275  
FXUS64 KTSA 120528  
AFDTSA  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE TULSA OK  
1228 AM CDT SAT SEP 12 2026  
   
..NEW AVIATION
 
 
   
KEY MESSAGES
 
 
UPDATED AT 1117 PM CDT FRI SEP 11 2026  
 
- THUNDERSTORM CHANCES RETURN SATURDAY WITH MEDIUM CONFIDENCE  
IN EXACT PLACEMENT AND COVERAGE.  
 
- UNSEASONABLY HOT TEMPERATURES CONTINUE THIS WEEKEND THROUGH AT  
LEAST THE MIDDLE OF NEXT WEEK. EXPECT HEAT HEADLINES AT TIMES.  
 
- WHILE MUCH OF THE REGION HAS RECEIVED RAINFALL OVER THE PAST 36  
HOURS, THE ONGOING DROUGHT CONDITIONS WILL REQUIRE MUCH MORE  
RAINFALL FOR IMPROVEMENT. FIRE WEATHER CONCERNS WILL CONTINUE  
DURING PERIODS OF STRONGER WINDS.  
 

 
   
SHORT TERM
 
 
(THROUGH SATURDAY)  
ISSUED AT 1117 PM CDT FRI SEP 11 2026  
 
THE REST OF THE ONGOING OVERNIGHT PERIOD SHOULD BE ON THE QUIETER  
SIDE, WITH THE AFTERNOON AND EVENING STORMS HAVING DIMINISHED WITH  
SUNSET. OVERNIGHT LOWS SHOULD BE IN THE LOW TO MID 70S IN MOST  
AREAS, WITH AREAS NEAR THE KANSAS BORDER AND IN FAR NORTHWEST  
ARKANSAS DIPPING INTO THE 60S.  
 
THE FORECAST FOR SATURDAY REMAINS SOMEWHAT IN QUESTION, WITH  
CONCERNS REVOLVING AROUND HOW MUCH THUNDERSTORM COVERAGE OCCURS  
TOMORROW AND HOW FAR SOUTH. MOST OF THE CAMS AND SOME OF THE  
SYNOPTIC MODELS ARE LARGELY IN AGREEMENT THAT A THUNDERSTORM  
COMPLEX WILL DEVELOP TO THE NORTH AND PUSH SOUTHWARD INTO  
NORTHEAST OKLAHOMA MID TO LATE MORNING TOMORROW AS A MID LEVEL  
DISTURBANCE DROPS SOUTHWARD THROUGH THE AREA. IF THIS OCCURS AS  
EXPECTED, THIS WOULD LIKELY PUSH THE AFTERNOON THUNDERSTORM  
POTENTIAL INTO AREAS NEAR AND SOUTH OF I-40. THIS IS THE IDEA THAT  
WILL BE FEATURED IN THIS EVENING/S FORECAST. WITH THESE  
EXPECTATIONS, AREAS ALONG AND SOUTH OF I-40 SHOULD BE HOT ONCE  
AGAIN, WITH POTENTIAL FOR PEAK HEAT INDEX VALUES ABOVE 105. A HEAT  
ADVISORY WILL BE ISSUED FOR THIS AREA SATURDAY, GIVEN THE HIGHER  
CONFIDENCE THERE. IF THE STORM COVERAGE IS NOT AS GREAT, THE  
ADVISORY MAY NEED TO BE EXPANDED NORTHWARD BY LATER SHIFTS.  
 

 
   
LONG TERM
 
 
(SATURDAY NIGHT THROUGH FRIDAY)  
ISSUED AT 1117 PM CDT FRI SEP 11 2026  
 
SOMEWHAT HIGHER UNCERTAINTY EXISTS FOR THE SATURDAY EVENING INTO  
SUNDAY MORNING PERIOD, WITH ANOTHER BATCH OF THUNDERSTORMS  
ADVERTISED ACROSS PARTS OF NORTHEAST OKLAHOMA AND INTO NORTHWEST  
ARKANSAS DURING THIS TIME FRAME IN ASSOCIATION WITH A WEAK FRONT  
IN THE VICINITY OF THE KANSAS BORDER. SHOWERS AND STORMS MAY  
LINGER INTO THE DAYLIGHT HOURS SUNDAY, PRIMARILY ACROSS FAR  
NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS, WITH HOT AND DRY  
WEATHER PREVAILING THEREAFTER THROUGH AT LEAST THE EARLY PART OF  
NEXT WEEK. ADDITIONAL HEAT HEADLINES WILL LIKELY BE NEEDED DURING  
THIS TIME FRAME. BREEZY CONDITIONS ON SUNDAY, MONDAY AND TUESDAY  
WILL FUEL INCREASED FIRE WEATHER CONCERNS, WITH THE RECENT RAINS  
NOT BEING NEARLY ENOUGH TO SQUELCH THE IMPACT OF THE ONGOING  
DROUGHT. TOWARD THE END OF NEXT WEEK, A COLD FRONT CONTINUES TO BE  
ADVERTISED IN THE LONGER RANGE MODELS, BUT THE TIMING AND STRENGTH  
OF THE FRONT REMAINS IN QUESTION. IF/WHEN IT DOES COME THROUGH, AN  
INCREASE IN SHOWER AND THUNDERSTORM POTENTIAL WILL ACCOMPANY IT.  
 

 
   
AVIATION
 
 
(06Z TAFS)  
ISSUED AT 1228 AM CDT SAT SEP 12 2026  
 
MOSTLY VFR CONDITIONS ARE EXPECTED THROUGH THE PERIOD WITH A FEW  
POSSIBLE EXCEPTIONS. SOME PATCHY FOG WILL BE POSSIBLE TONIGHT,  
MOSTLY ACROSS NW AR, WITH KFYV HAVING THE BEST CHANCE AT SEEING  
ANY IMPACTS TO VISIBILITY. BY LATE MORNING, A COMPLEX OF STORMS  
COULD APPROACH NE OK SITES, WHILE IN A WEAKENING STATE. PROB30  
GROUPS HAVE BEEN INTRODUCED FOR THIS SCENARIO. ANY STORMS SHOULD  
DISSIPATE BY EARLY AFTERNOON. ADDITIONAL STORM DEVELOPMENT IS  
POSSIBLE LATE IN THE TAF PERIOD, BUT UNCERTAINTY REMAINS TOO HIGH  
AT THIS POINT TO INTRODUCE MENTION WITH THE EXCEPTION OF KBVO.  
WINDS WILL GENERALLY REMAIN LIGHT OUT OF THE SOUTH TO SOUTHEAST  
OUTSIDE OF ANY CONVECTIVE INFLUENCES.  
 
BOWLAN  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
TUL 96 74 98 78 / 30 40 10 0  
FSM 99 74 101 75 / 30 20 10 0  
MLC 100 75 101 76 / 30 10 0 0  
BVO 94 67 98 70 / 40 40 20 0  
FYV 94 68 97 71 / 30 40 20 0  
BYV 93 70 95 72 / 40 40 20 0  
MKO 97 71 98 73 / 30 10 10 0  
MIO 93 70 95 72 / 40 40 20 0  
F10 98 72 100 74 / 30 10 0 0  
HHW 99 74 98 74 / 20 0 0 0  
 

 
   
TSA WATCHES/WARNINGS/ADVISORIES
 
 
OK...HEAT ADVISORY FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR  
OKZ049-053-065-066-070-071-073>075-176-272.  
 
AR...HEAT ADVISORY FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR  
ARZ129-219-220.  
 

 
 

 
 
SHORT TERM...22  
LONG TERM....22  
AVIATION...04  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab OK Page
The Nexlab AR Page Main Text Page