LIGHT SHOWERS HAVE BEEN ADDED TO THE FORECAST  
FOR THIS AFTERNOON AND WE'LL CONTINUE TO MONITOR FOR THE  
POTENTIAL TO INCREASE THEM ABOVE A SLIGHT CHANCE (15-20%).  
 
A RIDGE OF HIGH PRESSURE CONTINUES TO BUILD IN FROM SOUTHERN ALBERTA  
AND NORTHWESTERN MT, MAXING OUT PRESSURE WISE OVER OUR AREA SUNDAY  
MORNING AS THE MAIN AREA OF HIGH PRESSURE SHIFTS SOUTHEAST ACROSS  
NORTHEASTERN WY AND WESTERN NE ON SUNDAY. WEAK DISTURBANCES WILL  
NEVER BE TOO FAR AWAY, AS THE DOMINANT 500MB LOW NEAR HUDSON BAY  
KEEPS A TROUGH SET UP ACROSS THE CENTRAL U.S. THROUGH THE ENTIRE  
FORECAST PERIOD. THERE ARE SOME HINTS AT BRIEF RIDGING IN THE  
OTHERWISE ZONAL FLOW FOR DAY 7/SATURDAY. THE OVERALL RESULT WILL BE  
SLIGHTLY BELOW NORMAL TEMPERATURES. WHILE MOSTLY DRY CONDITIONS WILL  
CONTINUE, SMALL DISTURBANCES IN THE OTHERWISE BROAD TROUGH WILL  
BRING THE POTENTIAL FOR MID AFTERNOON TO EARLY EVENING SHOWERS AND A  
FEW RUMBLES OF THUNDER.  
 
WEDNESDAY WILL BE A HEADS-UP DAY WEATHER WISE COMPARED TO THE REST,  
WITH INCREASED WINDS, CLOUD COVER, AND OUR HIGHEST CHANCE OF  
PRECIPITATION. A 500MB WAVE WILL BE ACCOMPANIED BY A SURFACE LOW TO  
OUR WEST AT 06Z WEDNESDAY MOVING ACROSS CENTRAL SD AROUND 12Z AND  
SHIFTING TO OUR EAST 18-21Z. THERE IS A 50-80% CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY WEDNESDAY THROUGH WEDNESDAY AFTERNOON MAINLY  
OVER NORTH CENTRAL TO NORTHEASTERN SD AND WEST CENTRAL MN. AT THIS  
POINT THE HIGHER LAPSE RATES AND SHEAR REMAIN SOUTH AND SOUTHWEST,  
SO WHILE THUNDERSTORMS ARE POSSIBLE SEVERE WEATHER LOOKS LIMITED. THE  
PROBABILITY OF 45MPH OR HIGHER WIND GUSTS HAS INCREASED FOR  
WEDNESDAY, UP TO AROUND 60% WEST OF THE MISSOURI RIVER, AND AROUND  
40% BETWEEN THE MISSOURI RIVER AND JAMES RIVER.  
 
 
   
AVIATION /00Z TAFS THROUGH 00Z MONDAY/  
 
ISSUED AT 625 PM CDT SAT JUN 13 2026  
 
TERMINALS KABR,KATY,KPIR,KMBG  
 
GUSTY NORTHWEST SURFACE AROUND 25 KNOTS WILL SUBSIDE NEAR/AFTER  
SUNSET. VFR CONDITIONS ARE FORECAST THROUGH THE TAF PERIOD.  
 
 
   
ABR WATCHES/WARNINGS/ADVISORIES  
 
SD...NONE.  
MN...NONE.  
 
 
 
 
 
UPDATE...TMT  
DISCUSSION...13  
AVIATION...TMT  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SD Page
The Nexlab MN Page
Main Text Page