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

- Heat will be the primary weather concern through the rest of the week, as indices will approach the mid to upper 100s during the afternoons.

- A Saharan Air Layer will linger across the Keys this week, keeping rain and thunder chances slight at best.

AVIATION

(18Z TAFS) Issued at 115 PM EDT Thu Jul 16 2026 VFR conditions will prevail at both island terminals. A mix of FEW to occasionally SCT decks near FL020 will pass through, but rain chances are low, around 10 percent. Northeasterly surfaces winds of 5 to 10 knots will veer easterly during the overnight.

MARINE

Issued at 1130 AM EDT Thu Jul 16 2026 THere are no watches, warnings, or advisories in effect for the Florida Keys local waters. from synopsis, High pressure currently building over the eastern Gulf will continue to encourage generally gentle northeast to east breezes, occasionally becoming east to southeast. However, breezes will still tend to peak in the evening and overnight hours, before modestly lulling in the late morning and afternoon periods. A large area of Saharan dust will remain in place across the Florida Keys marine zones for the next several days, acting to limit rain and thunder chances.

PRELIMINARY POINT TEMPS/POPS

Key West 83 90 82 90 / 10 10 20 20 Marathon 82 90 82 90 / 10 10 20 20

KEY WATCHES/WARNINGS/ADVISORIES

FL...None. GM...None.

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