408  
FXUS64 KHUN 291039  
AFDHUN  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE HUNTSVILLE AL  
539 AM CDT WED JUL 29 2026  
   
..NEW AVIATION  
 
   
KEY MESSAGES  
 
UPDATED AT 1018 PM CDT TUE JUL 28 2026  
 
- A COLD FRONT WILL BRING ISOLATED SHOWERS AND THUNDERSTORMS TO  
THE REGION OVERNIGHT. GUSTY WINDS ARE THE MAIN THREAT WITH ANY  
STORMS THAT DEVELOP.  
 
- AN UNSETTLED WEATHER PATTERN BEGINS ON SATURDAY WITH MEDIUM TO  
HIGH CHANCES (50%-80%) FOR SHOWERS AND THUNDERSTORMS EACH DAY  
INTO EARLY NEXT WEEK.  
 
 
   
NEAR TERM  
 
(TODAY)  
ISSUED AT 156 AM CDT WED JUL 29 2026  
 
A HIGHLY ANTICIPATED COLD FRONT IS CURRENTLY MAKINGS ITS WAY  
ACROSS THE TN VALLEY. ALONG AND AHEAD OF THE FRONT, LIGHT SHOWERS  
AND A FEW THUNDERSTORMS ARE SLOWLY PROPAGATING SE. THROUGH THE  
NIGHT AS THE FRONT PROGRESSES, LOW RAIN AND STORM CHANCES WILL  
REMAIN IN THE FORECAST WITH BEST CHANCES SOUTH OF THE TN RIVER.  
 
AS THE SUN RISES, THE FRONT SHOULD BE SHIFTING TO OUR SOUTH  
LEAVING SOME RESIDUAL SHOWERS AND CLOUD COVER MAINLY IN NW AL.  
WITH THE FRONT TO OUR SOUTH, NW SURFACE FLOW WILL WORK TO USHER IN  
SLIGHTLY COOLER AND MUCH DRIER AIR. TEMPS WILL BE LIMIT TO THE  
HIGH 80S TO LOW 90S WITH DEW POINTS POTENTIALLY DROPPING INTO THE  
60S BY THE END OF THE DAY! THE DRIER AIR WILL INFILTRATE THE WHOLE  
PROFILE AND LOOKS TO REDUCE BOTH RAIN CHANCES TO LESS THAN 10% BY  
THIS EVENING AND DROP PWATS BELOW 1.5 INCHES.  
 
 
   
SHORT TERM  
 
(WEDNESDAY THROUGH FRIDAY)  
ISSUED AT 1018 PM CDT TUE JUL 28 2026  
 
THE SETUP FOR THE SHORT TERM WILL LEAVE THE TENNESSEE VALLEY UNDER  
PREVAILING NORTH NORTHWESTERLY FLOW AS THE REGION REMAINS IN  
BETWEEN A TROUGH TO THE EAST CENTERED OVER NY ON WEDNESDAY AND  
RIDGE TO THE WEST ACROSS NM AND THE SOUTHERN PLAINS. BEHIND THE  
COLD FRONT, DRIER AIR WILL BEGIN TO FILTER IN ON WEDNESDAY AS THE  
FRONT STALLS TO OUR SOUTH AND BY THURSDAY MORNING PWATS ARE  
FORECAST TO BE BELOW 1.0" ACROSS THE AREA. FORECAST MAX TEMPS AND  
HEAT INDICES WILL ALSO FALL AND HIGHS WILL DROP CLOSER TO NORMAL  
IN THE MID-80S TO LOW 90S THROUGH FRIDAY. LOW TEMPS WILL ALSO SEE  
A REPRIEVE BY FRIDAY MORNING IN THE MID-60S WHICH WILL BE A VERY  
WELCOME CHANGE. OUTSIDE OF SOME LINGERING SHOWER ACTIVITY ALONG  
THE FRONTAL BOUNDARY WEDNESDAY MORNING, THE SHORT TERM PERIOD WILL  
REMAIN DRY UNTIL FRIDAY NIGHT WHEN WE WILL BEGIN TO SEE A WEATHER  
PATTERN CHANGE FOR THE LONG TERM PERIOD.  
 
 
   
LONG TERM  
 
(SATURDAY THROUGH TUESDAY)  
ISSUED AT 1018 PM CDT TUE JUL 28 2026  
 
THIS WEEKEND WILL BEGIN A MORE UNSETTLED WEATHER PATTERN AS A  
TROUGH DIGS SOUTHWARD ACROSS THE GREAT LAKES REGION ON SATURDAY  
AND SUNDAY. ENSEMBLES DIFFER IN THE HANDLING OF THIS TROUGH WITH  
THE EPS SHOWING A STRONGER TROUGH CLOSING OFF TO OUR NORTH AND THE  
GEFS REMAINING AN OPEN WAVE OVER THE OHIO RIVER VALLEY INTO EARLY  
NEXT WEEK. REGARDLESS, RAIN AND STORM CHANCES WILL INCREASE THIS  
WEEKEND INTO EARLY NEXT WEEK AS MOISTURE FILTERS BACK INTO THE  
AREA. TEMPS SHOULD REMAIN AT OR BELOW NORMAL DURING THE DAY WITH  
MILDER OVERNIGHT LOWS. WE WILL HAVE TO WAIT AND SEE FOR THE FINER  
DETAILS OF ANY SEVERE THREAT THAT MAY EVOLVE AS MODELS BECOME  
MORE IN SYNC IN THE COMING DAYS. MAKE SURE TO CHECK BACK IF  
PLANNING ANYTHING OUTSIDE THIS WEEKEND AS THE FORECAST CAN AND  
WILL LIKELY CHANGE.  
 
 
   
AVIATION  
 
(12Z TAFS)  
ISSUED AT 539 AM CDT WED JUL 29 2026  
 
THROUGH THE DAY WINDS WILL BE LIGHT AND PRIMARILY FROM THE  
NORTHWEST. AFTER 00Z, WINDS WILL SHIFT SLIGHTLY TO THE NNE.  
OTHERWISE, VFR CONDITIONS WILL PREVAIL AT BOTH TERMINALS THROUGH  
THE DURATION OF THE TAF PERIOD.  
 
 
   
HUN WATCHES/WARNINGS/ADVISORIES  
 
AL...NONE.  
TN...NONE.  
 
 
 
 
NEAR TERM...RAD  
SHORT TERM....KG  
LONG TERM....KG  
AVIATION...RAD  
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