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Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

69°F

21°C

Humidity 49%
Wind Speed N 5 mph
Barometer 29.95 in (1013.8 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 7 Oct 8:54 pm CDT
Extended Forecast for

4 Miles NNE Shelbyville IL

  • Tonight

    Tonight: Clear, with a low around 53. North northwest wind around 5 mph becoming calm after midnight.

    Low: 53 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Light and variable wind.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. South southeast wind 5 to 9 mph, with gusts as high as 15 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 58. South southeast wind around 6 mph.

    Low: 58 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86. South wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 56. East southeast wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 53. North northwest wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 54. Light and variable wind.
Friday
Sunny, with a high near 86. South southeast wind 5 to 9 mph, with gusts as high as 15 mph.
Friday Night
Clear, with a low around 58. South southeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 86. South wind 6 to 9 mph, with gusts as high as 15 mph.
Saturday Night
Showers likely. Mostly cloudy, with a low around 56. East southeast wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Partly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 56.
Columbus Day
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Shelbyville IL
 39.46°N 88.79°W (Elev. 653 ft)
Last Update:
7:36 pm CDT Oct 7, 2026
Forecast Valid:
9pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation