FNUS72 KMLB 180734 FWSMLB Spot Forecast for JDSP near entrance...Florida Park Service National Weather Service Melbourne FL 334 AM EDT Mon May 18 2026 Forecast is based on ignition time of 1000 EDT on May 18. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... High pressure maintains easterly flow through this week, increasing to around 15 mph with gusts 20-25 mph behind the sea breeze each afternoon. Isolated to scattered showers will be possible, as moisture increases into this afternoon and cells drift onshore from the Atlantic. A few strong storms cannot be ruled out, with wind gusts up to 50 mph and small hail, in addition to lightning strikes. Elevated winds during the overnight hours are expected to limit any fog development. No min RH concerns, with good afternoon smoke dispersion. .TODAY... Sky/weather.........Mostly sunny (25-35 percent). Slight chance of showers and thunderstorms in the late morning and early afternoon. Then, chance of showers and thunderstorms late in the afternoon. Chance of pcpn......30 percent. Max temperature.....Around 86. Min humidity........70 percent. Wind (20 ft)........East winds 13 to 16 mph. Gusty and erratic winds expected near thunderstorms. Mixing height.......1200 ft AGL increasing to 3000 ft AGL in the late morning and afternoon. Transport winds.....East 15 to 17 mph. Dispersion index....12 increasing to 51. LVORI...............4 decreasing to 3 in the afternoon. TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........30 31 32 31 35 32 31 35 Weather cov.....SCH SCH SCH SCH SCH SCH SCH CHC Weather type....RW RW RW RW RW RW RW RW Tstm cov........ SCH SCH SCH SCH SCH SCH CHC Chc of pcpn (%).20 20 20 20 20 20 20 30 Temp............83 84 84 85 84 85 84 84 RH..............72 72 72 70 72 70 72 72 20 FT wind dir..E E E E E E E E 20 FT wind spd..15 15 15 15 16 16 15 16 20 FT wind gust.21 23 22 23 23 23 23 23 Mix hgt (kft)...2.7 3.0 3.0 3.0 3.0 2.9 2.7 2.9 Transp wind dir.E E E E E E E E Transp wind spd.16 17 17 16 16 16 17 17 Dispersion idx..51 52 51 52 52 51 50 51 LVORI...........3 3 2 2 3 2 3 3 .TONIGHT... Sky/weather.........Partly cloudy (30-40 percent). Chance of thunderstorms in the evening. Chance of showers in the evening and overnight. Chance of pcpn......40 percent. Min temperature.....Around 77. Max humidity........82 percent. Wind (20 ft)........East winds 10 to 15 mph. Gusty and erratic winds expected near thunderstorms in the evening. Mixing height.......600 ft AGL. Transport winds.....East 15 to 17 mph. Dispersion index....44 decreasing to 13 early in the evening. LVORI...............4. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........37 42 39 43 33 41 40 36 28 33 40 39 Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC Weather type....RW RW RW RW RW RW RW RW Tstm cov........CHC CHC CHC CHC CHC Chc of pcpn (%).30 30 40 30 30 30 30 30 10 10 10 10 Temp............83 81 80 80 79 79 79 79 79 79 79 78 RH..............72 77 79 79 82 79 79 79 79 79 79 82 20 FT wind dir..E E E E E E E E E E E E 20 FT wind spd..15 15 14 14 13 13 10 10 10 10 10 10 20 FT wind gust.22 22 21 21 21 21 20 20 20 18 18 18 Mix hgt (kft)...2.4 2.2 1.3 0.7 0.7 0.8 0.8 0.7 0.7 0.6 0.6 0.6 Transp wind dir.E E E E E E E E E E E E Transp wind spd.17 17 16 17 17 17 17 17 15 16 15 15 Dispersion idx..47 40 15 15 15 15 12 12 11 10 12 10 LVORI...........3 3 4 4 4 4 4 4 4 4 4 4 .TUESDAY... Sky/weather.........Mostly sunny (30-40 percent). Chance of showers and thunderstorms. Chance of pcpn......40 percent. Max temperature.....Around 86. Min humidity........68 percent. Wind (20 ft)........East winds 10 to 13 mph. Gusty and erratic winds expected near thunderstorms. Mixing height.......1500 ft AGL increasing to 3700 ft AGL in the late morning and afternoon. Transport winds.....East 15 to 17 mph. Dispersion index....11 increasing to 54. LVORI...............4 decreasing to 3 in the afternoon. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........34 30 31 34 33 37 39 36 36 30 30 32 Weather cov.....SCH SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC Weather type....RW RW RW RW RW RW RW RW RW RW RW RW Tstm cov........SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC CHC Chc of pcpn (%).20 20 40 40 40 40 40 30 30 30 30 30 Temp............79 79 80 82 84 84 85 85 85 86 84 84 RH..............79 79 79 74 70 72 70 70 70 68 72 72 20 FT wind dir..E E E E E E E E E E E E 20 FT wind spd..10 12 12 12 12 13 13 13 13 13 13 13 20 FT wind gust.18 18 18 20 18 20 20 21 21 21 20 20 Mix hgt (kft)...0.7 0.7 1.5 2.7 3.1 3.3 3.5 3.3 3.1 3.7 3.4 3.1 Transp wind dir.E E E E E E E E E E E E Transp wind spd.15 15 16 16 16 17 16 16 15 16 17 16 Dispersion idx..10 11 34 52 57 57 55 53 49 58 57 51 LVORI...........4 4 3 3 3 3 2 2 3 2 3 3 $$ Forecaster...Wishard Requested by...Rob Type of request...PRESCRIBED .TAG 2613878.0/MLB .DELDT 05/18/26 .FormatterVersion 2.0.0 .EMAIL robin.rossmanith@floridadep.gov