Saturday

HIGH/LOW

75°/55°

Mixed sun/clouds and warmer.

Afternoon temperatures peak ten degrees higher than Friday's mid 60s. Mixed sun and clouds and warmer. West to northwest winds 10 to 20 mph. A few widely scattered late day showers -- possibly a few isolated thunderstorms covering less than 20 percent of the area. Partly cloudy overnight with low temperatures in the 50s.

Sunday

HIGH/LOW

84°/63°

Temps hit the low to mid 80s

Mostly sunny, breezy and warmer. Afternoon high temperatures hit the low to middle 80s. Increasing clouds overnight with a chance of thunderstorms.

Monday

HIGH/LOW

75°/56°

Thunderstorms possible.

Cloudy with several morning showers, t-storms possible, especially far west and southern areas. Partly sunny in the afternoon. E/SE winds off the lake keep afternoon highs in the 70s/60s north of Chicago.

Tuesday

HIGH/LOW

77°/57°

Plenty of sunshine with highs in the 70s

Scattered fair weather cumulus clouds and higher cirrus, but still plenty of sunshine. East to southeast winds again keep afternoon highs in the mid to upper 70s/60s to lower 70s at the beaches.

Wednesday

HIGH/LOW

77°/57°

East to southeast winds keep highs in the 70s

Not much change from Tuesday. Large high pressure dominates the weather pattern with a continued east to southeast wind keeping afternoon highs in the 70s - possibly 60s along the lakefront.

Thursday

HIGH/LOW

79°/59°

High temps could approach 80

High pressure continues to hold with E/SE winds. The air mass modifies a little, so that high temperatures could approach 80-degrees, especially south and far west. Still cooler along the lakefront.

Friday

HIGH/LOW

81°/62°

Breezy and warmer Friday

An increase in high cirrus clouds, breezy and warmer. Afternoon highs reach into the lower 80s. East to southeast winds continue with cooler readings along the lakefront.