508
FNUS72 KMLB 150742
FWSMLB

Spot Forecast for No Name Slough...South Florida Water Managment District
National Weather Service Melbourne FL
342 AM EDT Tue Sep 15 2026

Forecast is based on ignition time of 0900 EDT on September 15.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Light east winds early this morning increase to 10 mph this afternoon,
becoming gusty. Mostly dry conditions are forecast early in the day.
Scattered showers and storms then approach from the east generally after
1PM. Fair smoke dispersion is forecast. There are no critical RH concerns.

.REST OF TODAY...

Sky/weather.........Mostly sunny (35-45 percent) then becoming
                    mostly cloudy (65-75 percent). Showers likely
                    and chance of thunderstorms in the afternoon.
Chance of pcpn......60 percent.
Max temperature.....Around 92.
Min humidity........66 percent.
Wind (20 ft)........Light winds becoming east 5 to 9 mph with gusts
                    to around 20 mph. Gusty and erratic winds expected
near thunderstorms.
Mixing height.......2000 ft AGL increasing to 3700 ft AGL late in
                    the morning.
Transport winds.....East 6 to 10 mph.
Dispersion index....15 increasing to 30 in the afternoon.
LVORI...............6 decreasing to 3 in the late morning and
                    afternoon.

TIME (EDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........21  13  22  34  41  56  66  72  69
Weather cov.....            SCH CHC LKY LKY CHC CHC
Weather type....            RW  RW  RW  RW  RW  RW
Tstm cov........            SCH CHC CHC CHC CHC CHC
Chc of pcpn (%).0   0   10  20  30  60  60  50  40
Temp............80  85  88  89  89  88  90  87  85
RH..............94  82  72  68  68  68  66  70  75
20 FT wind dir..E   E   E   E   E   E   NE  E   E
20 FT wind spd..2   3   5   6   7   8   8   9   9
20 FT wind gust.6   7   9   12  13  15  17  18  20
Mix hgt (kft)...0.8 2.0 2.9 3.4 3.6 3.7 3.1 2.3 2.0
Transp wind dir.E   E   E   E   E   E   NE  NE  E
Transp wind spd.6   6   6   6   7   8   9   10  10
Dispersion idx..6   15  22  25  30  27  30  28  29
LVORI...........6   4   3   3   3   3   3   3   3

.TONIGHT...

Sky/weather.........Mostly cloudy (45-55 percent) then becoming
                    partly cloudy (25-35 percent). Chance of
                    showers and thunderstorms early in the evening.
Slight chance of showers after 3 am.
Chance of pcpn......40 percent.
Min temperature.....Around 73.
Max humidity........100 percent.
Wind (20 ft)........East winds 5 to 9 mph with gusts to around 20
                    mph in the evening becoming light, then
                    becoming northeast 5 to 6 mph after 3 am. Gusty
                    and erratic winds expected near thunderstorms
                    early in the evening.
Mixing height.......400 ft AGL.
Transport winds.....Northeast 6 to 12 mph.
Dispersion index....25 decreasing to 3.
LVORI...............4 increasing to 9.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........51     48     12     12     16     29
Weather cov.....CHANCE S CHC                       S CHC
Weather type....RNSHWR RNSHWR NONE   NONE   NONE   RNSHWR
Tstm cov........CHANCE S CHC
Chc of pcpn (%).40     20     10     10     10     20
Temp............84     79     77     76     75     75
RH..............77     88     94     97     97     97
20 ft wind......E 9    E 7    NE 5   NE 5   NE 3   NE 5
20 ft wind gust.20     16     13     12     10     12
Mix hgt (ft)....1700   500    500    400    400    400
Transport wind..E 12   E 9    E 7    E 7    NE 7   NE 6
Dispersion idx..25     6      3      3      3      3
LVORI...........3      5      6      7      8      9

.WEDNESDAY...

Sky/weather.........Mostly sunny (35-45 percent). Chance of showers
                    in the morning. Chance of thunderstorms through
                    the day. Showers likely in the afternoon.
Chance of pcpn......70 percent.
Max temperature.....Around 90.
Min humidity........68 percent.
Wind (20 ft)........Northeast winds 6 to 15 mph increasing to 16 to
                    17 mph with gusts to around 31 mph late in the
                    afternoon. Gusty and erratic winds expected
                    near thunderstorms.
Mixing height.......2300 ft AGL increasing to 3800 ft AGL late in
                    the morning.
Transport winds.....Northeast 6 to 15 mph increasing to 16 to 17
                    mph in the afternoon.
Dispersion index....4 increasing to 58.
LVORI...............9 decreasing to 3 late in the morning decreasing
                    to 2 early in the afternoon increasing to 3.

TIME (EDT)      6 AM         10 AM        2 PM
Sky (%).........26           33           53
Weather cov.....S CHC        CHANCE       LIKELY
Weather type....RNSHWR       RNSHWR       RNSHWR
Tstm cov........                          CHANCE
Chc of pcpn (%).20           40           60
Temp............74           84           88
RH..............97           82           68
20 FT wind......NE 6G13      NE 10G17     NE 15G25
Mix hgt (ft)....400          2300         3000
Transport wind..NE 6         NE 14        NE 16
Dispersion idx..3            41           55
LVORI...........8            3            1

$$
Forecaster...Law
Requested by...Andrew West
Type of request...PRESCRIBED
.TAG 2621868.0/MLB
.DELDT 09/15/26
.FormatterVersion 2.0.0
.EMAIL anwest@sfwmd.gov