Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into Ohio/Tennessee Valleys; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will be possible from the Lower Mississippi Valley into parts of the Ohio/Tennessee Valleys. Elevated to Critical Fire weather threats will persist 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.
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Last Update: 927 PM EDT Sat Sep 22 2018

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Jacksonville, FL Local Forecast Office

37NM E Jacksonville Beach FL

Marine Zone Forecast


Synopsis: High pressure will be Northeast of the region through Monday morning. A wave of low pressure is expected to move Northwest through the coastal waters Monday into Tuesday. The region will then be between high pressure to the East/Northeast and a cold front to the Northwest through Thursday.

Rest Of Tonight
East southeast winds around 10 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 10 seconds. A chance of showers.
Sunday
East winds 5 to 10 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 10 seconds. A chance of showers in the morning. A slight chance of thunderstorms through the day. A slight chance of showers in the afternoon.
Sunday Night
East winds around 10 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 9 seconds. A chance of showers through the night. A slight chance of thunderstorms after midnight.
Monday
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 9 seconds. A chance of showers and a slight chance of thunderstorms.
Monday Night
East winds 10 to 15 knots. Seas 4 to 5 feet with occasional seas up to 6 feet. A chance of showers and a slight chance of thunderstorms.
Tuesday
East northeast winds 5 to 10 knots. Seas 4 to 5 feet with occasional seas up to 6 feet. A slight chance of showers and thunderstorms.
Tuesday Night
East southeast winds around 5 knots becoming south after midnight. Seas 3 to 5 feet with occasional seas up to 6 feet. A chance of showers and a slight chance of thunderstorms.
Wednesday
South winds 5 to 10 knots. Seas 3 to 4 feet. A chance of showers and a slight chance of thunderstorms.
Wednesday Night
South winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. A chance of showers and a slight chance of thunderstorms.
Thursday
South winds 5 to 10 knots. Seas 3 to 4 feet. A chance of showers and a slight chance of thunderstorms.
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Last Update: 927 PM EDT Sat Sep 22 2018
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