Flash Flood Watches in Southeast and Tennessee Valley; Critical Fire Weather in California; Severe Weather in Upper Midwest

Flash flood watches are in effect today in parts of the Southeast and Tennessee Valley from organized areas of heavy to excessive rainfall. Meanwhile, critical fire weather conditions are likely across northern California with offshore winds and dry conditions. Finally, a strong cold front will produce severe thunderstorms across the Upper to Mid Mississippi Valley.
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Last Update: 1019 AM CDT Mon Sep 20 2021

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New Orleans/Baton Rouge, LA Local Forecast Office

15NM E New Orleans LA

Marine Zone Forecast

Synopsis: Scattered thunderstorms will remain a threat through at least Tuesday. A front will approach the waters Tuesday night and pass through the waters by Wednesday afternoon. High pressure will then build in from the north by Thursday.

Rest Of Today

South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers and slight chance of thunderstorms.

Tonight

Southwest winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Slight chance of showers and thunderstorms early in the evening.

Tuesday

West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers in the morning. Chance of thunderstorms through the day. Showers likely in the afternoon.

Tuesday Night

West winds 5 to 10 knots becoming northwest 10 to 15 knots after midnight. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers and thunderstorms.

Wednesday

North winds 15 to 20 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Slight chance of thunderstorms until late afternoon. Slight chance of showers through the day.

Wednesday Night

North winds 15 to 20 knots. Waves 2 to 4 feet. Dominant period 4 seconds.

Thursday

Northeast winds 15 to 20 knots. Waves 2 to 4 feet. Dominant period 4 seconds.

Thursday Night

Northeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.

Friday

Northeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.

Friday Night

North winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.