Decatur, IL Weather - Extended Forecast

Friday

Breezy, partly sunny

High:
81°F

A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. Breezy, with a south wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.

Friday Night

Showers

Overnight low:
54°F

Showers and possibly a thunderstorm. Low around 54. South southwest wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Showers likely

High:
62°F

Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

Saturday Night

Chance of thunderstorms

Overnight low:
48°F

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 48.

Sunday

Showers likely

High:
64°F

Sunday Night

Showers likely

Overnight low:
46°F

Monday

Chance of showers

High:
62°F

Monday Night

Partly cloudy

Overnight low:
45°F

Tuesday

Mostly sunny

High:
69°F