762
FNUS52 KMLB 181901
FWFMLB
FIRE WEATHER PLANNING FORECAST FOR EAST CENTRAL FLORIDA
NATIONAL WEATHER SERVICE MELBOURNE FL
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
DISCUSSION
LIGHT WESTERLY FLOW BETWEEN A STALLED FRONT OVER THE SOUTHEAST AND
HIGH PRESSURE IN THE ATLANTIC WILL CONTINUE THROUGH THE WEEK.
DEVELOPMENT OF THE EAST COAST SEA BREEZE WILL BE SLOWED BY THE
OFFSHORE FLOW, WITH THE ONSHORE WIND SHIFT BEHIND THE BOUNDARY
MAINLY LIMITED TO THE COASTAL CORRIDOR. INCREASING MOISTURE BRINGS
RAIN AND STORM CHANCES NEAR TO SLIGHTLY ABOVE NORMAL, HIGHEST IN THE
AFTERNOON AND EVENING ALONG THE SEA BREEZE COLLISION OVER THE
EASTERN SIDE OF THE PENINSULA. NO MIN RH CONCERNS. AFTERNOON
DISPERSION VALUES WILL BE FAIR TO GOOD WEDNESDAY, AND MORE POOR TO
FAIR THURSDAY. WHILE HIGH TEMPERATURES BEGIN TO BACK OFF FROM THE M-
U90S TO THE L-M90S, INCREASING HUMIDITY WILL KEEP PEAK AFTERNOON
HEAT INDICES AT OR ABOVE 106, AND ADDITIONAL HEAT ADVISORIES MAY BE
NEEDED.
FOG POTENTIAL...WIDESPREAD FOG IS NOT FORECAST. LOCALIZED VISIBILITY
REDUCTIONS DUE TO SMOKE FROM NEW OR EXISTING FIRES WILL BE POSSIBLE
EVEN IF FOG IS NOT FORECAST.
FLZ044-190800-
NORTHERN LAKE-
INCLUDING THE CITIES OF EUSTIS, MOUNT DORA, LEESBURG, AND TAVARES
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 50 70
CHANCE OF THUNDER (%) 30 60 50 70
MIN/MAX TEMP 77 96 75 96
MAX/MIN RH % 97 53 100 54
20FT WND MPH (AM) W 4 LGT/VAR
20FT WND MPH (PM) W 7 G21 W 5 LGT/VAR SW 3
PRECIP AMOUNT 0.07 0.26 0.16 0.16
PRECIP DURATION 0 4 1 4
PRECIP BEGIN 6 PM 9 AM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 11 PM CONTINUING
MIXING HGT(FT-AGL) 400 5200 400 5300
TRANSPORT WND (MPH) W 9 W 10 W 6 W 7
DISPERSION INDEX 4 65 2 42
MAX LVORI 6 7
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY. LOWS
IN THE MID 70S. HIGHS IN THE MID 90S. CHANCE OF RAIN 70 PERCENT.
SOUTH WINDS UP TO 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTH WINDS UP TO 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.
FLZ144-190800-
SOUTHERN LAKE-
INCLUDING THE CITIES OF CLERMONT, MASCOTTE, AND GROVELAND
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 60 40 70
CHANCE OF THUNDER (%) 20 60 40 70
MIN/MAX TEMP 77 95 76 95
MAX/MIN RH % 97 56 100 56
20FT WND MPH (AM) W 5 LGT/VAR
20FT WND MPH (PM) W 8 G21 W 7 W 4 W 4
PRECIP AMOUNT 0.02 0.23 0.10 0.11
PRECIP DURATION 0 4 1 4
PRECIP BEGIN 6 PM 7 AM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 10 PM CONTINUING
MIXING HGT(FT-AGL) 400 4500 400 4400
TRANSPORT WND (MPH) W 9 W 12 W 6 W 7
DISPERSION INDEX 3 61 2 38
MAX LVORI 6 8
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY. LOWS
IN THE MID 70S. HIGHS IN THE MID 90S. CHANCE OF RAIN 70 PERCENT.
SOUTH WINDS UP TO 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FLZ041-190800-
INLAND VOLUSIA-
INCLUDING THE CITIES OF DEBARY, DELAND, AND DELTONA
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 70 50 70
CHANCE OF THUNDER (%) 30 70 50 70
MIN/MAX TEMP 77 96 75 95
MAX/MIN RH % 100 53 100 55
20FT WND MPH (AM) W 5 LGT/VAR
20FT WND MPH (PM) W 6 G18 W 4 LGT/VAR S 3
PRECIP AMOUNT 0.12 0.33 0.21 0.18
PRECIP DURATION 0 3 1 4
PRECIP BEGIN 6 PM 12 PM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 11 PM CONTINUING
MIXING HGT(FT-AGL) 400 5700 400 5300
TRANSPORT WND (MPH) W 9 W 7 SW 6 W 6
DISPERSION INDEX 4 56 2 41
MAX LVORI 7 8
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY. LOWS
IN THE MID 70S. HIGHS IN THE MID 90S. CHANCE OF RAIN 70 PERCENT.
SOUTH WINDS UP TO 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTH WINDS UP TO 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.
FLZ141-190800-
COASTAL VOLUSIA-
INCLUDING THE CITIES OF DAYTONA BEACH, NEW SMYRNA BEACH,
AND ORMOND BEACH
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 40 50
CHANCE OF THUNDER (%) 30 50 40 50
MIN/MAX TEMP 77 94 76 94
MAX/MIN RH % 100 56 100 60
20FT WND MPH (AM) W 6 LGT/VAR
20FT WND MPH (PM) W 6 SE 5 SW 3 SE 6
PRECIP AMOUNT 0.11 0.24 0.16 0.11
PRECIP DURATION 0 1 1 1
PRECIP BEGIN 6 PM 12 PM CONTINUING 8 AM
PRECIP END 9 PM CONTINUING 9 PM CONTINUING
MIXING HGT(FT-AGL) 400 5500 400 4300
TRANSPORT WND (MPH) W 10 W 6 W 7 S 7
DISPERSION INDEX 4 45 3 30
MAX LVORI 6 8
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY. LOWS
IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
60 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FLZ046-190800-
SEMINOLE-
INCLUDING THE CITIES OF ALTAMONTE SPRINGS, CASSELBERRY, OVIEDO,
SANFORD, AND WINTER SPRINGS
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 70 50 70
CHANCE OF THUNDER (%) 30 70 50 70
MIN/MAX TEMP 78 95 77 95
MAX/MIN RH % 97 56 100 56
20FT WND MPH (AM) W 6 LGT/VAR
20FT WND MPH (PM) W 9 G19 W 6 SW 3 SW 4
PRECIP AMOUNT 0.12 0.30 0.16 0.18
PRECIP DURATION 0 4 1 4
PRECIP BEGIN 6 PM 11 AM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 10 PM CONTINUING
MIXING HGT(FT-AGL) 400 5000 400 5200
TRANSPORT WND (MPH) W 9 W 8 W 6 W 7
DISPERSION INDEX 4 56 2 40
MAX LVORI 6 8
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY. LOWS
IN THE MID 70S. HIGHS IN THE MID 90S. CHANCE OF RAIN 70 PERCENT.
SOUTHWEST WINDS UP TO 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FLZ045-190800-
ORANGE-
INCLUDING THE CITIES OF APOPKA, MAITLAND, ORLANDO, WINTER PARK,
AND UNION PARK
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 50 70
CHANCE OF THUNDER (%) 30 60 50 70
MIN/MAX TEMP 78 95 76 95
MAX/MIN RH % 97 54 100 53
20FT WND MPH (AM) W 6 SW 3
20FT WND MPH (PM) W 8 G20 W 7 W 4 SW 4
PRECIP AMOUNT 0.06 0.23 0.11 0.14
PRECIP DURATION 0 4 1 4
PRECIP BEGIN 6 PM 9 AM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 10 PM CONTINUING
MIXING HGT(FT-AGL) 400 5200 400 5000
TRANSPORT WND (MPH) W 8 W 9 W 6 W 7
DISPERSION INDEX 3 62 2 38
MAX LVORI 6 7
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY. LOWS
IN THE MID 70S. HIGHS IN THE MID 90S. CHANCE OF RAIN 70 PERCENT.
SOUTHWEST WINDS UP TO 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE MID 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.
FLZ053-190800-
OSCEOLA-
INCLUDING THE CITIES OF CELEBRATION, KISSIMMEE, AND SAINT CLOUD
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 50 70
CHANCE OF THUNDER (%) 20 60 50 70
MIN/MAX TEMP 75 95 74 94
MAX/MIN RH % 100 56 100 56
20FT WND MPH (AM) W 6 LGT/VAR
20FT WND MPH (PM) W 6 G19 W 6 LGT/VAR SW 4
PRECIP AMOUNT 0.03 0.22 0.11 0.11
PRECIP DURATION 0 4 1 4
PRECIP BEGIN 6 PM 10 AM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 9 PM CONTINUING
MIXING HGT(FT-AGL) 400 4800 400 4900
TRANSPORT WND (MPH) W 8 W 9 W 6 W 7
DISPERSION INDEX 3 51 2 43
MAX LVORI 8 9
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE MID 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FLZ247-190800-
INLAND NORTHERN BREVARD-
INCLUDING THE CITY OF CANAVERAL GROVES
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 50 60
CHANCE OF THUNDER (%) 40 60 50 60
MIN/MAX TEMP 78 96 77 95
MAX/MIN RH % 100 58 100 58
20FT WND MPH (AM) W 5 LGT/VAR
20FT WND MPH (PM) W 6 W 4 LGT/VAR S 4
PRECIP AMOUNT 0.12 0.29 0.14 0.12
PRECIP DURATION 1 3 1 4
PRECIP BEGIN 6 PM 12 PM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 9 PM CONTINUING
MIXING HGT(FT-AGL) 400 5200 400 4900
TRANSPORT WND (MPH) W 9 W 7 W 6 W 6
DISPERSION INDEX 4 49 2 36
MAX LVORI 7 8
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY. LOWS
IN THE MID 70S. HIGHS IN THE MID 90S. CHANCE OF RAIN 70 PERCENT.
SOUTHWEST WINDS UP TO 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE MID 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE MID 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FLZ347-190800-
MAINLAND NORTHERN BREVARD-
INCLUDING THE CITIES OF TITUSVILLE, PORT SAINT JOHN, AND MIMS
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 50 60
CHANCE OF THUNDER (%) 40 60 50 60
MIN/MAX TEMP 78 95 76 94
MAX/MIN RH % 100 60 100 62
20FT WND MPH (AM) W 5 LGT/VAR
20FT WND MPH (PM) W 6 W 5 LGT/VAR S 4
PRECIP AMOUNT 0.12 0.29 0.14 0.09
PRECIP DURATION 1 3 1 4
PRECIP BEGIN 6 PM 12 PM CONTINUING 8 AM
PRECIP END 9 PM CONTINUING 9 PM CONTINUING
MIXING HGT(FT-AGL) 400 5100 400 4700
TRANSPORT WND (MPH) W 9 W 6 SW 6 W 6
DISPERSION INDEX 4 44 2 33
MAX LVORI 7 8
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. THUNDERSTORMS LIKELY AND A SLIGHT CHANCE
OF SHOWERS. LOWS IN THE MID 70S. HIGHS IN THE MID 90S. CHANCE OF
RAIN 60 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FLZ447-190800-
NORTHERN BREVARD BARRIER ISLANDS-
INCLUDING THE CITIES OF MERRITT ISLAND WILDLIFE REFUGE AND
PLAYALINDA BEACH
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 40 50
CHANCE OF THUNDER (%) 40 50 40 50
MIN/MAX TEMP 78 94 77 93
MAX/MIN RH % 100 58 100 60
20FT WND MPH (AM) W 6 LGT/VAR
20FT WND MPH (PM) W 5 S 4 SW 3 SE 5
PRECIP AMOUNT 0.12 0.23 0.11 0.05
PRECIP DURATION 1 2 1 1
PRECIP BEGIN 6 PM 12 PM CONTINUING 8 AM
PRECIP END 9 PM CONTINUING 9 PM CONTINUING
MIXING HGT(FT-AGL) 400 4600 300 4100
TRANSPORT WND (MPH) W 10 SW 5 W 7 SW 7
DISPERSION INDEX 3 38 2 28
MAX LVORI 6 8
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FLZ547-190800-
INLAND SOUTHERN BREVARD-
INCLUDING THE CITIES OF PALM BAY WEST OF I 95 AND VIERA WEST
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 50 60
CHANCE OF THUNDER (%) 30 60 50 60
MIN/MAX TEMP 77 95 75 94
MAX/MIN RH % 100 58 100 58
20FT WND MPH (AM) W 6 LGT/VAR
20FT WND MPH (PM) W 4 W 5 LGT/VAR S 4
PRECIP AMOUNT 0.07 0.33 0.17 0.08
PRECIP DURATION 0 4 1 4
PRECIP BEGIN 6 PM 11 AM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 9 PM CONTINUING
MIXING HGT(FT-AGL) 400 5000 400 4800
TRANSPORT WND (MPH) W 8 W 8 W 6 W 7
DISPERSION INDEX 3 48 2 37
MAX LVORI 6 8
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE MID 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE MID 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FLZ647-190800-
MAINLAND SOUTHERN BREVARD-
INCLUDING THE CITIES OF COCOA, ROCKLEDGE, AND MELBOURNE
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 40 50
CHANCE OF THUNDER (%) 40 60 40 50
MIN/MAX TEMP 78 95 76 94
MAX/MIN RH % 97 60 100 60
20FT WND MPH (AM) W 6 LGT/VAR
20FT WND MPH (PM) SW 5 W 5 SW 3 SE 6
PRECIP AMOUNT 0.09 0.35 0.17 0.06
PRECIP DURATION 0 3 1 1
PRECIP BEGIN 6 PM 12 PM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 10 PM CONTINUING
MIXING HGT(FT-AGL) 400 4800 400 4400
TRANSPORT WND (MPH) W 9 W 7 W 6 W 7
DISPERSION INDEX 3 43 2 33
MAX LVORI 6 7
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FLZ747-190800-
SOUTHERN BREVARD BARRIER ISLANDS-
INCLUDING THE CITIES OF COCOA BEACH, SATELLITE BEACH,
AND MELBOURNE BEACH
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 40 50
CHANCE OF THUNDER (%) 40 50 40 50
MIN/MAX TEMP 79 93 78 92
MAX/MIN RH % 100 60 100 62
20FT WND MPH (AM) W 7 SW 3
20FT WND MPH (PM) SW 5 SE 6 SW 4 SE 7
PRECIP AMOUNT 0.11 0.29 0.14 0.04
PRECIP DURATION 1 1 1 1
PRECIP BEGIN 6 PM 12 PM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 9 PM CONTINUING
MIXING HGT(FT-AGL) 400 4100 400 3500
TRANSPORT WND (MPH) SW 7 W 6 W 7 SW 8
DISPERSION INDEX 3 27 3 28
MAX LVORI 6 7
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS AROUND 90. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 10 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS AROUND 90. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 10 MPH.
FLZ254-190800-
INLAND INDIAN RIVER-
INCLUDING THE CITY OF FELLSMERE
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 60 50 60
CHANCE OF THUNDER (%) 20 60 50 60
MIN/MAX TEMP 76 95 74 94
MAX/MIN RH % 100 56 100 56
20FT WND MPH (AM) W 5 LGT/VAR
20FT WND MPH (PM) SW 4 W 5 LGT/VAR S 4
PRECIP AMOUNT 0.04 0.29 0.19 0.08
PRECIP DURATION 0 2 1 4
PRECIP BEGIN 6 PM 11 AM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 10 PM CONTINUING
MIXING HGT(FT-AGL) 400 4900 300 4500
TRANSPORT WND (MPH) W 8 W 7 W 6 W 6
DISPERSION INDEX 3 44 2 34
MAX LVORI 7 8
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FLZ154-190800-
COASTAL INDIAN RIVER-
INCLUDING THE CITIES OF SEBASTIAN AND VERO BEACH
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 50 40 60
CHANCE OF THUNDER (%) 20 50 40 50
MIN/MAX TEMP 77 94 76 93
MAX/MIN RH % 97 58 100 60
20FT WND MPH (AM) W 6 LGT/VAR
20FT WND MPH (PM) S 5 W 5 SW 3 SE 5
PRECIP AMOUNT 0.07 0.35 0.19 0.08
PRECIP DURATION 0 1 1 1
PRECIP BEGIN 6 PM 12 PM CONTINUING 8 AM
PRECIP END 9 PM CONTINUING 10 PM CONTINUING
MIXING HGT(FT-AGL) 400 4900 300 4000
TRANSPORT WND (MPH) W 9 NW 6 SW 6 SW 7
DISPERSION INDEX 3 38 2 26
MAX LVORI 6 8
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FLZ259-190800-
INLAND SAINT LUCIE-
INCLUDING THE CITIES OF TRADITION AND SAINT LUCIE WEST
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 60 50 60
CHANCE OF THUNDER (%) 20 60 50 60
MIN/MAX TEMP 76 95 75 93
MAX/MIN RH % 100 55 100 58
20FT WND MPH (AM) W 4 LGT/VAR
20FT WND MPH (PM) SW 5 W 5 LGT/VAR S 4
PRECIP AMOUNT 0.04 0.25 0.14 0.13
PRECIP DURATION 0 2 1 4
PRECIP BEGIN 6 PM 12 PM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 10 PM CONTINUING
MIXING HGT(FT-AGL) 400 4900 400 4400
TRANSPORT WND (MPH) W 8 W 7 S 5 W 5
DISPERSION INDEX 3 45 2 33
MAX LVORI 7 8
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FLZ159-190800-
COASTAL SAINT LUCIE-
INCLUDING THE CITIES OF FORT PIERCE AND PORT SAINT LUCIE
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 50 40 60
CHANCE OF THUNDER (%) 20 50 40 60
MIN/MAX TEMP 77 94 75 92
MAX/MIN RH % 100 58 100 60
20FT WND MPH (AM) W 4 LGT/VAR
20FT WND MPH (PM) S 5 SE 5 LGT/VAR SE 5
PRECIP AMOUNT 0.05 0.29 0.15 0.12
PRECIP DURATION 0 1 1 4
PRECIP BEGIN 6 PM 12 PM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 10 PM CONTINUING
MIXING HGT(FT-AGL) 400 4700 300 4100
TRANSPORT WND (MPH) W 8 NW 6 W 6 SW 6
DISPERSION INDEX 3 40 2 31
MAX LVORI 6 8
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTH WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FLZ264-190800-
INLAND MARTIN-
INCLUDING THE CITY OF INDIANTOWN
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 50 40 60
CHANCE OF THUNDER (%) 20 50 40 60
MIN/MAX TEMP 76 95 75 94
MAX/MIN RH % 100 55 100 58
20FT WND MPH (AM) W 4 LGT/VAR
20FT WND MPH (PM) SW 5 W 5 LGT/VAR S 3
PRECIP AMOUNT 0.02 0.15 0.09 0.11
PRECIP DURATION 0 1 1 4
PRECIP BEGIN 6 PM 12 PM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 11 PM CONTINUING
MIXING HGT(FT-AGL) 400 5200 400 4800
TRANSPORT WND (MPH) W 8 W 7 W 6 W 6
DISPERSION INDEX 3 41 2 34
MAX LVORI 6 8
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTH WINDS UP TO 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FLZ164-190800-
COASTAL MARTIN-
INCLUDING THE CITIES OF HOBE SOUND, JENSEN BEACH, AND STUART
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 50 40 60
CHANCE OF THUNDER (%) 20 50 40 60
MIN/MAX TEMP 77 95 76 93
MAX/MIN RH % 100 58 100 58
20FT WND MPH (AM) NW 5 LGT/VAR
20FT WND MPH (PM) S 6 E 5 LGT/VAR SE 5
PRECIP AMOUNT 0.03 0.20 0.12 0.12
PRECIP DURATION 0 1 1 4
PRECIP BEGIN 6 PM 12 PM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 10 PM CONTINUING
MIXING HGT(FT-AGL) 400 4900 300 4600
TRANSPORT WND (MPH) W 8 NW 6 SW 7 NW 6
DISPERSION INDEX 3 39 2 30
MAX LVORI 6 8
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FLZ058-190800-
OKEECHOBEE-
INCLUDING THE CITIES OF BASINGER, FORT DRUM, AND OKEECHOBEE
300 PM EDT TUE AUG 18 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 60 50 60
CHANCE OF THUNDER (%) 20 60 50 60
MIN/MAX TEMP 75 95 74 94
MAX/MIN RH % 100 54 100 54
20FT WND MPH (AM) W 4 LGT/VAR
20FT WND MPH (PM) W 6 G19 W 5 LGT/VAR SW 3
PRECIP AMOUNT 0.02 0.22 0.14 0.10
PRECIP DURATION 0 2 1 4
PRECIP BEGIN 6 PM 11 AM CONTINUING 7 AM
PRECIP END 9 PM CONTINUING 11 PM CONTINUING
MIXING HGT(FT-AGL) 400 4800 400 5000
TRANSPORT WND (MPH) W 8 W 7 SW 5 W 6
DISPERSION INDEX 3 47 2 43
MAX LVORI 8 9
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN
50 PERCENT. SOUTHWEST WINDS UP TO 5 MPH.
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