textproduct: Key West
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- Measurable rain chances will stay low for each forecast period through this weekend, generally at 20% or less.
- Conditions will remain seasonably warm and muggy.
- There will be little relief in the warm temperatures overnight, with minimum temperatures near record values in the lower to mid 80s for most communities.
DISCUSSION
Issued at 511 AM EDT Wed Jun 24 2026 Another muggy early morning is ongoing for the Florida Keys as broad high pressure continues to dominate the weather. Last nights 00z sounding indicated a dry profile likely due to a plume of Saharan Air Layer dust moving west through the Straits of Florida. Temperatures across the island chain are currently in the mid 80s with dewpoints in the mid 70s. Along the Reef, marine locations are recording easterly winds at near 5 knots. KBYX radar is detecting scattered showers with isolated thunderstorms but nothing expected to impact the island chain at this time. Dry air will continue to cap much in the sense of vertical development through the next few days, resulting in 10-20% PoPs through this weekend. During the days heating combined with dewpoints in the upper 70s will make for higher heat indices. Not much is expected to change from what we've been experiencing this week thus far. Stay hydrated!
MARINE
Issued at 511 AM EDT Wed Jun 24 2026 No watches, warnings, or advisories are currently in effect for the Florida Keys waters. From synopsis, a broad high pressure system stretching from the Gulf Basin, eastward to the Florida Peninsula, and into the central North Atlantic will largely dictate the sensible weather for the Florida Keys marine zones through the weekend. While maintaining east to southeast breezes, the high will fluctuate in strength. Light to gentle breezes will modestly freshen by Thursday, with gentle to moderate breezes then continuing through the weekend.
AVIATION
(06Z TAFS) Issued at 511 AM EDT Wed Jun 24 2026 VFR conditions will prevail at both EYW and MTH through the TAF period. Shower development will remain limited through the afternoon due to dry air. Near surface winds will be light and east to southeasterly.
KEY WATCHES/WARNINGS/ADVISORIES
FL...None. GM...None.
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