Weather Forecast for
Decatur, IL


Overnight: Showers likely and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms after 3am. Patchy fog. Otherwise, cloudy, with a low around 41. East northeast wind around 9 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before noon. High near 51. East wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: A chance of showers, then showers and possibly a thunderstorm after 9pm. Patchy fog. Low around 49. East wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday: Showers likely before noon. Mostly cloudy, with a high near 61. South wind 6 to 10 mph becoming west in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night: A chance of rain between midnight and 3am, then a chance of rain and thunderstorms after 3am. Mostly cloudy, with a low around 52. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 50%.

Friday: Rain likely, mainly before noon. Partly sunny, with a high near 76. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night: A chance of rain before midnight, then rain and possibly a thunderstorm between midnight and 3am, then rain after 3am. Low around 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Saturday: A 40 percent chance of rain before noon. Partly sunny, with a high near 61.

Saturday Night: Mostly clear, with a low around 37.

Sunday: Sunny, with a high near 62.

Sunday Night: Mostly clear, with a low around 44.

Monday: Sunny, with a high ne

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