Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

61°F

16°C

Humidity 87%
Wind Speed NE 8 mph
Barometer 30.02 in (1016.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 3 May 10:54 pm CDT
Extended Forecast for

Decatur IL

  • Overnight

    Overnight: Mostly clear, with a low around 55. East northeast wind 5 to 8 mph, with gusts as high as 15 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 82. East wind 6 to 8 mph becoming southwest in the afternoon.

    High: 82 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am.  Mostly cloudy, with a low around 58. West wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    T-storms
    Likely then
    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 73. North northwest wind 6 to 9 mph becoming northeast in the afternoon.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 57. East northeast wind 6 to 10 mph, with gusts as high as 16 mph.

    Low: 57 °F

    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers.  Partly sunny, with a high near 75. Southeast wind around 10 mph, with gusts as high as 15 mph.

    High: 75 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely after 1am.  Mostly cloudy, with a low around 64. Southeast wind 10 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Partly Cloudy
    then Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm.  High near 81. Breezy.  Chance of precipitation is 80%.

    High: 81 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 55. East northeast wind 5 to 8 mph, with gusts as high as 15 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. East wind 6 to 8 mph becoming southwest in the afternoon.
Saturday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am. Mostly cloudy, with a low around 58. West wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Partly sunny, with a high near 73. North northwest wind 6 to 9 mph becoming northeast in the afternoon.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 57. East northeast wind 6 to 10 mph, with gusts as high as 16 mph.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 75. Southeast wind around 10 mph, with gusts as high as 15 mph.
Monday Night
Showers likely after 1am. Mostly cloudy, with a low around 64. Southeast wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers and possibly a thunderstorm. High near 81. Breezy. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. Chance of precipitation is 60%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 60.
Thursday
A chance of showers. Mostly sunny, with a high near 76.
Thursday Night
A chance of showers. Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 69.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Decatur IL
 39.84°N 88.94°W (Elev. 692 ft)
11:57 pm CDT May 3, 2024
12am CDT May 4, 2024-6pm CDT May 10, 2024
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database