CHICAGO (CBS) — There is one more cold night with frost before the warming trend begins.

Unseasonably cold air drifts into our region Monday night. Areas well north of us with freeze Warnings will drop into the 20s.

Lows Tonight ADI: 05.11.20

(Credit: CBS 2)

The Frost Advisory in the area begins at midnight and continues until 8 a.m. This advisory does not include the city of Chicago.

Frost Advisory: 05.11.20

(Credit: CBS 2)

Freeze Warning: 05.11.20

(Credit: CBS 2)

Widespread frost is expected north of I-88 and near the Wisconsin state line.

Wake Up Weather: 05.11.20

(Credit: CBS 2)

Tomorrow's Planner: 05.11.20

(Credit: CBS 2)

Lots of sun is expected Tuesday with highs near 60 inland and low 50s lakeside. The next shower or storm chance arrives after dark Wednesday and into the night.

Next 2 Days PM: 05.11.20

(Credit: CBS 2)

The best chance for rain and thunder is Thursday.

Mary Kay Kleist