558  
FXUS63 KLMK 110016  
AFDLMK  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LOUISVILLE KY  
816 PM EDT SUN AUG 10 2025  
   
KEY MESSAGES  
 
* SHOWER AND STORM CHANCES INCREASE AGAIN EARLY NEXT WEEK AS COLD  
FRONT APPROACHES THE REGION. SEVERE WEATHER CHANCES ARE UNLIKELY.  
 
* DAILY HIGH TEMPERATURES IN THE UPPER 80S TO LOWER 90S EXPECTED ALL  
WEEK.  
 
 
   
UPDATE  
 
ISSUED AT 816 PM EDT SUN AUG 10 2025  
 
WELL IT HAS BEEN (LITERALLY) RINSE AND REPEAT THESE EVENINGS WITH  
ISOLATED SHOWERS POPPING UP IN THE LATE AFTERNOON AND EVENING AND  
THEN DISSIPATING AT SUNSET. TONIGHT IS NO DIFFERENT, A TYPICAL  
SUMMERTIME PATTERN. RADAR AND SKIES WILL CONTINUE TO CLEAR OVER THE  
NEXT HOUR OR TWO AND REMAIN CLEAR OVERNIGHT. SOME PATCHY FOG IS  
POSSIBLE IN AREAS THAT SAW A SHOWER THIS AFTERNOON. OTHERWISE, THE  
PREVIOUS FORECAST REMAINS ON TRACK THIS EVENING.  
 
 
   
SHORT TERM /THROUGH MONDAY/  
 
ISSUED AT 351 PM EDT SUN AUG 10 2025  
 
AN UPPER RIDGE SITS OVER THE UPPER PLAINS AND NORTHERN MIDWEST  
WITH UPPER RIDGING OVER THE WEST AND EAST COASTS. THE LOWER OHIO  
VALLEY REMAINS UNDER THE WESTERN SIDE OF THE EAST COAST RIDGE WITH  
SURFACE HIGH PRESSURE STILL PARKED TO OUR EAST, OFF THE ATLANTIC  
COAST, AND LOW PRESSURE TO OUR WEST. THIS CONTINUES TO KEEP OUR  
WINDS LIGHT AND GENERALLY OUT OF THE SOUTH, BUT WITH SOME  
VARIABILITY. SCATTERED CUMULUS IS CURRENTLY COVERING THE CWA.  
ISOLATED SHOWERS ARE AGAIN EXPECTED THIS AFTERNOON AND EVENING, BUT  
THE MID-LEVEL SUBSIDENCE IS EXPECTED TO KEEP THESE SHOWERS IN CHECK  
WITH LIMITED GROWTH.  
 
TONIGHT, EXPECT NEARLY THE SAME CONDITIONS AS THE LAST FEW NIGHTS.  
CUMULUS WILL DISSIPATE EARLY AS WINDS EASE TO NEAR CALM.  
TEMPERATURES WILL DIP INTO THE UPPER 60S TO LOW 70S. SOME PATCHY FOG  
IS POSSIBLE, MAINLY IN SOUTHERN INDIANA AND THE LAKE CUMBERLAND  
AREA.  
 
TOMORROW, THE UPPER RIDGE WILL CONTINUE TO SLOWLY MOVE EASTWARD. THE  
SURFACE HIGH TO OUR EAST HELPS TO BRING MORE MOISTURE INTO THE CWA.  
DEW POINTS CLIMB INTO THE UPPER 60S TO LOW 70S AS PRECIPITABLE WATER  
VALUES BEGIN CLIMBING AHEAD OF THE COLD FRONT TO OUR NORTHWEST AND  
AHEAD OF THE SURGE FROM THE SOUTH, LEAVING PWATS AROUND 1.25-1.5"  
ACROSS THE CWA. ISOLATED PULSE CONVECTION IS LIKELY TO CONTINUE OVER  
THE CWA, BUT THERE WILL LIKELY BE INCREASED CHANCES THAT WORK NORTH  
OUT OF TENNESSEE. THE MID-LEVEL SUBSIDENCE WILL STILL HELP TO LIMIT  
DEVELOPMENT. MOSTLY SUNNY SKIES BETWEEN DIURNAL CUMULUS WILL LEAD TO  
HIGHS IN THE LOW 90S.  
 
 
   
LONG TERM /MONDAY NIGHT THROUGH SUNDAY/  
 
ISSUED AT 351 PM EDT SUN AUG 10 2025  
 
SOUTHERN INDIANA AND CENTRAL KENTUCKY WILL FIND ITSELF TRAPPED IN  
THE MIDDLE OF AN APPROACHING UPPER TROUGH/COLD FRONT FROM THE  
NORTHWEST AND SURGING MOISTURE FROM THE SOUTH. MOST OF THE MOISTURE  
CAN BE SEEN FLOWING NORTH AS PWATS INCREASE TO 1.8-2.25" OVER MUCH  
OF CENTRAL KENTUCKY MUCH OF TUESDAY AND WEDNESDAY. THERE WILL ALSO  
BE SOME POOLING OF MOISTURE AHEAD OF THE FRONT ACROSS INDIANA.  
CHANCES FOR SHOWERS AND THUNDERSTORMS WILL INCREASE WITH THE ADDED  
MOISTURE AND WITH THE UPPER RIDGE DEPARTING THE REGION, THE  
SUBSIDENCE WILL BEGIN TO WEAKEN, ALLOWING TALLER STORMS TO DEVELOP.  
WE STILL LACK MUCH IN THE WAY OF SHEAR, SO THE SEVERE THREAT REMAINS  
LIMITED. THE HIGH PWATS COULD LEAD TO FLOODING CONCERNS WITH  
EFFICIENT RAINFALL.  
 
BY THURSDAY, THE COLD FRONT IS EXPECTED TO DROP INTO THE CWA AS IT  
FLATTENS BEFORE ROCKING TO THE EAST AND ALLOWING MOISTURE TO BUILD  
BACK FARTHER NORTH INTO INDIANA ON FRIDAY. SOUTHERN KENTUCKY WILL  
SEE PWATS NEAR 2" DURING THIS TIME WITH THE HIGHEST VALUES TO THE  
WEST. AS WITH TYPICAL SUMMER TIME CONVECTION, EXPECT A DIURNAL  
ENHANCEMENT WITH SHOWERS AND THUNDERSTORMS BEING ISOLATED TO  
SCATTERED IN NATURE. TEMPERATURES REMAIN CONSISTENT WITH HIGHS IN  
THE UPPER 80S TO LOW 90S AND LOWS IN THE UPPER 60S TO LOW 70S.  
 
BY THE WEEKEND THE FRONT PUSHES OFF TO THE NORTH, BUT THE SURFACE  
HIGH OVER THE SOUTHEAST FUELING THE REGION WITH MOISTURE REMAINS IN  
PLACE, KEEPING DAILY AFTERNOON AND EVENING SHOWER AND THUNDERSTORM  
CHANCES IN PLACE. THE BEST CHANCES WILL REMAIN OVER SOUTHERN AND  
EASTERN KENTUCKY.  
 
 
   
AVIATION /00Z TAFS THROUGH 06Z TUESDAY/  
 
ISSUED AT 718 PM EDT SUN AUG 10 2025  
 
ISOLATED SHOWERS ARE PRESENT ON RADAR AT THIS HOUR AND WILL  
DISSIPATE WITHIN THE NEXT 2 HOURS. WINDS WILL REMAIN MOSTLY LIGHT  
AND VARIABLE THROUGH THE OVERNIGHT. IN THE MORNING, WINDS WILL PICK  
UP OUT OF THE SOUTH AROUND 5-7KTS. AN AFTERNOON CU FIELD WILL  
DEVELOP SIMILAR TO PREVIOUS DAYS.  
 
 
   
LMK WATCHES/WARNINGS/ADVISORIES  
 
KY...NONE.  
IN...NONE.  
 
 
 
 
 
UPDATE...SRW  
SHORT TERM...KDW  
LONG TERM...KDW  
AVIATION...SRW  
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