226  
FXUS64 KTSA 310534  
AFDTSA  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE TULSA OK  
1234 AM CDT SUN MAY 31 2026  
   
..NEW AVIATION
 
 
   
KEY MESSAGES
 
 
UPDATED AT 1135 PM CDT SAT MAY 30 2026  
 
- RAIN/STORM CHANCES SUNDAY MORNING FAR NE OK INTO NW AR.  
 
- RAIN CHANCES DECREASE AND HOT AND HUMID WEATHER WILL PREVAIL  
SUNDAY AFTERNOON THROUGH TUESDAY. AFTERNOON HEAT INDEX VALUES MAY  
REACH TRIPLE DIGITS IN A FEW SPOTS EACH DAY.  
 
- UNSETTLED WEATHER RETURNS LATE NEXT WEEK INTO NEXT WEEKEND WITH  
DAILY SHOWER AND STORM CHANCES.  
 

 
   
SHORT TERM
 
 
(THROUGH SUNDAY)  
ISSUED AT 1135 PM CDT SAT MAY 30 2026  
 
STORMS THAT DEVELOPED ON THE DRYLINE DURING THE AFTERNOON WERE  
MAINLY NEAR AND NORTH OF THE KANSAS BORDER AND STAYED WEST OF THE  
FORECAST AREA. THE MAIN STORM ACTIVITY DURING THE AFTERNOON WAS  
OVER NW AR, FIRST WITH MORE SPOTTY STORMS AND THEN WITH AN  
OUTFLOW BOUNDARY FROM STORMS OVER SW MO. THOSE STORMS HAVE FADED  
THIS EVENING. THE LATEST HRRR KEEPS THE OVERNIGHT FAIRLY QUIET  
ACROSS THE AREA, ASIDE FROM SOME ELEVATED SPOTTY SHOWERS. THERE ARE  
HINTS IN THE DATA OF SOME WARM ADVECTION SHOWERS AND STORMS SUNDAY  
MORNING IN THE VICINITY OF AND ON THE COOL SIDE OF THE OUTFLOW  
BOUNDARY DRAPED ACROSS FAR NE OK AND NW AR. RISING UPPER HEIGHTS ON  
SUNDAY WITH THE DEPARTURE OF THE CENTRAL CONUS UPPER TROUGH WILL  
RESULT IN A HOT AND HUMID DAY. WITH HIGHS IN THE LOW 90S EXPECTED,  
AFTERNOON HEAT INDICES WILL TOUCH THE TRIPLE DIGIT MARK IN SEVERAL  
LOCATIONS. THE LATEST HRRR DOES INDICATE AN ISOLATED SHOWER OR STORM  
COULD DEVELOP ACROSS NE OK ALONG A SURFACE TROUGH AND ON THE EDGE OF  
THE CAP OVER NW AR AROUND AND ESPECIALLY AFTER 00Z SUNDAY EVENING.  
 
LACY  
 

 
   
LONG TERM
 
 
(SUNDAY NIGHT THROUGH SATURDAY)  
ISSUED AT 1135 PM CDT SAT MAY 30 2026  
 
UPPER HEIGHTS CONTINUE TO RISE INTO MONDAY AS THE CENTRAL CONUS  
RIDGE AMPLIFIES/BROADENS AND ANOTHER AFTERNOON WITH HIGHS IN THE LOW  
90S AND HEAT INDICES NEAR THE TRIPLE DIGITS IS EXPECTED. THE UPPER  
RIDGE HOLDS FIRM ON TUESDAY WITH ANOTHER HOT AND HUMID DAY ON TAP.  
TEMPERATURES AND HUMIDITY WILL DIAL BACK A BIT BY WEDNESDAY AND  
THURSDAY AS AN EXPANSIVE SURFACE HIGH CENTERED OVER THE GREAT LAKES  
BACK-DOORS SOME COOLER AND DRIER AIR INTO THE FORECAST AREA FROM THE  
EAST AND NORTHEAST. THE BEST RAIN/STORM CHANCES SHOULD STAY WEST OF  
THE FORECAST AREA IN THIS SCENARIO. THE CENTRAL CONUS RIDGE SHIFTS  
EAST DURING THE LATTER PART OF THE WEEK, AND RAIN/STORM CHANCES WILL  
RAMP UP NEXT FRIDAY INTO SATURDAY WITH SW FLOW ALOFT INCREASING  
AHEAD OF A WEAK SOUTHERN STREAM TROUGH OVER THE SOUTHWEST.  
 
LACY  
 

 
   
AVIATION
 
 
(06Z TAFS)  
ISSUED AT 1234 AM CDT SUN MAY 31 2026  
 
MID AND HIGH CLOUDS REMAIN COMMON ACROSS THE CWA INTO SUNDAY  
MORNING, WHILE SCATTERED SPRINKLES/LIGHT RAIN MOVES THROUGH.  
DURING THE DAY SUNDAY, SCATTERED DIURNAL MID CLOUDS BECOME COMMON  
OVER THE CWA WITH HIGH CLOUDS ALSO REMAINING FOR NORTHWEST  
ARKANSAS. THERE COULD BE A BRIEF PERIOD OF MVFR CEILINGS LATE  
MORNING AS THE DIURNAL CLOUDS BEGIN TO DEVELOP. SLIGHT CHANCES OF  
CONVECTION ARE FORECAST FOR WESTERN ARKANSAS SUNDAY. FOR NOW  
THOUGH WILL KEEP A MENTION OUT OF THE TAFS DUE TO UNCERTAINTY OF  
COVERAGE/DEVELOPMENT. BY SUNDAY EVENING, A FEW HIGH CLOUDS ARE  
FORECAST. WINDS THROUGH THE PERIOD REMAIN SOUTHERLY FOR MOST  
LOCATIONS, WITH BREEZY/GUSTY CONDITIONS SUNDAY AFTERNOON. THE  
EXCEPTION TO THIS WILL BE KFSM WITH EASTERLY WINDS TONIGHT BEFORE  
BECOMING SOUTHERLY BY EARLY AFTERNOON. VFR CONDITIONS ARE FORECAST  
THROUGH THE TAF PERIOD.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
TUL 73 94 71 89 / 0 0 20 10  
FSM 72 95 72 91 / 10 0 10 10  
MLC 75 95 72 92 / 0 0 10 10  
BVO 71 94 68 88 / 10 0 20 10  
FYV 73 92 70 88 / 10 10 10 10  
BYV 69 89 66 83 / 20 10 10 10  
MKO 72 93 70 90 / 0 0 10 10  
MIO 71 92 68 87 / 20 0 10 10  
F10 72 95 70 90 / 0 0 10 10  
HHW 73 94 72 93 / 0 0 10 10  
 

 
   
TSA WATCHES/WARNINGS/ADVISORIES
 
 
OK...NONE.  
AR...NONE.  

 
 

 
 
SHORT TERM...30  
LONG TERM....30  
AVIATION...20  
 
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