110  
FXUS64 KTSA 271616  
AFDTSA  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE TULSA OK  
1116 AM CDT MON JUL 27 2026  
   
..NEW SHORT TERM, LONG TERM  
 
   
KEY MESSAGES  
 
UPDATED AT 1110 AM CDT MON JUL 27 2026  
 
- WIDESPREAD DANGEROUS HEAT CONTINUE THROUGH TUESDAY, WITH  
AFTERNOON HEAT INDICES OF 105-115 F. DANGEROUS HEAT PERSISTS  
FOR PORTIONS OF THE AREA THROUGH FRIDAY.  
 
- A MINOR COOL DOWN AND A CHANCE OF SHOWERS AND STORMS IS  
EXPECTED MID TO LATE WEEK. A MORE SUBSTANTIAL COOL DOWN MAY  
THEN OCCUR OVER THE WEEKEND.  
 
 
   
SHORT TERM  
 
(THROUGH TONIGHT )  
ISSUED AT 1110 AM CDT MON JUL 27 2026  
 
A STRONG AREA OF HIGH PRESSURE REMAINS OVERHEAD TODAY. LIKE THE LAST  
FEW DAYS, MODELS ARE PROBABLY TOO AGGRESSIVE WITH MIXING OUT LOW  
LEVEL MOISTURE, BUT EVEN SO, A MARGINAL REDUCTION IN AFTERNOON DEW  
POINTS IS EXPECTED. THIS WILL BE OFFSET BY SLIGHTLY HOTTER  
SURFACE CONDITIONS. AFTERNOON HIGHS WILL RANGE FROM THE MID 90S TO  
LOW 100S, WITH HEAT INDICES OF 105-112 F FOR MOST LOCATIONS.  
WIDESPREAD EXTREME HEAT WARNINGS AND HEAT ADVISORIES ARE IN  
EFFECT. NO RAIN, AND NOT EVEN MUCH IN THE WAY OF CLOUDS, IS  
EXPECTED. OVERNIGHT WILL BE VERY MILD AND QUIET, WITH LOWS IN THE  
70S TO NEAR 80 F.  
 
 
   
LONG TERM  
 
(TOMORROW THROUGH MONDAY)  
ISSUED AT 1110 AM CDT MON JUL 27 2026  
 
DANGEROUS HEAT CONTINUES TUESDAY WITH OVERALL SIMILAR CONDITIONS.  
ELECTED TO CONTINUE THE EXTREME HEAT WARNING FOR THE SAME AREAS THAT  
HAVE HAD ONE THE LAST FEW DAYS, WITH A HEAT ADVISORY ELSEWHERE. BY  
LATER TUESDAY MODEL GUIDANCE SHOWS A WEAK SHORTWAVE WITH ASSOCIATED  
STORMS ROUNDING THE UPPER LEVEL RIDGE. THESE MAY CLIP THE  
NORTHEASTERN PORTION OF THE FORECAST AREA. FOR NOW IMPACTS ARE  
EXPECTED TO BE MINIMAL.  
 
HEADING INTO THE WEDNESDAY THROUGH FRIDAY PERIOD, THE UPPER LEVEL  
RIDGE WILL SLIGHTLY WEAKEN ALONG WITH A SUBTLE SHIFT WESTWARD.  
THIS WILL ALLOW WEAK SHORTWAVES TO PASS THROUGH THE REGION. A  
SHALLOW WEAK COLD FRONT WILL ALSO STALL NEAR THE AREA DURING THIS  
PERIOD. INCREASING RAIN CHANCES WILL RESULT, MOSTLY 10-30 PERCENT,  
BUT LOCALLY A BIT HIGHER FOR PORTIONS OF FAR NORTHEAST OK AND  
NORTHWEST AR. THESE STORMS COULD PRODUCE GUSTY WINDS ALONG WITH  
LOCALLY HEAVY RAINFALL. TEMPERATURES ARE EXPECTED TO DROP  
SLIGHTLY, WITH HIGHS IN THE 90S. THE CORRESPONDING INCREASE IN  
DEW POINTS WILL KEEP HEAT INDICES ELEVATED, AND MAY REQUIRE THE  
CONTINUATION OF DAILY HEAT PRODUCTS FOR SOME AREAS.  
 
ENSEMBLE GUIDANCE IS HONING IN ON A MORE ROBUST COLD FRONT FRIDAY  
INTO SATURDAY. THERE IS NOT CURRENTLY MUCH OF A PRECIPITATION SIGNAL  
WITH IT, BUT IT DOES LOOK NOTABLY COOLER BEHIND IT. TEMPERATURES MAY  
DROP BELOW NORMAL FOR THE FIRST TIME IN A WHILE WITH HIGHS IN THE  
80S AND LOW 90S. AS THIS IS STILL MULTIPLE DAYS AWAY, SOME  
ADJUSTMENTS TO THE FORECAST ARE EXPECTED IN THE DAYS AHEAD.  
 
 
   
AVIATION  
 
(12Z TAFS)  
ISSUED AT 620 AM CDT MON JUL 27 2026  
 
VFR CONDITIONS WILL LIKELY PREVAIL THROUGH THE FORECAST PERIOD FOR  
ALL SITES. WINDS INCREASE DURING THE AFTERNOON HOURS OUT OF THE  
SOUTH-SOUTHWEST, GENERALLY BETWEEN 10 TO 15 KTS, BEFORE  
DECREASING AGAIN AFTER SUNSET. MOSTLY CLEAR SKIES ARE LIKELY WITH  
PERIODS OF FEW MID/HIGH CLOUDS TODAY AND TONIGHT. NO PRECIPITATION  
IS EXPECTED.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
TUL 102 81 103 82 / 0 0 0 0  
FSM 101 79 103 81 / 0 0 0 0  
MLC 99 79 101 79 / 0 0 0 0  
BVO 103 78 101 78 / 0 0 0 0  
FYV 97 77 98 77 / 0 0 0 20  
BYV 99 77 99 76 / 0 0 10 40  
MKO 99 77 100 79 / 0 0 0 0  
MIO 100 78 99 78 / 0 0 0 20  
F10 100 77 102 78 / 0 0 0 0  
HHW 97 76 99 77 / 0 0 0 0  
 
 
   
TSA WATCHES/WARNINGS/ADVISORIES  
 
OK...HEAT ADVISORY UNTIL 8 PM CDT THIS EVENING FOR OKZ049-053-063-068-  
069-073-075-172-276-376.  
 
HEAT ADVISORY FROM NOON TO 8 PM CDT TUESDAY FOR OKZ049-053-063-  
068-069-073-075-172-276-376.  
 
EXTREME HEAT WARNING UNTIL 8 PM CDT THIS EVENING FOR OKZ055>062-  
064>067-070-071-074-154-176-254-272-354.  
 
EXTREME HEAT WARNING FROM NOON TO 8 PM CDT TUESDAY FOR  
OKZ055>062-064>067-070-071-074-154-176-254-272-354.  
 
AR...HEAT ADVISORY UNTIL 8 PM CDT THIS EVENING FOR ARZ001-002-010-011-  
119-120-229.  
 
HEAT ADVISORY FROM NOON TO 8 PM CDT TUESDAY FOR ARZ001-002-010-  
011-119-120-229.  
 
EXTREME HEAT WARNING UNTIL 8 PM CDT THIS EVENING FOR ARZ129-219-  
220.  
 
EXTREME HEAT WARNING FROM NOON TO 8 PM CDT TUESDAY FOR ARZ129-  
219-220.  
 
 
 
 
 
SHORT TERM...06  
LONG TERM....06  
AVIATION...43  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab OK Page
The Nexlab AR Page
Main Text Page