Heavy Rainfall and Flash Flood Threats Shift From Southern Plains to Lower Mississippi Valley; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will shift from the southern Plains into the Lower Mississippi Valley. Elevated to Critical Fire weather threats will linger through the weekend across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina this weekend.
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Last Update: 901 PM EDT Fri Sep 21 2018

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Jacksonville, FL Local Forecast Office

8NM ESE Jacksonville Beach FL

Marine Zone Forecast


Synopsis: Surface high pressure will be North of the region through Monday morning, continuing the prevailing onshore flow pattern. A wave of low pressure is expected to move Northwest across area waters Monday through Tuesday. High pressure will build to the Northeast later in the week.

Rest Of Tonight
East winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 5 seconds. Inland waters a light chop. A chance of showers.
Saturday
East winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 5 seconds. Inland waters a moderate chop. A chance of showers and a slight chance of thunderstorms.
Saturday Night
East winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 5 seconds increasing to 10 seconds after midnight. Inland waters a light chop. A chance of showers and a slight chance of thunderstorms through the night.
Sunday
East winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 10 seconds. Inland waters a light chop. A chance of showers in the morning. A slight chance of thunderstorms. A slight chance of showers in the afternoon.
Sunday Night And Monday
East winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop. A chance of showers and a slight chance of thunderstorms.
Monday Night
East winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a light chop. A chance of showers.
Tuesday
East northeast winds 5 to 10 knots. Seas 2 to 4 feet. Inland waters a light chop. A slight chance of showers and thunderstorms.
Tuesday Night
East southeast winds 5 to 10 knots becoming south after midnight. Seas 2 to 4 feet. Inland waters smooth. A slight chance of showers.
Wednesday
South southeast winds 5 to 10 knots. Seas 2 to 4 feet. Inland waters smooth. A chance of showers and thunderstorms.
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Last Update: 901 PM EDT Fri Sep 21 2018
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