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Increasing Risk for Flash and River Flooding Through the Weekend

A storm system will track across the central U.S. and set the stage for severe thunderstorms and widespread heavy rainfall through the weekend. There will be a threat for flash and river flooding for portions of the Southern Plains into the Upper Midwest. Read More >

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Mostly Cloudy

50°F

10°C

Humidity 83%
Wind Speed Calm
Barometer 29.86 in (1011.3 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 27 Apr 9:54 pm CDT
Extended Forecast for

Decatur IL

Flash Flood Watch April 28, 07:00pm until May 1, 07:00am
Click here for hazard details and duration
Flash Flood Watch
  • Tonight

    Tonight: Mostly cloudy, with a low around 44. South southeast wind 3 to 7 mph.

    Mostly Cloudy

    Low: 44 °F

  • Friday

    Friday: Showers likely, mainly between 8am and 2pm.  Cloudy, with a high near 65. Southeast wind 5 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Showers
    Likely

    High: 65 °F

  • Friday
    Night

    Friday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Some of the storms could produce heavy rain.  Cloudy, with a low around 55. South southeast wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 16 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    Low: 55 °F

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rain.  High near 63. East northeast wind 7 to 11 mph, with gusts as high as 17 mph.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain

    High: 63 °F

  • Saturday
    Night

    Saturday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rain.  Low around 59. East northeast wind 8 to 13 mph becoming south southeast after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.

    Heavy Rain

    Low: 59 °F

  • Sunday

    Sunday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rain.  High near 73. South wind 9 to 17 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    High: 73 °F

  • Sunday
    Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rain.  Low around 50. South southwest wind 10 to 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    Low: 50 °F

  • Monday

    Monday: A chance of showers before 8am.  Mostly cloudy, with a high near 56.

    Chance
    Showers then
    Mostly Cloudy

    High: 56 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 45.

    Mostly Cloudy

    Low: 45 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. South southeast wind 3 to 7 mph.
Friday
Showers likely, mainly between 8am and 2pm. Cloudy, with a high near 65. Southeast wind 5 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Some of the storms could produce heavy rain. Cloudy, with a low around 55. South southeast wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rain. High near 63. East northeast wind 7 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. Low around 59. East northeast wind 8 to 13 mph becoming south southeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.
Sunday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. High near 73. South wind 9 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rain. Low around 50. South southwest wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A chance of showers before 8am. Mostly cloudy, with a high near 56.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
Partly sunny, with a high near 62.
Click Map For Forecast
Point Forecast:
Decatur IL
 39.86°N 88.94°W (Elev. 682 ft)
9:08 pm CDT Apr 27, 2017
10pm CDT Apr 27, 2017-6pm CDT May 4, 2017
 
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