Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Last Update: 1030 PM EDT Sat Mar 21 2026

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For More Weather Information:

Key West, FL Local Forecast Office

5NM E Vaca Cut FL

Marine Zone Forecast


Overnight
North winds near 10 knots, decreasing to 5 to 10 knots. Seas around 2 feet, subsiding to 1 to 2 feet. Nearshore waters a light chop, becoming smooth to a light chop.
Sunday
North to northeast winds 5 to 10 knots, becoming northeast to east. Seas 1 to 2 feet. Nearshore waters smooth to a light chop.
Sunday Night Through Tuesday
Northeast to east winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop.
Tuesday Night
Northeast to east winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop.
Wednesday
Northeast to east winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. A slight chance of showers.
Wednesday Night
Northeast to east winds 5 to 10 knots, increasing to near 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop, becoming a light chop.
Thursday And Thursday Night
Northeast to east winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop.



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1030 PM EDT Sat Mar 21 2026
 
 

RADAR & SATELLITE IMAGES

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