By Mary Kay Kleist

CHICAGO (CBS) — A Dense Fog Advisory has been expanded farther east.

Current Surface Map: 01.05.21

(Credit: CBS 2)

Visibility may drop to zero, especially outlying areas.

Visibility Tracker: 01.05.21

(Credit: CBS 2)

With temperatures well below freezing, black ice may form on area roadways. Lows will range from teens inland to 20s near the lakefront.

Lows Tonight: 01.05.21

(Credit: CBS 2)

Fog may linger until noon in spots on Wednesday.

Tomorrow's Planner: 01.05.21

(Credit: CBS 2)

A storm complex over the Plains will pass south of us as a blocking ridge of high pressure over the Great Lakes stays in place. But we will get clouds from that system in the central U.S,

The high for Wednesday is 34.

Next 2 Days: 01.05.21

(Credit: CBS 2)

It will also be cloudy on Thursday with a high of 35.

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Mary Kay Kleist