Area Forecast Discussion
Issued by NWS Miami, FL
Issued by NWS Miami, FL
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180 FXUS62 KMFL 261042 AFDMFL Area Forecast Discussion National Weather Service Miami FL 642 AM EDT Sun Jul 26 2026 ...New AVIATION... .KEY MESSAGES... Updated at 641 AM EDT Sun Jul 26 2026 - Scattered thunderstorms this afternoon into early evening. Locally heavy rain may lead to isolated instances of urban or poor drainage flooding. - Heat index values over 100 degrees will continue through the upcoming work week. && .SHORT TERM... (Today through Monday) Issued at 103 AM EDT Sun Jul 26 2026 A pattern shift is expected today which will last into much of the next week. Surface high pressure over the north-central Gulf early this morning will slide to the southern Gulf throughout the day. Meanwhile, a surface front remains nearly stalled over the SE US with strong high pressure over the central Atlantic. At the upper levels, ridging remains over the western US and a longwave trough remains over the northeast US. Locally, our low and mid level flow will become more westerly today and Monday. This will focus the bulk of the convection over inland areas and towards the east coast metro. A river of enhanced moisture squeezed between the surface front and the strong high over the Atlantic will stretch back across FL. Forecast soundings show deep moisture throughout the column with PWAT values of 2.1-2.3 inches. Convection today and again on Monday will be maximized during the afternoon and early evening hours. With high rainfall rates expected and slow storm motions, will continue to be on the watch for isolated instances of urban and poor drainage flooding. Overnight tonight, convection will dissipate with just some widely scattered coastal showers and isolated thunderstorms expected. High temperatures today and Monday will be in the lower 90s. The heat combined with mid to upper 70s dewpoints will result in max heat indices both days in the 105-110 range. However, with the higher than average PoPs and timing of convection beginning early in the afternoon, it`ll be difficult to achieve advisory heat indices for at least a couple hours, therefore will hold off on headlines. Regardless though, anyone with outdoor plans should remain hydrated and take plenty of breaks to protect themselves from the heat. Overnight low temps tonight will range from the middle 70s over inland areas, to upper 70s closer to the coasts. && .LONG TERM... (Monday night through Saturday) Issued at 103 AM EDT Sun Jul 26 2026 The unsettled pattern will remain across South FL for the remainder of the upcoming work week. A broad upper level trough will remain over New England and the Mid Atlantic, with surface and upper level high pressure over the central Atlantic. The trough will likely deepen across the eastern US as the week progresses as the high in the Atlantic noses to the west. The area of enhanced moisture is expected to remain across South FL for much of the week. With the low/mid level flow remaining westerly, this will result in above average PoPs across the east coast metro each day. While the rainfall will be much appreciated given the ongoing drought, will need to be on guard for the potential of urban and poor drainage flooding each day across the metro. Temperatures during the extended period will remain above normal, with high temps generally in the low to mid 90s and low temps ranging from the middle 70s over inland South FL to around 80 closer to the coasts. && .AVIATION... (12Z TAFS) Issued at 641 AM EDT Sun Jul 26 2026 Light and variable winds this morning becoming westerly 5-10 kts late morning through the rest of the day. Scattered thunderstorms this afternoon into early evening may result in brief flight restrictions and erratic winds. && .MARINE... Issued at 103 AM EDT Sun Jul 26 2026 Gentle to moderate west/southwest breeze is expected across the Atlantic waters today, with moderate northwesterly winds across the Gulf. Seas in both the Atlantic and the Gulf will be a foot or less. Scattered thunderstorms over the area waters this morning and again late this evening may result in locally hazardous winds and seas. && .PRELIMINARY POINT TEMPS/POPS... Miami 91 77 92 78 / 80 30 60 20 West Kendall 91 74 92 75 / 80 30 60 20 Opa-Locka 92 77 93 78 / 80 30 50 20 Homestead 91 77 91 78 / 80 30 60 20 Fort Lauderdale 91 78 91 79 / 80 30 50 20 N Ft Lauderdale 91 78 92 78 / 80 30 50 20 Pembroke Pines 93 79 93 79 / 80 30 50 20 West Palm Beach 92 77 93 77 / 70 20 50 30 Boca Raton 91 76 91 77 / 80 20 50 30 Naples 90 79 91 80 / 60 40 30 40 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...None. AM...None. GM...None. && $$ SHORT TERM...CMF LONG TERM....CMF AVIATION...Rizzuto