404  
FXUS64 KOHX 180301  
AFDOHX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NASHVILLE TN  
1001 PM CDT MON AUG 17 2026  
   
..NEW SHORT TERM, LONG TERM  
 
   
KEY MESSAGES  
 
UPDATED AT 946 PM CDT MON AUG 17 2026  
 
- BRIEF BUT WELCOME RELIEF TUESDAY WITH DRY WEATHER. ONE FINAL  
PUSH OF HEAT RETURNS WEDNESDAY, BUT REMAINS BELOW HEAT ADVISORY  
CRITERIA.  
 
- A MORE PROGRESSIVE PATTERN DEVELOPS WEDNESDAY NIGHT INTO NEXT  
WEEK, BRINGING INCREASED RAIN CHANCES AND A RETURN TO NEAR  
NORMAL TEMPERATURES BY THE WEEKEND.  
 
 
   
SHORT TERM  
 
(TONIGHT THROUGH WEDNESDAY NIGHT)  
ISSUED AT 946 PM CDT MON AUG 17 2026  
 
A REINFORCING SURGE OF DRIER AIR AND NW FLOW WILL SETTLE ACROSS  
MIDDLE TN ON TUESDAY. HIGHS ARE EXPECTED IN THE UPPER 80S TO LOW  
90S UNDER MOSTLY SUNNY SKIES, NOTICEABLY MORE COMFORTABLE THAN  
RECENT DAYS. OVERNIGHT LOWS TUESDAY NIGHT DROP INTO THE UPPER 60S  
TO AROUND 70 WITH CLEAR SKIES.  
 
BY WEDNESDAY, SOUTHERLY RETURN FLOW ALLOWS TEMPERATURES TO  
REBOUND. HIGHS CLIMB BACK INTO THE MID TO UPPER 90S WITH  
INCREASING HUMIDITY, PUSHING HEAT INDICES INTO THE 90S TO LOW 100S  
IN SOME LOCATIONS. WHILE NOT AS EXTREME, IT WILL STILL FEEL QUITE  
WARM. CLOUDS INCREASE WEDNESDAY NIGHT AS THE NEXT SYSTEM  
APPROACHES, WITH SHOWERS AND THUNDERSTORMS BECOMING LIKELY AFTER  
MIDNIGHT.  
 
 
   
LONG TERM  
 
(THURSDAY THROUGH NEXT TUESDAY)  
ISSUED AT 946 PM CDT MON AUG 17 2026  
 
A COLD FRONT ASSOCIATED WITH A DEEPENING TROUGH OVER THE E U.S.  
WILL MOVE THROUGH THE REGION THURSDAY. THIS WILL BRING THE BEST  
RAIN CHANCES OF THE PERIOD ALONG WITH HIGHS HELD IN THE UPPER 80S  
TO LOW 90S. ANY STRONGER STORMS THURSDAY COULD PRODUCE GUSTY WINDS  
AND HEAVY RAINFALL, THROUGH ORGANIZED SEVERE WEATHER APPEARS  
LIMITED.  
 
BEHIND THE FRONT, TEMPERATURES SETTLE CLOSER TO SEASONAL NORMALS  
FRIDAY THROUGH THE WEEKEND, WITH HIGHS GENERALLY IN THE UPPER 80S  
TO LOW 90S AND LOWER HUMIDITY. ADDITIONAL CHANCES OF SHOWERS AND  
STORMS LINGER INTO THE WEEKEND AS RESIDUAL MOISTURE AND WEAK  
DISTURBANCES ROTATE AROUND THE TROUGH, BUT COVERAGE SHOULD BE MORE  
SCATTERED.  
 
BY EARLY NEXT WEEK, HIGH PRESSURE BUILDS BRIEFLY, FAVORING  
MOSTLY DRY CONDITIONS AND CONTINUED SEASONABLE TEMPERATURES.  
CONFIDENCE IS GOOD IN THE OVERALL COOLING AND INCREASED  
PRECIPITATION TREND THROUGH THE WEEKEND.  
 
THE PROLONGED HEAT EPISODE OF MID-AUGUST IS EFFECTIVELY ENDING.  
ENJOY THE MORE COMFORTABLE CONDITIONS THURSDAY, THEN PREPARE FOR A  
WETTER STRETCH THROUGH THE END OF NEXT WEEK.  
 
 
   
AVIATION  
 
(00Z TAFS)  
ISSUED AT 624 PM CDT MON AUG 17 2026  
 
STORMS ARE EXITING THE PLATEAU LEAVING BEHIND VFR CONDITIONS  
ACROSS MIDDLE TN. NW FLOW REMAINS OVER THE NEXT 24 HOURS AND GUSTS  
DIMINISH THROUGH THIS EVENING. SRB/CSV ARE EXPECTED TO SEE SOME  
FOG DEVELOP OVERNIGHT FROM THIS EVENINGS RAINFALL AND CLEARING  
SKIES, BUT CLEARS OUT AFTER 12Z.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
NASHVILLE 67 90 64 94 / 0 0 0 0  
CLARKSVILLE 66 89 67 92 / 0 0 10 20  
CROSSVILLE 67 84 62 89 / 30 0 0 0  
COLUMBIA 70 91 67 96 / 0 0 0 0  
COOKEVILLE 68 85 64 89 / 10 0 0 0  
JAMESTOWN 68 84 63 88 / 10 10 0 0  
LAWRENCEBURG 70 89 66 94 / 0 0 0 0  
MURFREESBORO 70 91 66 95 / 0 0 0 0  
WAVERLY 68 90 68 93 / 0 0 10 20  
 
 
   
OHX WATCHES/WARNINGS/ADVISORIES  
 
NONE.  
 
 
 
 
SHORT TERM...CRAVENS  
LONG TERM....CRAVENS  
AVIATION.....CRAVENS  
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