827  
FXUS64 KHUN 210342  
AFDHUN  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE HUNTSVILLE AL  
1042 PM CDT TUE OCT 20 2026  
   
..NEW AVIATION  
 
   
KEY MESSAGES  
 
UPDATED AT 817 PM CDT TUE OCT 20 2026  
 
- NO IMPACTFUL WEATHER IS FORECAST THROUGH THE NEXT SEVERAL DAYS.  
 
 
   
NEAR TERM  
 
(TONIGHT)  
ISSUED AT 817 PM CDT TUE OCT 20 2026  
 
A SHORTWAVE AT 5H WAS DROPPING SOUTHEAST THOROUGH NORTHEAST AL  
INTO NORTHWEST GA EARLY THIS EVENING. OTHER THAN A FEW PICTURESQUE  
CI/CS MOVING INTO THE TN THIS EVENING, ANOTHER MOSTLY CLEAR AND  
CALM NIGHT IS AHEAD. TEMPERATURES WILL FALL INTO THE MIDDLE 40S  
FOR MOST AREAS, WITH A FEW LOWER 40S IN SOUTHERN MIDDLE TN AND  
SOME VALLEY COLD POCKETS IN NORTH AL.  
 
 
   
SHORT TERM  
 
(WEDNESDAY THROUGH FRIDAY NIGHT)  
ISSUED AT 817 PM CDT TUE OCT 20 2026  
 
OVER THE NEXT 3 DAYS, N-NW FLOW IN MID TO UPPER LEVELS IS FORECAST  
AS A RIDGE AXIS SHIFTS AND BUILDS LATITUDINALLY IN THE PLAINS,  
AND A TROUGH AXIS BECOMES MORE ESTABLISHED OVER SOUTHERN ATLANTIC  
COAST INTO THE SOUTHEAST GULF. SURFACE HIGH PRESSURE WILL REMAIN  
SPRAWLED ACROSS MOST OF THE EASTERN CONUS AS A RESULT KEEPING NEAR  
SEASONABLY NORMAL HIGH TEMPERATURES AND SLIGHTLY BELOW NORMAL LOW  
TEMPERATURES DURING THIS PERIOD. THIS MEANS HIGHS IN THE LOWER TO  
MIDDLE 70S WITH LOWS MOSTLY IN THE 40S. FRIDAY MAY BE SLIGHTLY  
COOLER (A COUPLE OF DEGREES IN OUR EASTERN COUNTIES) WITH A BIT  
MORE EASTERLY WIND COMPONENT OFF THIS COOLER PORTION OF THE  
RIDGE/WEDGE INFLUENCE ON THE LEE OF THE APPALACHIANS.  
 
 
   
LONG TERM  
 
(SATURDAY THROUGH TUESDAY)  
ISSUED AT 817 PM CDT TUE OCT 20 2026  
 
BY SATURDAY, UPPER LEVEL RIDGING FROM THE CENTRAL CONUS WILL HAVE  
STRETCHED AND AMPLIFIED UP INTO THE GREAT LAKES REGION BUT ALSO  
PROGRESSED EAST INTO THE SOUTHEAST AS WELL. THIS WILL LARGELY PERSIST  
INTO NEXT WEEK; HOWEVER, SYNOPTIC GUIDANCE SUGGESTS THAT THIS RIDGE  
WILL WEAKEN AS A SHORTWAVE, MOVING ALONG THE FLOW OF A PARENT TROUGH  
SPANNING MUCH OF THE WESTERN CONUS, MAKES ITS WAY OVER THE  
MISSISSIPPI RIVER VALLEY ON TUESDAY. SURFACE HIGH PRESSURE ALSO LOOKS  
TO MAINTAIN ITS HOLD OVER THE REGION THROUGH MOST OF THE LONG TERM  
PERIOD. ALTHOUGH, THERE IS THE POTENTIAL FOR A TRAILING FRONT FROM A  
LOW PRESSURE SYSTEM SLATED TO SWING OVER CANADA TO SLOWLY PUSH  
SOUTHWARD TOWARDS THE TN VALLEY ON TUESDAY. ULTIMATELY, DRY WEATHER  
WILL COMPRISE MUCH OF THE FORECAST THROUGH AT LEAST MONDAY, WITH  
CONTINUED HIGH TEMPERATURES IN THE 70S AND LOWS IN THE 40S. QUESTIONS  
STILL REMAIN REGARDING ANY RAIN CHANCES FOR TUESDAY AND INTO  
MIDWEEK, BUT WE WILL MONITOR MODEL TRENDS OVER THE COMING DAYS. MAKE  
SURE TO CHECK BACK FOR UPDATES!  
 
 
   
AVIATION  
 
(06Z TAFS)  
ISSUED AT 1042 PM CDT TUE OCT 20 2026  
 
VFR CONDITIONS ARE FORECAST THROUGH THE TAF PERIOD ALONG WITH  
LIGHT, VARIABLE WINDS.  
 
 
   
HUN WATCHES/WARNINGS/ADVISORIES  
 
AL...NONE.  
TN...NONE.  
 
 
 
 
NEAR TERM...17  
SHORT TERM....17  
LONG TERM....26  
AVIATION...HC  
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