By Robb Ellis

CHICAGO (CBS) — Heavy rain is moving in overnight Monday into Tuesday, along with cooler temperatures.

Lake waves may build through Tuesday, with 4- to 6-foot waves possible Monday night and higher waves on Tuesday.

Wave Height Forecast: 09.07.20

(Credit: CBS 2)

On Monday night, expect rain, mainly after midnight. It may be heavy at times as morning approaches. The low is 60.

On Tuesday, look for rain and some embedded thunder with a high of 68.

At A Glance Tomorrow: 09.07.20

(Credit: CBS 2)

High temperatures will stay near 70 for most of the week, with lows staying in the upper 50s.

7 Day Forecast: 09.07.20

(Credit: CBS 2)

Rain chances continue into Wednesday, but clear out for the end of the week.