Naperville, IL Weather - Extended Forecast

Monday

Chance of thunderstorms

High:
91°F

A 50 percent chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 103. South wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

Monday Night

Chance of thunderstorms

Overnight low:
71°F

A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. West southwest wind around 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

Tuesday

Mostly sunny

High:
85°F

Mostly sunny, with a high near 85.

Tuesday Night

Mostly clear

Overnight low:
64°F

Mostly clear, with a low around 64.

Wednesday

Sunny

High:
84°F

Wednesday Night

Mostly clear

Overnight low:
64°F

Thursday

Sunny

High:
85°F

Thursday Night

Partly cloudy

Overnight low:
67°F

Friday

Mostly sunny

High:
85°F

Friday Night

Partly cloudy

Overnight low:
68°F

Saturday

Mostly sunny

High:
85°F