902  
FXUS64 KHUN 172018  
AFDHUN  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE HUNTSVILLE AL  
318 PM CDT SAT OCT 17 2026  
   
..NEW NEAR TERM  
 
   
KEY MESSAGES  
 
UPDATED AT 1106 AM CDT SAT OCT 17 2026  
 
- A BREEZY/VERY COOL DAY ON TAP TODAY WITH HIGHS ONLY IN THE  
UPPER 50S TO AROUND 65 DEGREES. A SLOW WARM UP TO MORE TYPICAL  
FALL TEMPERATURES ARE EXPECTED INTO NEXT WEEK.  
 
- NORTHERLY WINDS OF 10-15 MPH (WITH GUSTS UP TO 20-30 MPH) WILL  
LAST THROUGH THIS AFTERNOON.  
 
- PATCHY FROST MAY OCCUR EARLY SUNDAY AND MONDAY MORNINGS IN A  
FEW WIND-SHELTERED LOCATIONS ACROSS SOUTHERN TN AND NORTHEAST  
AL.  
 
 
   
NEAR TERM  
 
(TONIGHT)  
ISSUED AT 318 PM CDT SAT OCT 17 2026  
 
CLOUD COVER HAS PRIMARILY DISSIPATED IN MOST AREAS, THOUGH SOME  
SCATTERED CUMULUS IS LINGERING IN PORTIONS OF NE ALABAMA. TEMPERATURES  
HAVE CLIMBED INTO THE 59 TO 64 DEGREE RANGE SO FAR AND COULD TOP  
OUT AROUND 65 DEGREES IN A FEW SPOTS.  
 
N TO NNE WINDS OF 10 TO 20 MPH WITH SOME GUSTS UP TO 30 MPH WILL  
LIKELY REMAIN POSSIBLE INTO VERY EARLY EVENING HOURS BEFORE  
BEGINNING TO WEAKEN. MANY AREAS WILL LIKELY SEE WINDS AROUND 5  
MPH LAST THROUGH MUCH OF THE NIGHT THOUGH. THE EXCEPTION TO THIS  
WILL LIKELY BE IN SOUTHERN MIDDLE TENNESSEE AND MAYBE SOME  
ISOLATED SHELTERED VALLEY LOCATIONS IN NE ALABAMA. IN THOSE AREAS,  
COULD SEE SOME ISOLATED PATCHY FROST. DUE TO ITS EXPECTED  
ISOLATED COVERAGE, LITTLE TO NO IMPACT IS EXPECTED. IF FORECAST  
TRENDS FOR WINDS WEAKEN MORE THAN EXPECTED TONIGHT, A FROST  
PRODUCT MAY HAVE TO BE CONSIDERED IN NORTHERN ALABAMA. LOWS SHOULD  
DROP INTO THE 39 TO 45 DEGREE RANGE IN MOST AREAS. IN SHELTERED  
VALLEY LOCATIONS OF NE ALABAMA AND PORTIONS OF SOUTHERN MIDDLE  
TENNESSEE, SOME LOWS COULD DROP TO BETWEEN 36 AND 39 DEGREES.  
 
 
   
SHORT TERM  
 
(SUNDAY THROUGH TUESDAY)  
ISSUED AT 1106 AM CDT SAT OCT 17 2026  
 
UPPER LEVEL RIDGING BUILDS EAST INTO THE TENNESSEE VALLEY IN  
EARNEST ON SUNDAY IN MOST GUIDANCE. AS THE PRESSURE GRADIENT  
WEAKENS, WINDS BETWEEN 5 AND 10 MPH ARE EXPECTED. IT SHOULD BE  
WARMER ON SUNDAY WITH ABUNDANT SUNSHINE. HIGHS SHOULD CLIMB BACK  
INTO THE MID 60S TO AROUND 70 DEGREES. EVEN DRIER CONDITIONS ARE  
EXPECTED IN THE AFTERNOON, AS EVEN BETTER MIXING OF DRIER AIR  
ALOFT IS EXPECTED TO OCCUR FOR A LONGER PERIOD ON SUNDAY. RH  
VALUES IN THE AFTERNOON WILL LIKELY DROP TO BETWEEN 25 AND 30  
PERCENT IN MANY AREAS. JUST A TAD WARMER LOWS ARE EXPECTED SUNDAY  
NIGHT, MAINLY DROPPING TO BETWEEN 38 AND 46 DEGREES IN MOST AREAS.  
 
THE SURFACE HIGH AND UPPER LEVEL RIDGING REMAINS IN PLACE OVER  
THE EASTERN CONUS ON MONDAY. WITH SUNNY SKIES AND A BIT MORE OF  
AN EASTERLY LOW LEVEL WIND COMPONENT UPSTREAM, TEMPERATURES  
SHOULD CONTINUE TO TREND WARMER, REACHING THE UPPER 60S TO LOWER  
70S IN THE AFTERNOON. WINDS SHOULD BE JUST BIT LIGHTER FROM THE E  
OR ESE. MODELS ARE HINTING THAT EASTERLY FLOW WILL ADVECT EVEN  
DRIER AIR INTO THE AREA (DEWPOINTS IN THE LOWER TO MID 30S  
PRIMARILY). THIS AND SLIGHTLY HIGHER LOW TEMPERATURES SHOULD KEEP  
FROST AT BAY.  
 
MONDAY NIGHT LOWS WILL SLOWLY CONTINUE TO WARMUP DROPPING INTO THE  
40 TO 45 DEGREE RANGE UNDER CLEAR SKIES.  
 
 
   
LONG TERM  
 
(TUESDAY NIGHT THROUGH FRIDAY)  
ISSUED AT 1106 PM CDT FRI OCT 16 2026  
 
OVERALL, IT LOOKS LIKE THE FALL-LIKE WEATHER WILL LARGELY CONTINUE  
THROUGH FRIDAY. A STOUT UPPER RIDGE WILL BUILD OVER THE CENTRAL CONUS  
AND INTO THE SOUTH THIS NEXT WEEK AS AN UPPER TROUGH PERSISTS OVER  
THE EASTERN SEABOARD. BY THURSDAY/FRIDAY, THE UPPER RIDGE STARTS TO  
PUSH EASTWARD AS A SHORTWAVE TROUGH SWINGS OVER THE NORTH-CENTRAL  
PORTION OF THE COUNTRY. MEANWHILE, SURFACE HIGH PRESSURE LOOKS TO  
REMAIN ENTRENCHED OVER THE GREAT LAKES AND DOWN INTO THE DEEP SOUTH  
THROUGH THE WEEK. OVERALL, LITTLE TO NO RAINFALL WILL BE THE THEME  
THROUGH THIS NEXT WORK WEEK. HIGHS WARM INTO THE 70S FOR MUCH OF THE  
WEEK BEFORE INCREASING INTO THE LOWER 80 DEGREES FOR SOME LOCATIONS  
BY LATE WEEK AS THE AXIS OF THE AFOREMENTIONED UPPER RIDGE MOVES OVER  
THE THE REGION. LOWS WILL GENERALLY REMAIN IN THE 40S FOR MOST OF  
THE WEEK. ALTHOUGH, SOME LOCATIONS MAY SEE LOWS AROUND 50 DEGREES BY  
THURSDAY NIGHT. ULTIMATELY, IT MIGHT BE A GOOD IDEA TO GRAB AT LEAST  
A LIGHT JACKET WHEN HEADING OUT THE DOOR THIS WEEK!  
 
 
   
AVIATION  
 
(18Z TAFS)  
ISSUED AT 1230 PM CDT SAT OCT 17 2026  
 
VFR CONDITIONS ARE EXPECTED THROUGHOUT THE TAF PERIOD. SUSTAINED N  
TO NNW WINDS BETWEEN 10 AND 15 KNOTS GUSTING TO AROUND 25 KNOTS  
ARE EXPECTED INTO THE AFTERNOON HOURS BEFORE BECOMING LIGHTER.  
THESE WINDS ARE EXPECTED TO DROP TO AROUND 5 KNOTS LATER THIS  
EVENING. CLEAR SKIES WILL CONTINUE WITH WINDS BECOMING MORE  
EASTERLY ON SUNDAY AROUND 5 MPH OR LESS.  
 
 
   
HUN WATCHES/WARNINGS/ADVISORIES  
 
AL...NONE.  
TN...NONE.  
 
 
 
 
NEAR TERM...KTW  
SHORT TERM....KTW  
LONG TERM....26  
AVIATION...KTW  
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