CHICAGO (CBS) — Sunny skies will give way to clouds and then a fair amount of rain and possible thunderstorms.

Forecast Details from CBS 2

Tuesday – Cloudy. Highs around 40. Light and variable winds until late afternoon becoming south around 10 mph late in the afternoon.

Tuesday night – Rain likely. Lows in the mid 30s. South winds around 10 mph. Chance of precipitation 70 percent.

Wednesday – Rain. Highs in the upper 40s. South winds 10 to 15 mph. Chance of precipitation 80 percent.

Wednesday night – Rain and a chance of thunderstorms in the evening–then rain after midnight. Lows in the mid 40s. Chance of precipitation 80 percent.

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