246  
FXUS64 KTSA 291732  
AFDTSA  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE TULSA OK  
1232 PM CDT SAT AUG 29 2026  
   
..NEW AVIATION  
 
   
KEY MESSAGES  
 
UPDATED AT 1122 AM CDT SAT AUG 29 2026  
 
- AN EXTENDED PERIOD OF HOT AND DRY WEATHER WILL PERSIST THROUGH  
AT LEAST THE FIRST WEEK OF SEPTEMBER. DAILY HEAT HEADLINES ARE  
LIKELY.  
 
- THE ONLY POSSIBILITY OF RAIN WILL BE A VERY SLIGHT CHANCE OF DIURNAL  
HIGH TERRAIN SHOWERS THE MIDDLE OF NEXT WEEK.  
 
- THE ONGOING DROUGHT SITUATION WILL CONTINUE TO WORSEN.  
LOCALIZED FIRE WEATHER CONCERNS WILL DEVELOP EACH DAY.  
 
 
   
SHORT TERM  
 
(THROUGH TONIGHT )  
ISSUED AT 1122 AM CDT SAT AUG 29 2026  
 
HOT TEMPERATURES HAVE RETURNED TO THE AREA, WITH HIGHS EXPECTED TO  
BE IN THE UPPER 90S TO LOW 100S ACROSS THE FORECAST AREA. WITH DEW  
POINTS IN THE LOW TO MID 60S, HEAT INDICES WILL ONLY BE SLIGHTLY  
ABOVE ACTUAL TEMPERATURES. ACCORDINGLY, NO HEAT PRODUCTS ARE IN  
EFFECT FOR THIS AFTERNOON. SKIES WILL BE MOSTLY CLEAR WITH JUST A  
FEW HIGH CLOUDS AND MODEST SOUTHERLY WIND.  
 
OVERNIGHT TONIGHT, SOUTHERLY WINDS WILL NOT TOTALLY DIE OFF, WHICH  
WILL HELP KEEP LOWS HIGHER. MOST LOCATIONS WILL REMAIN IN THE 70S  
WITH CONTINUED DRY CONDITIONS.  
 
 
   
LONG TERM  
 
(TOMORROW THROUGH SATURDAY)  
ISSUED AT 1122 AM CDT SAT AUG 29 2026  
 
THE ANOMALOUSLY STRONG UPPER LEVEL HIGH WILL CONTINUE TO SIT NEARLY  
OVERHEAD SUNDAY AND INTO EARLY NEXT WEEK. UPPER LEVEL HEIGHTS AND  
TEMPERATURES WILL MOSTLY BE ABOVE THE 90TH PERCENTILE FOR THIS TIME  
OF YEAR. THIS WILL KEEP CONDITIONS HOT AND STAGNANT, WITH AFTERNOON  
HIGHS REMAINING 98-103 AND OVERNIGHT LOWS IN THE 70S. MOSTLY TRIMMED  
TEMPERATURES TO SLIGHTLY BELOW NBM VALUES, WHICH LOOK TOO HOT  
OVERALL. WITH CONTINUOUS MODEST SOUTHERLY FLOW, DEW POINTS WILL  
GRADUALLY RISE. THESE FACTORS WILL SUPPORT AFTERNOON HEAT INDICES OF  
105-110 FOR GOOD CHUNKS OF EASTERN OK AND WEST- CENTRAL AR. A HEAT  
ADVISORY IS IN EFFECT SUNDAY FOR NORTHEAST OK, WITH ADDITIONAL  
HEADLINES LIKELY IN THE COMING DAYS.  
 
FOR THE MIDDLE TO END OF NEXT WEEK THE UPPER LEVEL HIGH WILL  
SLIGHTLY SHIFT, AND BECOME CENTERED JUST EAST OF THE AREA, WITH  
MOISTURE LEVELS SLOWLY CLIMBING AS THIS OCCURS. OVERALL, THE SAME  
GENERAL PATTERN OF HEAT AND DRY WEATHER WILL PERSIST. HOWEVER, THE  
INCREASE IN MOISTURE WILL BE JUST ENOUGH FOR AT LEAST THE CHANCE OF  
SOME HIGHER TERRAIN DIURNAL SHOWERS OR STORMS (10-15 PERCENT  
CHANCE). EVEN LONGER RANGE GUIDANCE (BEYOND DAY 7) HAS UNUSUALLY  
HIGH CONFIDENCE IN THE UPPER LEVEL RIDGE REMAINING NEAR OR OVERHEAD  
THROUGH AT LEAST THE NEXT 10 DAYS AND LIKELY BEYOND.  
 
FIRE WEATHER CONCERNS WILL CONTINUE EACH AFTERNOON OF THE NEXT WEEK  
DUE TO HOT, DRY, AND BREEZY CONDITIONS. ENSEMBLE GUIDANCE SHOWS  
SUNDAY AND MONDAY AS THE BREEZIEST DAYS OVERALL.  
 
 
   
AVIATION  
 
(18Z TAFS)  
ISSUED AT 1232 PM CDT SAT AUG 29 2026  
 
FEW TO SCATTERED HIGH CLOUDS AND WINDS BETWEEN EASTERLY AND  
SOUTHERLY SHOULD REMAIN COMMON OVER THE CWA THROUGH THE TAF  
PERIOD. VFR CONDITIONS ARE FORECAST THROUGH THE PERIOD.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
TUL 100 77 102 78 / 0 0 0 0  
FSM 101 70 101 75 / 0 0 0 0  
MLC 102 75 101 76 / 0 0 0 0  
BVO 101 75 101 74 / 0 0 0 0  
FYV 97 71 97 72 / 0 0 0 0  
BYV 95 71 97 73 / 0 0 0 0  
MKO 99 72 100 74 / 0 0 0 0  
MIO 98 74 99 76 / 0 0 0 0  
F10 101 74 101 75 / 0 0 0 0  
HHW 99 72 100 75 / 0 0 0 0  
 
 
   
TSA WATCHES/WARNINGS/ADVISORIES  
 
OK...HEAT ADVISORY FROM NOON TO 8 PM CDT SUNDAY FOR OKZ055>057-  
059>062-064-067-154-254-354.  
 
AR...NONE.  
 
 
 
 
SHORT TERM...06  
LONG TERM....06  
AVIATION...20  
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