By Mary Kay Kleist
CHICAGO (CBS) — A Frost Advisory is in effect for southern Wisconsin and a Freeze Warning has been issued for parts of Iowa.

Watches And Warnings: 10.21.21

(Credit: CBS 2)

If clouds clear enough, areas west of the Fox River Valley and far northwest could have patchy frost toward morning.

It will be chilly Thursday night as the sprinkles taper off, with a low of 43 and upper 30s inland. It will also be cooler than normal on Friday, with a high of 53.

Highs Tomorrow: 10.21.21

(Credit: CBS 2)

A better display of frost will be seen area-wide Saturday morning.

The weekend features a soaking rain developing Sunday through Monday. Heaviest rain along and south of I-80.

7 Day Forecast: 10.21.21

(Credit: CBS 2)

The high for Saturday is 57, Sunday 55.

Mary Kay Kleist