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.

Fair

78°F

26°C

Humidity 85%
Wind Speed NW 9 mph
Barometer 29.76 in (1006.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 28 Jul 6:54 am CDT
Extended Forecast for

2 Miles S Macon IL

  • Today

    Today: Mostly sunny, with a high near 86. North wind 7 to 10 mph, with gusts as high as 15 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Northeast wind 5 to 8 mph.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83. North northeast wind 5 to 9 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 61. North northeast wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. Light south southeast wind.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 82. South wind 5 to 8 mph.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 86. North wind 7 to 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 61. Northeast wind 5 to 8 mph.
Wednesday
Sunny, with a high near 83. North northeast wind 5 to 9 mph.
Wednesday Night
Clear, with a low around 61. North northeast wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 85. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 65. Light south southeast wind.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 82. South wind 5 to 8 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Macon IL
 39.67°N 89.01°W (Elev. 643 ft)
Last Update:
6:36 am CDT Jul 28, 2026
Forecast Valid:
7am CDT Jul 28, 2026-6pm CDT Aug 3, 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