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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Hazardous Weather Conditions

Last Update: 930 PM CDT Sat Sep 22 2018

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19NM SE Grand Isle LA

Marine Zone Forecast


Synopsis: General onshore flow will to persist under the influence of weak high pressure.

Tonight
Southeast winds 5 to 10 knots. Seas 1 foot or less. dominant period 4 seconds. Chance of showers and thunderstorms.
Sunday
South winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds. Chance of showers and thunderstorms.
Sunday Night
South winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds. Chance of showers and thunderstorms.
Monday
South winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds. Chance of showers and thunderstorms.
Monday Night
South winds near 10 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Chance of showers and thunderstorms.
Tuesday
South winds 5 to 10 knots. Seas 1 foot. Dominant period 4 seconds. Showers and thunderstorms likely.
Tuesday Night
South winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds. Chance of showers and thunderstorms.
Wednesday
Southwest winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds. Showers and thunderstorms likely in the morning, then chance of showers and thunderstorms in the afternoon.
Wednesday Night
South winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds. Chance of showers and thunderstorms.
Thursday
South winds 5 to 10 knots. Seas 1 foot or less. Showers and thunderstorms likely in the morning, then chance of showers and thunderstorms in the afternoon.
Thursday Night
Southeast winds 5 to 10 knots. Seas 1 foot or less. Chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 930 PM CDT Sat Sep 22 2018
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