CHICAGO (CBS) — A gradual warmup is on the way for the Chicago area.

Saturday night is expected to be mostly cloudy with a low of 37 degrees, but Sunday will be much warmer. High temperatures will reach 55 degrees, and skies will be mostly cloudy.

Temperatures will rise even more as they move into the 50s and 60s early in the week.

A few storms are possible Tuesday.

Temperatures will cool substantially by the end of the week.