Decatur, IL Weather - Extended Forecast

Monday

Chance of thunderstorms

High:
85°F

A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 85. South southwest wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 40%.

Monday Night

Chance of thunderstorms

Overnight low:
73°F

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind around 8 mph.

Tuesday

Mostly sunny

High:
90°F

A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Southwest wind 7 to 10 mph, with gusts as high as 15 mph.

Tuesday Night

Mostly clear

Overnight low:
71°F

A 30 percent chance of showers after 1am. Mostly clear, with a low around 71.

Wednesday

Mostly sunny

High:
91°F

Wednesday Night

Chance of thunderstorms

Overnight low:
73°F

Thursday

Mostly sunny

High:
90°F

Thursday Night

Chance of thunderstorms

Overnight low:
72°F

Friday

Mostly sunny

High:
88°F