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

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

58°F

14°C

Humidity 75%
Wind Speed Calm
Barometer 30.09 in (1018.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 8 Oct 7:54 pm CDT
Extended Forecast for

3 Miles E Mount Auburn IL

  • Tonight

    Tonight: Clear, with a low around 54. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 54 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86. South wind 6 to 11 mph, with gusts as high as 16 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 60. South southeast wind around 9 mph, with gusts as high as 15 mph.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 84. South wind 7 to 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59. Southeast wind around 8 mph.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 78. East wind around 6 mph becoming north in the afternoon.

    High: 78 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 54. Calm wind becoming east southeast around 5 mph after midnight.
Friday
Sunny, with a high near 86. South wind 6 to 11 mph, with gusts as high as 16 mph.
Friday Night
Clear, with a low around 60. South southeast wind around 9 mph, with gusts as high as 15 mph.
Saturday
Increasing clouds, with a high near 84. South wind 7 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around 59. Southeast wind around 8 mph.
Sunday
Partly sunny, with a high near 78. East wind around 6 mph becoming north in the afternoon.
Sunday Night
Mostly clear, with a low around 57. Light and variable wind.
Columbus Day
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 81.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 55.
Wednesday
A chance of showers. Mostly cloudy, with a high near 77.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 58.
Thursday
A chance of showers. Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Mount Auburn IL
 39.76°N 89.2°W (Elev. 600 ft)
Last Update:
7:36 pm CDT Oct 8, 2026
Forecast Valid:
8pm CDT Oct 8, 2026-6pm CDT Oct 15, 2026
 
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