Chicago Weather: Second Sunday Night Tornado Confirmed; Cool And Clear Monday Night

CHICAGO (CBS) -- A second tornado has been confirmed amid the storms Sunday night.

National Weather Service survey teams will be out again Tuesday looking at other damaged areas. So far, the Naperville tornado is the strongest – an EF-3 with winds to 140 mph.

The second tornado confirmation is an EF-0 with winds to 85 mph, just north of downtown Plainfield to Mistwood Golf Course in Romeoville.

Meanwhile, it will be cool and clear Monday night with a low of 55. Look for partly cloudy skies on Tuesday with a high of 76.

A few morning showers are possible daybreak Wednesday, when the high is 79. Otherwise, the best rain comes at the end of the workweek.