981  
FXUS63 KLMK 242352  
AFDLMK  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LOUISVILLE KY  
752 PM EDT TUE JUN 24 2025  
   
KEY MESSAGES  
 
* HEAT ADVISORY REMAINS THROUGH WEDNESDAY DUE TO MULTIPLE DAYS OF  
HEAT INDICES NEAR 100 TO 105 AND HEAT INDICES ONLY FALLING INTO  
THE MID TO UPPER 70S AT NIGHT.  
 
 
   
SHORT TERM /THROUGH WEDNESDAY/  
 
ISSUED AT 352 PM EDT TUE JUN 24 2025  
 
CURRENTLY, AN UPPER LEVEL HIGH SITS CENTERED OVER THE APPALACHIAN  
MOUNTAINS NEAR THE WEST VIRGINIA VIRGINIA BORDER. SURFACE HIGH  
PRESSURE OVER THE SOUTHEAST CONTINUES TO FUNNEL MOISTURE UP THE  
MISSISSIPPI AND OHIO VALLEYS, RESULTING IN HIGH LOW LEVEL MOISTURE  
OVER SOUTHERN INDIANA AND CENTRAL KENTUCKY. DEW POINTS REMAIN MOSTLY  
IN THE LOW TO MID 70S. DIURNAL WARMING HAS PUSHED TEMPERATURES INTO  
THE LOW TO MID 90S. THE KENTUCKY MESONET SHOWS HEAT INDICES ACROSS  
CENTRAL KENTUCKY RANGING FROM 98 TO 105. SATELLITE IMAGERY SHOWS  
CUMULUS CLOUDS MOVING IN AN ANTICYCLONIC PATTERN AROUND THE LOW.  
ADDITIONAL CLOUD DEVELOPMENT CAN BE SEEN FROM DIFFERENTIAL HEATING  
ACROSS AN AREA FROM WARREN COUNTY TO CHRISTIAN COUNTY TO THE WEST.  
YOU CAN ALSO SEE ENHANCEMENT OVER LEXINGTON FROM THE URBAN HEAT  
ISLAND. IN THE COMING HOURS SOME ISOLATED SHOWER AND THUNDERSTORM  
ACTIVITY WILL LIKELY DEVELOP.  
 
TONIGHT, ANY REMAINING SHOWERS/THUNDERSTORMS WILL COME TO AN END  
WITH THE LOSS OF DIURNAL WARMING, AND EVEN WITH LIGHT WINDS AND  
CLEARING SKIES, TEMPERATURES ARE ONLY EXPECTED TO FALL INTO THE 70S.  
THIS WILL ALSO LEAD TO PATCHY FOG ACROSS THE AREA. THE BEST CHANCES  
WILL BE TOWARDS EASTERN KENTUCKY.  
 
TOMORROW, EXPECT MORE OF THE SAME AS STRONG SUNSHINE LIFTS  
TEMPERATURES BACK INTO THE LOW TO MID 90S. WITH DEW POINTS IN THE  
MID TO UPPER 70S, HEAT INDICES WILL CLIMB BACK INTO THE UPPER 90S TO  
AROUND 105. BELIEVE SHOWERS AND THUNDERSTORMS WILL BE MORE LIKELY AS  
A WAVE MOVES WEST BEFORE NORTHWEST AWAY FROM THE CWA. CHANCES WILL  
BE BETTER ALONG AND NORTH OF INTERSTATE 64, BUT ISOLATED TO  
SCATTERED CHANCES WILL ALSO BE POSSIBLE FARTHER SOUTH THROUGHOUT  
CENTRAL KENTUCKY.  
 
 
   
LONG TERM /WEDNESDAY NIGHT THROUGH TUESDAY/  
 
ISSUED AT 352 PM EDT TUE JUN 24 2025  
 
FROM THURSDAY TO MONDAY, EXPECT LITTLE DAY TO DAY CHANGE.  
TEMPERATURES ARE EXPECTED TO TREND SLIGHTLY COOLER BY THIS WEEKEND,  
FALLING FROM THE LOW TO MID 90S ON THURSDAY AND FRIDAY TO THE UPPER  
80S TO LOW 90S BY THE WEEKEND. THE COOLER OF THESE TEMPERATURES ARE  
EXPECTED OVER THE BLUEGRASS. SURFACE HIGH PRESSURE OVER THE  
SOUTHEAST WILL CONTINUE TO SENT MOISTURE UP THE MISSISSIPPI AND OHIO  
VALLEYS AS THE UPPER RIDGE BECOMES MORE ZONAL, OVER THE GREAT LAKES.  
MOSTLY SUNNY DAYS WITH AFTERNOON/EVENING CUMULUS THAT PRODUCE  
ISOLATED TO SCATTERED RAIN CHANCES.  
 
TUESDAY, MODEL AGREEMENT CONTINUES TO LOOK FAIRLY GOOD AS THE  
GLOBAL MODELS BEGIN TO FORM A RIDGE OVER THE ROCKIES AND A TROUGH  
OVER THE EAST COAST. NORTHWEST FLOW OVER THE LOWER OHIO VALLEY WOULD  
PUSH A COLD FRONT TOWARDS THE CWA, BRINGING DRIER AIR AND COOLER  
TEMPERATURES. HIGHS ON TUESDAY FALL INTO THE MID TO UPPER 80S.  
 
THE HEAT ADVISORY IS IN PLACE UNTIL WEDNESDAY EVENING, BUT PART OR  
ALL OF IT MAY NEED TO BE EXTENDED IN THE FUTURE, BUT WITH INCREASING  
RAIN CHANCES TO THE NORTH AND EAST OVER THE NEXT COUPLE OF DAYS,  
THIS COULD LIMIT THE EXTENT OF WHAT IS NEEDED.  
 
 
   
AVIATION /00Z TAFS THROUGH 06Z THURSDAY/  
 
ISSUED AT 751 PM EDT TUE JUN 24 2025  
 
HAVE A FEW ISOLATED TSRA THIS EVENING, MOST NOTABLY ABOUT 10-15  
MILES WEST AND SOUTHWEST OF BWG. CONVECTION WILL LARGELY DIMINISH BY  
01Z, AND THE LIKELIHOOD OF IMPACTS AT ANY ONE TERMINAL IS QUITE LOW.  
VERY LIGHT WINDS AND MOSTLY CLEAR OVERNIGHT, WITH PATCHY FOG. FOG  
APPEARS MOST LIKELY AT RGA AND HNB BASED ON CROSSOVER TEMPS.  
 
W/SW WINDS WILL INCREASE TO 4-7 KTS AFTER 15Z WEDNESDAY. EXPECT A  
SCT-BKN DIURNAL CUMULUS FIELD IN THE AFTERNOON AND EVENING WITH  
BASES AROUND 5 KFT. ISOLATED TO WIDELY SCATTERED CONVECTION WILL BE  
POSSIBLE.  
 
 
   
LMK WATCHES/WARNINGS/ADVISORIES  
 
KY...HEAT ADVISORY UNTIL 8 PM EDT /7 PM CDT/ WEDNESDAY FOR  
KYZ023>043-045>049-053>057-061>067-070>078-081-082.  
IN...HEAT ADVISORY UNTIL 8 PM EDT /7 PM CDT/ WEDNESDAY FOR  
INZ076>079-083-084-089>092.  
 
 
 
 
 
SHORT TERM...KDW  
LONG TERM...KDW  
AVIATION...EBW  
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