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Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

82°F

28°C

Humidity 47%
Wind Speed W 9 mph
Barometer 29.87 in (1011.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 7 Oct 1:54 pm CDT
Extended Forecast for

5 Miles SE Macon IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. West northwest wind around 11 mph, with gusts as high as 17 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 53. Northwest wind 5 to 7 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 becoming east southeast around 5 mph after midnight.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. South southeast wind 6 to 11 mph, with gusts as high as 16 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 60. South southeast wind 7 to 9 mph.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86. South wind 8 to 11 mph, with gusts as high as 16 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 84. West northwest wind around 11 mph, with gusts as high as 17 mph.
Tonight
Clear, with a low around 53. Northwest wind 5 to 7 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 becoming east southeast around 5 mph after midnight.
Friday
Sunny, with a high near 85. South southeast wind 6 to 11 mph, with gusts as high as 16 mph.
Friday Night
Clear, with a low around 60. South southeast wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 86. South wind 8 to 11 mph, with gusts as high as 16 mph.
Saturday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 56.
Columbus Day
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Macon IL
 39.66°N 88.95°W (Elev. 650 ft)
Last Update:
1:26 pm CDT Oct 7, 2026
Forecast Valid:
2pm CDT Oct 7, 2026-6pm CDT Oct 13, 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