Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Mostly Cloudy and Breezy

84°F

29°C

Humidity 55%
Wind Speed S 22 G 36 mph
Barometer 29.66 in (1003.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 21 May 7:54 pm CDT
Extended Forecast for

Decatur Airport IL

Blowing Dust Warning until May 22, 12:00am
Click here for hazard details and duration
Blowing Dust Warning
  •  
    Blowing Dust Warning until May 22, 12:00am

    NOW until 12:00am Wed

    Blowing Dust Warning

  • Tonight

    Low: 61 °F

    Severe
    Thunderstorms
    and Breezy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 77. West wind around 11 mph, with gusts as high as 18 mph.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms.  Mostly clear, with a low around 56. West wind 3 to 8 mph.

    Low: 56 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 82. East wind 5 to 8 mph becoming south in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 63. South southeast wind 7 to 9 mph, with gusts as high as 15 mph.  Chance of precipitation is 40%.

    Low: 63 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm.  High near 83. South wind 10 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 57. South southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 17 mph.

    Low: 57 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 1am. Some of the storms could be severe. Low around 61. Breezy, with a south wind 13 to 21 mph becoming west after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77. West wind around 11 mph, with gusts as high as 18 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 56. West wind 3 to 8 mph.
Thursday
Sunny, with a high near 82. East wind 5 to 8 mph becoming south in the afternoon.
Thursday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 63. South southeast wind 7 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Friday
Showers and possibly a thunderstorm. High near 83. South wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. South southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 17 mph.
Saturday
Sunny, with a high near 76.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57.
Memorial Day
A chance of showers. Partly sunny, with a high near 76.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Tuesday
A chance of showers. Mostly sunny, with a high near 75.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Decatur Airport IL
 39.84°N 88.88°W (Elev. 650 ft)
7:42 pm CDT May 21, 2024
8pm CDT May 21, 2024-6pm CDT May 28, 2024
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database