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: 1010 AM CDT Mon Sep 20 2021

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Chicago, IL Local Forecast Office

8NM ESE Chicago IL

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...
Rest Of Today
South winds 15 to 25 kt increasing to 20 to 25 kt in the afternoon. Chance of showers and thunderstorms. Waves 3 to 6 ft, highest north of wilmette harbor.
Tonight
South winds to 30 kt with occasional gale force gusts to 35 kt becoming southwest 15 to 25 kt toward daybreak. Chance of thunderstorms through the night. Showers likely after midnight. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft toward daybreak.
Tuesday
West winds 15 to 20 kt becoming northwest 15 to 25 kt in the mid morning and then shifting north in the afternoon. showers likely and a chance of thunderstorms through the day. waves 1 to 3 ft building to 3 to 5 ft in the afternoon.
Tuesday Night
North winds 20 to 25 kt increasing to 30 kt after midnight. Slight chance of showers. Waves 4 to 6 ft occasionally to 8 ft building to 5 to 8 ft occasionally to 10 ft after midnight.
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ABOUT THIS FORECAST

Last Update: 1010 AM CDT Mon Sep 20 2021
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