403  
FXUS63 KLMK 281738  
AFDLMK  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LOUISVILLE KY  
138 PM EDT SAT JUN 28 2025  
   
..UPDATED AVIATION DISUCSSION  
 
   
KEY MESSAGES  
 
* CHANCES FOR MAINLY AFTERNOON/EVENING SHOWERS AND STORMS EACH DAY  
THROUGH AT LEAST MONDAY  
 
* LESS HUMID CONDITIONS ARRIVE NEXT WEDNESDAY AND THURSDAY  
 
 
   
UPDATE  
 
ISSUED AT 1048 AM EDT SAT JUN 28 2025  
 
TEMPERATURES ARE WARMING ACROSS THE REGION THIS MORNING UNDER  
SOUTHERLY FLOW AND MOSTLY CLEAR SKIES. CONVECTION HAS DEVELOPED AND  
IS MOVING INTO WESTERN KENTUCKY. THESE STORMS WILL DRIFT INTO THE  
FAR WESTERN PORTION OF THE CWA AROUND NOON ET. OTHERWISE, THE  
FORECAST REMAINS ON TRACK WITH SCATTERED SHOWERS AND STORMS  
DEVELOPING IN THE AFTERNOON.  
 
 
   
SHORT TERM /THROUGH TONIGHT/  
 
ISSUED AT 340 AM EDT SAT JUN 28 2025  
 
MUGGY TROPICAL AIR MASS REMAINS IN PLACE WITH A WEAK COLD FRONT  
DRAPED ACROSS NORTHERN ILLINOIS AND INDIANA. THE FRONT WILL STRUGGLE  
TO MAKE SOUTHWARD PROGRESS TODAY AS IT IS ORIENTED NEARLY PARALLEL  
TO THE WEAK UPPER FLOW. LOOK FOR SCATTERED STORMS TO DEVELOP BY MID-  
AFTERNOON AND CONTINUE UNTIL SUNSET OR JUST AFTER. LACK OF SHEAR  
DOES NOT SUPPORT STORM ORGANIZATION, BUT A FEW PULSE STORMS COULD  
PUT OUT LOCALIZED DAMAGING WIND GUSTS. LOCALLY HEAVY RAIN COULD LEAD  
TO FLOODING IF ANY LOCATIONS SEE REPEATED HEAVY RAINFALL.  
 
MAX TEMPS THIS AFTERNOON WILL BE CLOSE TO SEASONAL NORMALS, BUT THE  
HUMID AIR MASS WILL KEEP OVERNIGHT TEMPS FROM DROPPING BELOW 70 IN  
ALL BUT THE MOST SHELTERED VALLEYS.  
 
 
   
LONG TERM /SUNDAY THROUGH FRIDAY/  
 
ISSUED AT 340 AM EDT SAT JUN 28 2025  
 
MOIST AND AT LEAST WEAKLY UNSTABLE AIR MASS REMAINS IN PLACE AT  
LEAST INTO TUESDAY MORNING. DIURNAL CONVECTION IS IN PLAY BOTH  
SUNDAY AND MONDAY, WITH LOCALIZED HEAVY RAINFALL POSSIBLE IN PULSE  
STORMS. ANY LOCATION THAT SEES REPEATED HEAVY RAINFALL WOULD BE  
SUBJECT TO FLOODING. BY MONDAY WE COULD ALSO SEE A LOW-END SVR  
THREAT, MAINLY NORTH OF I-64, AS CAPE CRANKS UP NEAR 1500 J/KG AND A  
BAND OF STRONGER WESTERLIES RUNS FROM ILLINOIS ACROSS INDIANA INTO  
OHIO. STILL A LOW-CONFIDENCE FORECAST DETERMINED BY THE SOUTHWARD  
EXTENT OF THE SHEAR, BUT STILL CAN'T RULE OUT A STRONG STORM OR TWO  
IN SOUTHERN INDIANA OR EVEN NORTH CENTRAL KENTUCKY. GUSTY WINDS AND  
TORRENTIAL RAINFALL ARE STILL THE MAIN THREATS.  
 
FROPA ON TUESDAY WILL OPEN THE DOOR FOR A LESS HUMID AIR MASS  
WEDNESDAY AND THURSDAY. TEMPS WILL STILL RUN NEAR NORMAL BY DAY AND  
ABOVE NORMAL BY NIGHT, BUT DEWPOINTS WILL RUN IN THE LOWER/MID  
60S...NOT NEARLY AS OPPRESSIVE AS THE PAST WEEK, BUT YOU'LL STILL  
KNOW IT'S SUMMER. WED-THU WILL BE MAINLY DRY DAYS, WITH ISOLATED  
STORMS BACK IN PLAY FOR INDEPENDENCE DAY. NOT A WASHOUT BY ANY  
STRETCH, AS HIT-AND-MISS STORMS WILL BE MORE MISS THAN HIT.  
 
 
   
AVIATION /18Z TAFS THROUGH 00Z MONDAY/  
 
ISSUED AT 137 PM EDT SAT JUN 28 2025  
 
SCATTERED SHOWERS AND STORMS HAVE DEVELOPED OVER THE REGION AND WILL  
IMPACT THE TERMINALS THROUGH THE AFTERNOON. AS THE SUN SETS THIS  
EVENING, SHOWERS AND STORMS WILL DISSIPATE. MOST OF THE NIGHT WILL  
FEATURE CALM TO LIGHT WINDS AND INCREASING MID-LEVEL SKIES. IN THE  
EARLY MORNING, THERE IS A SIGNAL FOR SOME PATCHY DENSE FOG,  
ESPECIALLY IN AREAS WITH RECENT RAINFALL. FOG WILL BURN OFF WITH  
SUNRISE AND AS WINDS PICK UP OUT OF THE SOUTHWEST. ANOTHER ROUND OF  
SCATTERED SHOWERS AND STORMS IS EXPECTED SUNDAY AFTERNOON.  
 
 
   
LMK WATCHES/WARNINGS/ADVISORIES  
 
KY...NONE.  
IN...NONE.  
 
 
 
 
 
UPDATE...SRW  
SHORT TERM...RAS  
LONG TERM...RAS  
AVIATION...SRW  
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