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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Hazardous Weather Conditions

Hazardous Weather Outlook

Last Update: 1004 AM CDT Mon Sep 20 2021

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Lake Charles, LA Local Forecast Office

23NM SSE Grand Chenier LA

Marine Zone Forecast

Synopsis: Light onshore flow around high pressure over the eastern Gulf of Mexico will continue into Tuesday with a chance for showers or thunderstorms continuing over the coastal waters. Heavy rains, gusty winds and lightning are all possible in and around these storms. Winds will strengthen and turn offshore early Wednesday with increasing seas as a cold front pushes into the coastal waters. Winds and waves will diminish on Thursday as high pressure continues to build into the northwestern Gulf waters.

Rest Of Today

Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Chance of showers and thunderstorms through the day.

Tonight

Southwest winds 5 to 10 knots. Seas 1 to 2 feet.

Tuesday

West winds 5 to 10 knots. Seas 1 to 2 feet. Chance of showers and thunderstorms through the day.

Tuesday Night

West winds 5 to 10 knots becoming northwest 15 to 20 knots after midnight. Seas 1 to 2 feet. Showers likely and chance of thunderstorms.

Wednesday

North winds 15 to 20 knots. Seas 2 to 4 feet. Slight chance of showers and thunderstorms in the morning.

Wednesday Night

Northeast winds 15 to 20 knots. Seas 1 to 3 feet.