563  
FXUS64 KMRX 241740  
AFDMRX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
140 PM EDT THU SEP 24 2026  
   
..NEW DISCUSSION, AVIATION  
 
   
KEY MESSAGES  
 
UPDATED AT 137 PM EDT THU SEP 24 2026  
 
- ISOLATED TO SCATTERED LIGHT RAIN SHOWERS AGAIN TODAY. NO  
SIGNIFICANT WEATHER EXPECTED.  
 
- COOLER AND DRIER CONDITIONS ARE EXPECTED THROUGH THE WEEKEND  
BEFORE A WARMING TREND EARLY NEXT WEEK.  
 
 
   
DISCUSSION  
 
ISSUED AT 137 PM EDT THU SEP 24 2026  
 
CURRENTLY A FEW LINGERING SHOWERS ACROSS PARTS OF THE PLATEAU AND  
THE SOUTHERN APPALACHIAN MOUNTAINS EARLY THIS AFTERNOON. WE SHOULD  
CONTINUE TO SEE THESE SLOWLY WORK THEIR WAY THROUGH THE REGION AS  
THE TROUGH ALSO SWINGS THROUGH OVERHEAD... NO MAJOR IMPACTS ARE  
EXPECTED FROM THESE SHOWERS AND FEW THUNDERSTORMS.  
 
MORE NOTABLE IS THAT IT'S TURNED MUCH COOLER TODAY AND EVEN WITH THE  
SUN TRYING TO COME OUT IT'S GOING TO FEEL LIKE FALL WITH  
TEMPERATURES MUCH LOWER THAN THE PREVIOUS WEEKS. THIS FALL LIKE  
WEATHER WILL CONTINUE THROUGH THE WEEKEND WITH MOSTLY CLEAR SKIES  
AND LOWER DEW POINTS. RAIN CHANCES DON'T LOOK TO RETURN UNTIL AT  
LEAST THE MIDDLE OF THE WEEK NEXT WEEK. A LOW AND FRONT LOOK TO TRY  
AND MOVE THROUGH THE US, BUT MODELS DISAGREE WITH THE TIMING AND THE  
STRENGTH. BUT THAT'S A PROBLEM FOR NEXT WEEK, IN THE MEANTIME ENJOY  
THE WEATHER FOR THE NEXT SEVERAL DAYS.  
 
 
   
AVIATION  
 
(18Z TAFS)  
ISSUED AT 137 PM EDT THU SEP 24 2026  
 
LINGERING LOW LEVEL CLOUDS WILL EVENTUALLY TRY AND BURN OFF, BUT  
COULD CAUSE BRIEF FLUCTUATIONS INTO THE MVFR CATEGORY AT THE  
AIRPORTS. BASED ON RAIN OVERNIGHT HAVE OPTED INTO FOG IN THE TAFS,  
AND CONFIDENCE SHOULD INCREASE WHEN WE SEE HOW MUCH CLEARING  
OCCURS TODAY.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
CHATTANOOGA AIRPORT, TN 61 80 55 80 / 20 0 0 0  
KNOXVILLE MCGHEE TYSON AIRPORT, TN 57 76 51 75 / 0 0 0 0  
OAK RIDGE, TN 56 76 51 76 / 0 0 0 0  
TRI CITIES AIRPORT, TN 48 73 44 74 / 0 0 0 0  
 
 
   
MRX WATCHES/WARNINGS/ADVISORIES  
 
NC...NONE.  
TN...NONE.  
VA...NONE.  
 
 
 
 
DISCUSSION...99  
AVIATION...99  
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