CHICAGO — Temptures in the low 80s Monday with partly cloudy conditions. Winds: ENE 5-10 G15, wide temp range. High: 82/77.

Partly cloudy tonight. Winds: NE 5-10. Low: 69.

Tuesday Forecast: Mainly sunny, cooler lakeside. Winds: ESE 5-10. High: 91.

Wednesday and Thursday Forecast: An Excessive Heat Watch has been issued for Wednesday and Thursday across Chicago as temperatures near 100 degrees with hot and humid conditions.

Full forecast details and more at the WGN Weather Center blog