Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation
Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >
Hazardous Weather Conditions
Last Update: 1022 AM EDT Sat Aug 29 2026
For More Weather Information:
3NM SE Key Largo FL
Marine Zone Forecast
This Afternoon
East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. A chance of showers and thunderstorms.
Tonight
Northeast to east winds 10 to 15 knots, becoming east to southeast. Seas around 2 feet. Nearshore waters a light to moderate chop. A chance of showers and thunderstorms.
Sunday
East to southeast 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. A chance of showers and thunderstorms.
Sunday Night
Northeast to east winds 10 to 15 knots, becoming east to southeast. Seas around 2 feet. Nearshore waters a light to moderate chop. A chance of showers and thunderstorms.
Monday
East to southeast winds 5 to 10 knots, becoming northeast to east and increasing to near 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop, becoming a light chop. A chance of showers and thunderstorms.
Monday Night
Northeast to east winds 10 to 15 knots, becoming east and increasing to near 15 knots. Seas around 2 feet, building to 2 to 3 feet. Nearshore waters a light to moderate chop, becoming a moderate chop. A chance of showers and thunderstorms.
Tuesday
East winds near 10 knots. Seas around 2 feet. nearshore waters a light chop. A chance of showers and thunderstorms.
Tuesday Night
East winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Showers likely with a chance of thunderstorms.
Wednesday
East winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. Showers and thunderstorms likely.
Wednesday Night
East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Showers likely with a chance of thunderstorms.
Additional Forecasts and Information
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