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
For More Weather Information:
62NM SW Grand Isle 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
Southwest winds 10 to 15 knots. Seas 1 to 3 feet. Dominant period 4 seconds. Showers likely in the late morning and early afternoon. Slight chance of thunderstorms through the day. Chance of showers late in the afternoon.
Tonight
Southwest winds near 10 knots. Seas 1 to 3 feet. Dominant period 4 seconds. Slight chance of showers and thunderstorms early in the evening. Slight chance of showers and thunderstorms after midnight.
Tuesday
Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Chance of showers and thunderstorms.
Tuesday Night
West winds 10 to 15 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers and thunderstorms after midnight.
Wednesday
North winds 15 to 20 knots. Seas 3 to 5 feet. Dominant period 4 seconds. Chance of showers and thunderstorms.
Wednesday Night
Northeast winds 20 to 25 knots. Seas 3 to 6 feet with occasional seas to 8 feet. Dominant period 5 seconds. Slight chance of thunderstorms early in the evening. Slight chance of showers in the evening.
Thursday
Northeast winds 15 to 20 knots. Seas 3 to 6 feet with occasional seas to 8 feet. Dominant period 5 seconds.
Thursday Night
Northeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Dominant period 5 seconds.
Friday
Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Dominant period 4 seconds.
Friday Night
Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 4 seconds. Slight chance of showers.
Additional Forecasts and Information
ABOUT THIS FORECAST
| Last Update: | 1019 AM CDT Mon Sep 20 2021 |
| Forecast Discussion | |
RADAR & SATELLITE IMAGES
