624  
FXUS64 KOHX 062326  
AFDOHX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NASHVILLE TN  
626 PM CDT SUN SEP 6 2026  
   
..NEW AVIATION  
 
   
KEY MESSAGES  
 
UPDATED AT 624 PM CDT SUN SEP 6 2026  
 
- SLIGHT RELIEF FROM THE HEAT ARRIVES TOMORROW BUT TEMPERATURES  
WILL REMAIN ABOVE-NORMAL THROUGH THE PERIOD  
 
- LOW RAIN CHANCES UNTIL LATE WEEK  
 
 
   
SHORT TERM  
 
(REST OF TODAY THROUGH MONDAY)  
ISSUED AT 1130 AM CDT SUN SEP 6 2026  
 
THE HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM TONIGHT WITH TRIPLE  
DIGIT HEAT INDICES EXPECTED ACROSS SOUTHWEST MIDDLE TN. A SURFACE  
LOW IS LOCATED JUST TO OUR NORTH WITH A STALLED BOUNDARY DRAPED  
ROUGHLY ALONG THE TN/KY BORDER. AS THIS BOUNDARY DRIFTS SOUTH  
LATER TODAY, A FEW ISOLATED SHOWERS AND STORMS MAY BE POSSIBLE  
EAST OF I-65. WHILE SHEAR IS MEAGER, INSTABILITY WILL BE PLENTIFUL  
AND THE KOHX 12Z SOUNDING RECORDED OVER 1,000 J/KG OF DCAPE.  
THEREFORE, ALTHOUGH THE CHANCE FOR STORMS IS LOW, THERE'S  
POTENTIAL FOR ANY STORM TO PRODUCE STRONG WIND GUSTS.  
 
A MORE PLEASANT TEMPERATURE FORECAST IS ON TAP FOR LABOR DAY WITH  
HIGHS A FEW DEGREES COOLER IN THE MID-80S TO LOW-90S. THERE'S A LOW  
TO MEDIUM CHANCE (30-40%) OF ISOLATED TO WIDELY SCATTERED SHOWERS  
AND STORMS EAST OF I-65 TOMORROW AFTERNOON.  
 
 
   
LONG TERM  
 
(MONDAY NIGHT THROUGH NEXT SUNDAY)  
ISSUED AT 1130 AM CDT SUN SEP 6 2026  
 
HIGH TEMPERATURES WILL GRADUALLY BUILD BACK TO THE UPPER-80S TO MID-  
90S BY WEDNESDAY BUT POPS WILL REMAIN VERY LOW (< 10%) AS AN UPPER-  
RIDGE BUILDS OVER THE SOUTHERN CONUS. AN UPPER LOW WILL MOVE  
ACROSS ONTARIO AND QUEBEC LATER THIS WEEK AND CAUSE A SURFACE  
FRONT TO TRAVERSE MIDDLE TN ON THURSDAY. THIS WILL INTRODUCE OUR  
HIGHEST POPS OF THE WEEK (45-60%) AND BRING A SLIGHT REDUCTION IN  
TEMPERATURES ON FRIDAY (MID-80S TO LOW-90S). DAILY LOW TO MEDIUM  
CHANCES (20-50%) FOR SHOWERS AND STORMS WILL LINGER THROUGH NEXT  
WEEKEND.  
 
 
   
AVIATION  
 
(00Z TAFS)  
ISSUED AT 624 PM CDT SUN SEP 6 2026  
 
VFR CONDITIONS CONTINUE FOR THE FORECAST PERIOD. NORTHERLY WIND  
GUSTS WILL CEASE OVER THE NEXT 1-2 HOURS LEAVING 3-8 KT NNE WINDS  
OVERNIGHT. WINDS SHIFT TO THE NE AFTER 15Z AND INCREASE TO 5-8 KTS  
FOR THE AFTERNOON. THERE IS A LOW CHANCE PATCHY FOG IMPACTS  
CSV/SRB AFTER 09Z BUT CONFIDENCE IS TOO LOW TO INCLUDE IN THE TAF  
AT THIS TIME.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
NASHVILLE 69 92 70 92 / 0 0 10 0  
CLARKSVILLE 66 90 69 93 / 0 0 0 0  
CROSSVILLE 63 85 63 85 / 0 20 10 0  
COLUMBIA 68 93 69 94 / 0 0 10 0  
COOKEVILLE 65 88 66 88 / 0 20 10 0  
JAMESTOWN 64 86 65 86 / 0 10 10 0  
LAWRENCEBURG 67 91 68 91 / 0 10 10 0  
MURFREESBORO 68 94 69 94 / 0 10 10 0  
WAVERLY 67 90 70 92 / 0 0 0 0  
 
 
   
OHX WATCHES/WARNINGS/ADVISORIES  
 
HEAT ADVISORY UNTIL 8 PM CDT THIS EVENING FOR TNZ056>058-060-061-  
075-093>095.  
 
 
 
 
 
SHORT TERM...CAHILL  
LONG TERM....CAHILL  
AVIATION.....REAGAN  
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