600  
FXUS62 KMLB 260559  
AFDMLB  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MELBOURNE FL  
159 AM EDT SUN JUL 26 2026  
   
..NEW AVIATION  
 
   
KEY MESSAGES  
 
ISSUED AT 300 PM EDT SAT JUL 25 2026  
 
- GRADUALLY INCREASING MOISTURE THROUGH THE WEEKEND AND EARLY NEXT  
WEEK WILL ALLOW RAIN CHANCES TO SLOWLY RETURN TO NEAR AND  
ABOVE NORMAL VALUES.  
 
- HIGHS IN THE LOW TO MID 90S WILL CONTINUE, WITH PEAK HEAT  
INDICES REACHING 102-107F EACH AFTERNOON, AND POTENTIALLY  
NEARING HEAT ADVISORY CRITERIA (108-110F) FOR PORTIONS OF THE  
AREA THIS WEEKEND AND INTO EARLY NEXT WEEK.  
 
 
   
DISCUSSION  
 
ISSUED AT 300 PM EDT SAT JUL 25 2026  
 
THROUGH TONIGHT...SCATTERED SHOWERS AND STORMS HAVE DEVELOPED  
ACROSS AREAS SOUTH OF ORLANDO THIS AFTERNOON, WITH THE EAST COAST  
SEA BREEZE JUST BARELY PUSHING PAST I-95. THESE STORMS ARE ALREADY  
PRODUCING FREQUENT LIGHTNING STRIKES. ACTIVITY IS ANTICIPATED TO  
CONTINUE DEVELOPING THROUGH THE REMAINDER OF THIS AFTERNOON, WITH  
THE HIGHEST COVERAGE ANTICIPATED TO REMAIN SOUTH OF ORLANDO. THE  
ENVIRONMENT REMAINS FAVORABLE FOR SOME ISOLATED STRONGER STORMS,  
WITH FREQUENT LIGHTNING STRIKES, WIND GUSTS UP TO 50 MPH, AND  
HEAVY DOWNPOURS REMAINING THE PRIMARY CONCERNS. WEAK WESTERLY  
WINDS ALOFT WILL LEAD TO SLOW AND ERRATIC STORM MOTIONS, INCREASING  
THE THREAT FOR LOCALIZED FLOODING IN ANY SPOTS THAT SEE REPEATED  
ROUNDS OF SLOW-MOVING ACTIVITY. SHOWERS AND STORMS ARE FORECAST  
TO GRADUALLY DIMINISH ACROSS THE PENINSULA BEYOND 10 PM, THOUGH  
SOME LIGHT, ISOLATED DEVELOPMENT ACROSS THE LOCAL ATLANTIC WATERS  
(ESPECIALLY THE GULF STREAM WATERS) CANNOT BE RULED OUT OVERNIGHT.  
 
TEMPERATURES ACROSS EAST CENTRAL FLORIDA REMAIN ON TRACK TO REACH  
THE LOW TO UPPER 90S THIS AFTERNOON, WITH THE WARMEST  
TEMPERATURES ANTICIPATED NEAR AND NORTH OF THE I-4 CORRIDOR. A  
HEAT ADVISORY REMAINS IN EFFECT THROUGH 7 PM ACROSS LAKE, ORANGE,  
SEMINOLE, VOLUSIA, AND BREVARD COUNTIES FOR PEAK HEAT INDICES OF  
108-110F. OVERNIGHT LOWS REMAIN IN THE 70S.  
 
SUNDAY...BROAD, WEAK RIDGING WILL REMAIN IN PLACE ALOFT AND AT  
THE SURFACE, KEEPING SOUTHWESTERLY WINDS GENERALLY LIGHT LOCALLY.  
THE EAST COAST SEA BREEZE IS FORECAST TO DEVELOP, THOUGH WEST TO  
NORTHWEST WINDS ALOFT WILL KEEP IT PINNED CLOSER TO THE COAST AND  
RESULT IN GREATER COVERAGE OF SHOWERS AND STORMS ACROSS THE  
EASTERN PORTION OF THE PENINSULA. SHOWER AND STORM DEVELOPMENT  
WILL BE FURTHER SUPPORTED BY A WAVE OF ENERGY ALOFT PUSHING  
SOUTHWARD ACROSS FLORIDA DURING THE AFTERNOON HOURS, WITH POPS  
RANGING BETWEEN 50-70% AREAWIDE. FREQUENT LIGHTNING STRIKES AND  
WIND GUSTS UP TO 55 MPH WILL BE POSSIBLE WITH ANY STORMS THAT  
MANAGE TO DEVELOP THANKS TO THE ENERGY ALOFT AND A POCKET OF DRIER  
AIR ABOVE 700 MB. ADDITIONALLY, WITH PWATS EXCEEDING 2.1"  
AREAWIDE, HEAVY DOWNPOURS ARE FORECAST WITH ACTIVITY, AND  
LOCALIZED FLOODING CANNOT BE RULED OUT. ALL OF EAST CENTRAL  
FLORIDA IS INCLUDED WITHIN A MARGINAL RISK (1/4) OF EXCESSIVE  
RAINFALL ON SUNDAY, WITH QUICK RAINFALL ACCUMULATIONS OF 2-4"  
POSSIBLE. AIDED BY THE WEST TO NORTHWEST FLOW ALOFT, SHOWERS AND  
STORMS ARE FORECAST TO MOVE OFFSHORE THROUGH THE EVENING AND  
OVERNIGHT HOURS, WITH ACTIVITY GRADUALLY DIMINISHING ACROSS THE  
PENINSULA THROUGH THE OVERNIGHT HOURS.  
 
TEMPERATURES ON SUNDAY ARE FORECAST TO RANGE FROM THE LOW 90S  
ACROSS THE TREASURE COAST AND NEAR LAKE OKEECHOBEE INTO THE MID TO  
UPPER 90S ELSEWHERE, WITH THE WARMEST TEMPERATURES FOCUSED NEAR  
AND NORTH OF THE I-4 CORRIDOR. PEAK HEAT INDICES RANGING FROM  
102-107F ARE ANTICIPATED AREAWIDE, WITH SOME SPOTS ACROSS THE  
NORTH POTENTIALLY EXCEEDING 108F ONCE AGAIN. OPTED TO WAIT AND SEE  
IF TRENDS HOLD, AND IF SO, WOULD NOT BE SURPRISED TO SEE ANOTHER  
HEAT ADVISORY NEEDED FOR NORTHERN PORTIONS OF EAST CENTRAL  
FLORIDA. RESIDENTS AND VISITORS PLANNING TO SPEND EXTENDED PERIODS  
OF TIME OUTDOORS TOMORROW WILL NEED TO REMAIN ADEQUATELY HYDRATED  
AND TAKE FREQUENT BREAKS IN THE SHADE OR AIR CONDITIONING IN  
ORDER TO AVOID DEVELOPING HEAT-RELATED ILLNESS. MUGGY CONDITIONS  
WILL CONTINUE INTO THE OVERNIGHT HOURS, WITH LOWS IN THE MID TO  
UPPER 70S.  
 
MONDAY-FRIDAY...BROAD RIDGING ALOFT CENTERED ACROSS TEXAS AND THE  
FOUR CORNERS REGION WILL REMAIN IN PLACE THROUGH TUESDAY, WITH  
ITS EASTERN RIDGE AXIS STRETCHING TOWARDS THE FLORIDA PENINSULA.  
AT THE SURFACE, BROAD, WEAK HIGH PRESSURE SITUATED ACROSS THE GULF  
AND ATLANTIC WATERS WILL LEAD TO CONTINUED OFFSHORE FLOW LOCALLY.  
PLENTIFUL MOISTURE, A DEVELOPING EAST COAST SEA BREEZE, AND SOME  
PULSES OF ENERGY ALOFT WILL SUPPORT CONVECTIVE DEVELOPMENT EACH  
AFTERNOON ACROSS EAST CENTRAL FLORIDA. COVERAGE OF SHOWERS AND  
STORMS REMAINS HIGH AT THIS TIME. BY MID WEEK, THE PATTERN BEGINS  
TO SHIFT SLIGHTLY. TROUGHING ACROSS THE EASTERN US WILL STRENGTHEN  
AND EXTEND SOUTHWARD, WITH 500 MB HEIGHTS FALLING MID TO LATE  
WEEK AS THE MID-LEVEL RIDGE GETS KICKED WESTWARD. AT THE SURFACE,  
THE TROUGH ALOFT WILL HELP PUSH A DECAYING SURFACE BOUNDARY  
SOUTHWARD TOWARDS THE FLORIDA PENINSULA, RESULTING IN ANOTHER  
SURGE OF MOISTURE AS WELL AS A TIGHTENING PRESSURE GRADIENT. SOME  
GUIDANCE SUGGESTS THIS BOUNDARY WILL STALL ACROSS THE PENINSULA,  
SLOWLY SHIFTING SOUTH THROUGH LATE WEEK. SOUTHWESTERLY WINDS ARE  
ANTICIPATED TO INCREASE LOCALLY, RESULTING IN LESS OF A CHANCE FOR  
THE EAST COAST SEA BREEZE TO DEVELOP. REGARDLESS, THE ENERGY  
ALOFT FROM THE STRENGTHENING TROUGH ALONG WITH THE PLUME OF  
MOISTURE WILL STILL SUPPORT SCATTERED TO NUMEROUS SHOWER AND STORM  
DEVELOPMENT EACH AFTERNOON ACROSS THE FLORIDA PENINSULA. OVERALL  
STORM HAZARDS LOOK TO REMAIN FAIRLY CONSISTENT EACH DAY, WITH  
LIGHTNING STRIKES, STRONG WIND GUSTS, AND HEAVY DOWNPOURS ALL  
POSSIBLE. THIS WILL BE AN ACTIVE WEEK, SO FLOODING WILL ALSO  
BE A CONCERN AS THE SOILS BECOME FURTHER SATURATED BY REPEATED  
ROUNDS OF RAINFALL. SHOWERS AND STORMS ARE ANTICIPATED TO FOLLOW A  
GENERAL DIURNAL PATTERN MONDAY AND TUESDAY, WITH ACTIVITY PUSHING  
OFFSHORE DURING THE LATE EVENING AND OVERNIGHT HOURS ACROSS THE  
LOCAL ATLANTIC WATERS. WEDNESDAY ONWARD, THERE IS A CHANCE FOR  
SOME LINGERING ACTIVITY ACROSS NORTHERN PORTIONS OF THE AREA WHERE  
THE FRONTAL BOUNDARY STALLS. TRENDS IN WHERE THE BOUNDARY STALLS  
WILL INFLUENCE THIS, SO WILL CONTINUE TO MONITOR.  
 
TEMPERATURES ARE FORECAST TO REMAIN NEAR TO SLIGHTLY ABOVE NORMAL  
THROUGH AT LEAST WEDNESDAY, REACHING THE MID 90S IN SPOTS.  
WIDESPREAD PEAK HEAT INDICES OF 102-107F ARE FORECAST, WITH SOME  
LOCATIONS POTENTIALLY EXCEEDING HEAT ADVISORY CRITERIA. THIS WILL  
CONTINUE TO BE MONITORED CLOSELY, AND PROPER HEAT PRODUCTS WILL BE  
ISSUED AS NEEDED. THE INCREASING MOISTURE AND RESULTING  
INCREASING CLOUD COVERAGE AND RAIN/STORM CHANCES WILL KEEP  
TEMPERATURES CLOSER TO NORMAL THURSDAY AND FRIDAY, THOUGH MUGGY  
CONDITIONS WILL KEEP PEAK HEAT INDICES OF 102-107F ACROSS EAST  
CENTRAL FLORIDA. LOWER CONFIDENCE IN REACHING HEAT ADVISORY  
CRITERIA THURSDAY ONWARD, BUT REGARDLESS, HEAT SAFETY WILL STILL  
BE KEY FOR RESIDENTS AND VISITORS OF THE EAST CENTRAL FLORIDA  
AREA. ADEQUATE HYDRATION, FREQUENT BREAKS IN THE SHADE OR AIR  
CONDITIONING, AND DRESSING IN LIGHTWEIGHT, LIGHTLY COLORED  
CLOTHING IF SPENDING EXTENDED PERIODS OF TIME OUTDOORS WILL HELP  
REDUCE THE CHANCE OF DEVELOPING HEAT ILLNESS NEXT WEEK.  
 
 
   
MARINE  
 
ISSUED AT 300 PM EDT SAT JUL 25 2026  
 
BROAD HIGH PRESSURE IS FORECAST TO REMAIN SITUATED ACROSS THE  
LOCAL ATLANTIC WATERS THROUGH MID WEEK, KEEPING BOATING CONDITIONS  
GENERALLY FAVORABLE THROUGH TUESDAY. SOUTHWESTERLY WINDS RANGING  
FROM 5 TO 15 KNOTS ARE FORECAST, WITH THE HIGHEST WINDS FORECAST  
IN THE AFTERNOON AND EVENING HOURS. SEAS OF 2 TO 4 FEET ARE  
ANTICIPATED. ISOLATED TO SCATTERED OFFSHORE-MOVING SHOWERS AND  
STORMS WILL BE POSSIBLE, PARTICULARLY DURING THE LATE AFTERNOON  
AND INTO THE OVERNIGHT HOURS. LIGHTNING STRIKES, WIND GUSTS IN  
EXCESS OF 34 KNOTS, AND HEAVY DOWNPOURS WILL BE POSSIBLE WITH ANY  
STORMS THAT DEVELOP.  
 
WEDNESDAY ONWARD, THE PATTERN SHIFTS AS A BOUNDARY DRIFTS  
SOUTHWARD TOWARDS THE FLORIDA PENINSULA AND THE LOCAL WATERS. A  
TIGHTENING PRESSURE GRADIENT WILL RESULT IN INCREASING OFFSHORE  
WINDS TO 15 TO 20 KNOTS, WITH SOME SPOTS ACROSS THE OFFSHORE  
WATERS EXCEEDING 20 KNOTS. SEAS GRADUALLY BUILD, REACHING 4-5 FEET  
ACROSS THE OFFSHORE WATERS WEDNESDAY THROUGH THURSDAY. THE  
BOUNDARY WILL RESULT IN INCREASING MOISTURE, WITH HIGHER RAIN AND  
STORM CHANCES FORECAST ACROSS THE WATERS THROUGH LATE WEEK. STORM  
HAZARDS WILL REMAIN THE SAME.  
 
 
   
AVIATION  
 
(06Z TAFS)  
ISSUED AT 159 AM EDT SUN JUL 26 2026  
 
LIGHT SOUTHWEST WINDS BECOME VARIABLE AT TIMES EARLY THIS MORNING,  
ESPECIALLY ACROSS THE INTERIOR, BEFORE SHIFTING NORTHWEST AROUND  
8 KTS INTO LATE MORNING. A DELAYED EAST COAST SEA BREEZE WILL BE  
SLOW TO MOVE INLAND THIS AFTERNOON AND EVENING, EVENTUALLY TURNING  
WINDS EAST ALONG THE COAST AND SOUTH-SOUTHWEST ACROSS PORTIONS OF  
THE INTERIOR. AN ACTIVE AFTERNOON/EVENING OF SCATTERED TO  
NUMEROUS SHOWERS AND STORMS IS FORECAST ACROSS MUCH OF EAST  
CENTRAL FLORIDA WITH VCTS MENTIONED AT ALL LOCAL TERMINALS BY  
17Z/18Z. HAVE OPTED TO INCLUDE PROB30S AT MCO/SUA (20Z/23Z) AND  
MLB/VRB/FPR (19Z/22Z) WITH THE 06Z TAF PACKAGE. ADDITIONAL PROB30S  
OR TEMPOS MAY BE NEEDED ACROSS MORE EAST CENTRAL FLORIDA  
TERMINALS WITH THE 12Z TAF PACKAGE AS CONFIDENCE INCREASES. SLOW  
MOVING SHOWERS AND STORMS MAY LINGER INTO THE EVENING, GENERALLY  
DIMINISHING AROUND 02Z OR A LITTLE AFTER.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
DAB 94 77 92 76 / 70 50 60 10  
MCO 96 78 94 77 / 70 30 70 30  
MLB 92 77 92 76 / 70 20 70 20  
VRB 92 75 93 75 / 60 20 60 30  
LEE 95 79 93 78 / 60 30 70 30  
SFB 95 78 93 77 / 70 40 70 30  
ORL 95 78 93 78 / 70 30 70 30  
FPR 92 74 92 74 / 70 20 60 40  
 
 
   
MLB WATCHES/WARNINGS/ADVISORIES  
 
FL...NONE.  
AM...NONE.  
 
 
 
 
DISCUSSION...TOLLEFSEN  
AVIATION...LAW  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab FL Page
Main Text Page