National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Mostly Cloudy

64°F

18°C

Humidity 63%
Wind Speed Vrbl 6 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 10 May 10:54 am CDT
Extended Forecast for

Decatur Airport IL

  • Today

    Today: Partly sunny, with a high near 68. Northwest wind 8 to 10 mph, with gusts as high as 15 mph.

    High: 68 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 1am and 3am. Mostly cloudy, then gradually becoming clear, with a low around 52. Southwest wind 7 to 11 mph, with gusts as high as 17 mph.

    Low: 52 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 72. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 49. Northwest wind 5 to 11 mph becoming west southwest after midnight. Winds could gust as high as 17 mph.

    Low: 49 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Southwest wind 6 to 13 mph, with gusts as high as 16 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. South wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 74. South wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers. Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 68. Northwest wind 8 to 10 mph, with gusts as high as 15 mph.
Tonight
A 30 percent chance of showers, mainly between 1am and 3am. Mostly cloudy, then gradually becoming clear, with a low around 52. Southwest wind 7 to 11 mph, with gusts as high as 17 mph.
Saturday
Sunny, with a high near 72. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.
Saturday Night
Clear, with a low around 49. Northwest wind 5 to 11 mph becoming west southwest after midnight. Winds could gust as high as 17 mph.
Sunday
Sunny, with a high near 77. Southwest wind 6 to 13 mph, with gusts as high as 16 mph.
Sunday Night
Partly cloudy, with a low around 58. South wind 10 to 13 mph, with gusts as high as 20 mph.
Monday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 74. South wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 57.
Thursday
A chance of showers. Partly sunny, with a high near 76.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Decatur Airport IL
 39.84°N 88.88°W (Elev. 650 ft)
Last Update:
10:48 am CDT May 10, 2024
Forecast Valid:
11am CDT May 10, 2024-6pm CDT May 16, 2024
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation