416  
FXUS63 KLMK 190222  
AFDLMK  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LOUISVILLE KY  
1022 PM EDT WED MAR 18 2026  
   
..FORECAST UPDATE  
 
   
KEY MESSAGES  
 
* TEMPERATURES WARM EACH DAY BEFORE REACHING THE 70S AND 80S BY  
FRIDAY INTO THE WEEKEND.  
 
* SUNDAY NIGHT INTO MONDAY, A COLD FRONT DROPS TEMPERATURES BACK TO  
THE 50S WITH AN ADDITIONAL CHANCE OF RAIN FOR SOME.  
 
 
   
UPDATE  
 
ISSUED AT 1022 PM EDT WED MAR 18 2026  
 
QUIET AND NOT AS CHILLY TONIGHT AS TEMPERATURES WILL MAINLY STAY  
CONFINED TO THE MID 30S TO NEAR 40. A FEW DECOUPLED VALLEYS MAY DROP  
INTO THE LOWER 30S, HOWEVER INCOMING SKY COVER WILL LIKELY RESULT IN  
A SMALL RISE AS WE MOVE THROUGH THE PRE-DAWN HOURS. CEILINGS LOWER  
TO A MID DECK BY LATE TOMORROW MORNING WHERE A FEW SPRINKLES COULD  
BE POSSIBLE THROUGH EARLY AFTERNOON. MOST FOLKS WILL STAY DRY WITH  
OVERALL MILDER TEMPERATURES RISING INTO THE MID 60S TO LOW 70S. THE  
FORECAST IS ON TRACK. NO CHANGES PLANNED AT THIS TIME.  
 
 
   
SHORT TERM /THROUGH THURSDAY/  
 
ISSUED AT 421 PM EDT WED MAR 18 2026  
 
AN UPPER TROUGH AXIS CONTINUES TO SIT ALONG THE EAST COAST, KEEPING  
NORTHWEST FLOW OVER THE LOWER OHIO VALLEY. A SHORTWAVE IN THIS FLOW  
CONTINUES TO PUSH THROUGH SOUTHERN INDIANA AND CENTRAL KENTUCKY AND  
HAS CLEARED SKIES WEST OF INTERSTATE 65. EAST OF 65, DRY AIR IN THE  
LOW LEVELS CONTINUES TO LIMIT MOST OF THE RAIN FROM REACHING THE  
SURFACE. THROUGH THE REST OF THE AFTERNOON/EVENING, THIS CLEARING  
AND SHOWERS WILL CONTINUE TO QUICKLY PUSH OFF TO THE EAST AS WINDS  
BECOME LESS GUSTY.  
 
TONIGHT, WITH SURFACE HIGH PRESSURE TO OUR SOUTHEAST AND LOW  
PRESSURE TO OUR NORTHWEST, LIGHT SOUTH WINDS WILL LIMIT FALLING  
TEMPERATURES TO THE MID 30S TO LOW 40S. MOST AREAS ARE EXPECTED TO  
REMAIN ABOVE FREEZING.  
 
TOMORROW, WITH THE OVERALL PATTERN REMAINING THE SAME, NORTHWEST  
FLOW WILL PUSH ANOTHER SHORTWAVE THROUGH THE CWA DURING THE EARLY  
AFTERNOON. THE FORECAST HAS TRENDED DRIER WITH THIS QUICK MOVING  
SYSTEM. A SPRINKLE COULD BE POSSIBLE, BUT MANY WILL LIKELY NOT SEE  
ANYTHING BESIDE SOME CLOUD COVER THAT IS EXPECTED TO CLEAR BEHIND  
THE WAVE. WAA WITH CLEARING SKIES WILL HELP PUSH TEMPERATURES TO THE  
MID 60S TO LOW 70S.  
 
 
   
LONG TERM /THURSDAY NIGHT THROUGH WEDNESDAY/  
 
ISSUED AT 421 PM EDT WED MAR 18 2026  
 
FRIDAY, A SURFACE LOW WILL GET PUSHED SOUTHEAST THROUGH THE  
GREAT LAKES. THIS WILL PRODUCE A WEAK WEST-SOUTHWEST TO EAST-  
NORTHEAST ORIENTED COLD FRONT WHICH WILL DROP SOUTH THROUGH THE  
LOWER OHIO VALLEY. RAIN SHOWERS ARE EXPECTED EAST OF OUR AREA,  
TOWARDS THE SURFACE LOW, BUT THIS COULD BRING SOME ADDITIONAL  
CHANCES FOR LIGHT PRECIPITATION TO OUR EASTERN COUNTIES. WAA WILL  
PUSH HIGHS INTO THE 70S WITH SOME UPPER 60S POSSIBLE IN THE  
BLUEGRASS.  
 
BY THE WEEKEND, HIGH SURFACE PRESSURE WILL CAUSE WINDS TO LIGHT AND  
SOMEWHAT VARIABLE WITH BETTER CHANCES FOR EXTRA SUNSHINE.  
TEMPERATURES CLIMB INTO THE 70S TO MID 80S.  
 
SUNDAY NIGHT INTO MONDAY MORNING, A COLD FRONT IS EXPECTED TO DROP  
SOUTH THROUGH THE REGION, DROPPING HIGHS BACK INTO THE LOW 50S TO  
MID 60S EARLY NEXT WEEK. MULTIPLE MODELS SHOW A ROBUST STABLE LAYER  
NEAR THE SURFACE, BUT SOME GUIDANCE HAS SOME ELEVATE INSTABILITY.  
WITH THE BULK OF PRECIPITATION REMAINING TO OUR EAST, THIS FRONT  
DOESN'T LOOK TOO CONCERNING. SOME ELEVATE INSTABILITY COULD LEAD TO  
SOME HAIL, BUT THE WIND THREAT LOOKS LOW WITH A CHANCE WE CONTINUE  
TO TREND DRIER.  
 
 
   
AVIATION /00Z TAFS THROUGH 06Z FRIDAY/  
 
ISSUED AT 748 PM EDT WED MAR 18 2026  
 
AFTER A BRIEF PERIOD OF CLEAR SKIES, SOME UPPER SKY COVER BEGINS TO  
MOVE IN AGAIN OVERNIGHT. CEILINGS WILL GRADUALLY LOWER THROUGH THE  
EARLY MORNING, WITH BKN MID LEVEL CLOUDS AROUND 12-15K FEET BY LATE  
MORNING. PERHAPS A FEW SPRINKLES OUT OF THIS THROUGH LATE MORNING OR  
EARLY AFTERNOON. OTHERWISE, LOOK FOR A RETURN TO MOSTLY CLEAR SKIES  
BY AFTERNOON AND EVENING. LIGHT SSE WINDS TONIGHT GIVE WAY TO LIGHT  
SSW WINDS ON THURSDAY. VFR PREVAILS THROUGHOUT.  
 
 
   
LMK WATCHES/WARNINGS/ADVISORIES  
 
KY...NONE.  
IN...NONE.  
 
 
 
 
 
UPDATE...BJS  
SHORT TERM...KDW  
LONG TERM...KDW  
AVIATION...BJS  
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