664  
FXUS64 KOHX 051720  
AFDOHX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NASHVILLE TN  
1220 PM CDT TUE AUG 5 2025  
   
..NEW AVIATION
 
 
   
KEY MESSAGES
 
 
UPDATED AT 1216 PM CDT TUE AUG 5 2025  
 
- AFTER SEVERAL COOLER THAN NORMAL DAYS, TEMPERATURES WILL CLIMB  
TO NORMAL LEVELS LATE THIS WEEK. HUMIDITY WILL BE TOLERABLE.  
 
- A 20 TO 40 PERCENT CHANCE FOR SHOWERS AND THUNDERSTORMS MOST  
DAYS THROUGH THE FORECAST PERIOD. THE SEVERE STORM THREAT IS  
VERY LOW.  
 

 
   
SHORT TERM
 
 
(REST OF TODAY THROUGH WEDNESDAY)  
ISSUED AT 1110 AM CDT TUE AUG 5 2025  
 
NO BIG CHANGES OR SURPRISES HAVE COME TO THE FORECAST TODAY. A  
BROAD, WEAK TROUGH OVER THE REGION WAS KEEPING OUR TEMPERATURES  
SEVERAL DEGREES COOLER THAN NORMAL WITH MORE CLOUDS THAN USUAL  
AND GENERALLY LOW COVERAGE OF DIURNAL SHOWERS. MUCH GREATER SHOWER  
AND THUNDERSTORM COVERAGE WAS NOTED FROM THE GULF COAST TO THE  
CAROLINAS WHERE DEEP MOISTURE WAS PRESENT WITH CONVERGING ONSHORE  
FLOW.  
 
OUR FORECAST WILL STAY MUCH THE SAME FOR TONIGHT INTO WEDNESDAY  
UNDER THE WEAK, SLUGGISH TROUGH. SKIES WILL BE PARTLY TO MOSTLY  
CLOUDY WITH PATCHY OVERNIGHT FOG. AFTERNOONS WILL BRING GENERALLY  
ISOLATED SHOWERS OR BRIEF STORMS. LOWS WILL BE MOSTLY IN THE MID  
TO UPPER 60S WITH HIGHS WEDNESDAY MOSTLY MID TO UPPER 80S.  
 

 
   
LONG TERM
 
 
(WEDNESDAY NIGHT THROUGH NEXT TUESDAY)  
ISSUED AT 1110 AM CDT TUE AUG 5 2025  
 
LATE WEEK THROUGH THE WEEKEND, THE TROUGH WILL LIFT AWAY AS A STRONG  
RIDGE CENTERED OVER THE SOUTHWEST STATES EXPANDS EASTWARD. THE  
RIDGE WILL REMAIN CENTERED WELL TO OUR WEST, BUT ITS INCREASING INFLUENCE  
WILL HELP RAISE TEMPERATURES. MANY AREAS WILL CLIMB JUST OVER 90  
EACH DAY THIS WEEKEND. HUMIDITY WILL BE TOLERABLE BY AUGUST  
STANDARDS, SO HEAT INDEX VALUES SHOULD STAY BELOW TRIPLE DIGITS  
THIS WEEKEND. THOSE INDEX VALUES MAY CRACK 100 NEXT MONDAY AND  
TUESDAY. THERE WILL BE ENOUGH LOW LEVEL MOISTURE FOR DAILY CHANCES  
FOR SHOWERS AND STORMS, MOSTLY IN THE 20 TO 40 PERCENT RANGE. AS  
TEMPS WARM UP, INSTABILITY WILL INCREASE BRINGING POTENTIAL FOR A  
FEW BRIEF "STRONG" STORMS WITH HEAVY DOWNPOURS AND GUSTY WINDS.  
THE THREAT FOR WIDESPREAD OR ORGANIZED SEVERE WX WILL REMAIN VERY  
LOW.  
 

 
   
AVIATION
 
 
(18Z TAFS)  
ISSUED AT 1216 PM CDT TUE AUG 5 2025  
 
VFR CONDITIONS WILL PREVAIL THROUGH 06Z BEFORE MVFR CIGS AND AREAS  
OF FOG DEVELOP. CONFIDENCE IS HIGHEST AT SRB/CSV WHERE GUIDANCE  
SUGGEST THERE IS A MEDIUM CHANCE OF LIFR VIS AND CIG DEVELOPING  
AFTER 09Z. CONFIDENCE IS LOWER AT CKV/MQY/BNA SO ONLY INCLUDED  
TEMPO GROUPS AT CKV/MQY. ANY FOG WILL DISSIPATE BY 13-14Z. WINDS  
WILL AROUND 5 KTS OR LESS THROUGH THE FORECAST PERIOD OUT OF THE  
ESE TO SSE.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
NASHVILLE 71 89 71 90 / 10 20 10 20  
CLARKSVILLE 69 89 69 90 / 10 20 10 10  
CROSSVILLE 64 82 64 82 / 20 40 30 50  
COLUMBIA 67 88 68 89 / 10 20 10 20  
COOKEVILLE 66 84 66 85 / 10 30 20 30  
JAMESTOWN 65 83 65 83 / 20 40 20 40  
LAWRENCEBURG 66 87 67 87 / 10 30 10 30  
MURFREESBORO 69 89 68 90 / 10 30 10 30  
WAVERLY 67 88 68 90 / 10 10 10 10  
 

 
   
OHX WATCHES/WARNINGS/ADVISORIES
 
 
NONE.  

 
 

 
 
SHORT TERM...13  
LONG TERM....13  
AVIATION.....REAGAN  
 
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