Westchester, IL

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Weather Forecast for Westchester

This Afternoon

A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 87. South wind 5 to 10 mph becoming east. Winds could gust as high as 15 mph.

Tonight

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. East wind 5 to 10 mph becoming west southwest after midnight.

Thursday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Light and variable wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

Thursday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southwest wind 5 to 10 mph.

Friday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 89. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

Friday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

Saturday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70.

Sunday

A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87.

Sunday Night

Partly cloudy, with a low around 67.

Monday

Mostly sunny, with a high near 89.

Monday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 69.

Tuesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 87.