Chicago Weather: Breezy, Clear Night; Dangerous Beach Conditions

CHICAGO (CBS) — Breezy north-northeast winds will blow along the lakefront Thursday night, and skies will clear.

(Credit: CBS 2)

The low for Thursday night is 64.

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(Credit: CBS 2)

On Friday, it will be partly to mostly sunny, cooler, and less humid, with a high of 78.

(Credit: CBS 2)

On Saturday, it will be partly sunny with a shower or storm possible in the afternoon and evening, and a high of 83. On Sunday, it will be mostly sunny and pleasant with a high of 79.

(Credit: CBS 2)

The next seven days will be much cooler and seasonal, and drier air will filter into the area with plenty of sunshine.

(Credit: CBS 2)

There will be few if any rain or storm chances with the best chance Saturday afternoon-night as a weak cold front passes the region.

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(Credit: CBS 2)

Meanwhile, a high swim risk and dangerous conditions at all beaches will continue through Friday evening.

(Credit: CBS 2)

Interesting Storm Fact:

A measurable seiche took place on Lake Michigan early Thursday morning. Lake levels registered a 1.5 to 2.5-foot rise in water levels due to the storms.

What’s a seiche? It is a sudden oscillation of water levels due to pressure change (usually caused by a passing storm). Think bathtub water swooshing from side to side.

MORE NEWS: Thursday Morning Storms Cause A Rare Seiche On Lake Michigan

On June 26, 1954, there was a deadly 10- foot seiche that killed 8 fishermen as they were swept from piers and breakwaters at Montrose Beach and North Avenue Beach.