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.

Fog/Mist

26°F

-3°C

Humidity 92%
Wind Speed E 9 mph
Barometer 29.95 in (1015.0 mb)
Dewpoint 24°F (-4°C)
Visibility 5.00 mi
Wind Chill17°F (-8°C)
Last update 6 Dec 6:54 pm CST
Extended Forecast for

4 Miles E Mount Auburn IL

  • Tonight

    Tonight: A slight chance of freezing rain between 11pm and midnight, then a chance of rain. Patchy fog after 1am. Otherwise, cloudy, with a low around 29. Southeast wind 6 to 8 mph. Chance of precipitation is 40%.

    Low: 29 °F

    Slight Chance
    Freezing Rain
    then Chance
    Rain and
    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 9am. Patchy fog before 11am. Otherwise, cloudy, with a temperature falling to around 26 by 5pm. South wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 22 mph.

    High: 34 °F⇓

    Chance Rain
    and Patchy
    Fog then
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. Wind chill values between 3 and 8. North wind 5 to 13 mph, with gusts as high as 17 mph.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 26. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature falling to near 19 by 8pm, then rising to around 27 during the remainder of the night. South wind 6 to 15 mph, with gusts as high as 23 mph.

    Low: 19 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. South southwest wind around 15 mph, with gusts as high as 23 mph.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 34. Breezy, with a south wind 15 to 21 mph becoming west after midnight. Winds could gust as high as 28 mph.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 41. Breezy.

    High: 41 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
A slight chance of freezing rain between 11pm and midnight, then a chance of rain. Patchy fog after 1am. Otherwise, cloudy, with a low around 29. Southeast wind 6 to 8 mph. Chance of precipitation is 40%.
Sunday
A 30 percent chance of rain, mainly before 9am. Patchy fog before 11am. Otherwise, cloudy, with a temperature falling to around 26 by 5pm. South wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 13. Wind chill values between 3 and 8. North wind 5 to 13 mph, with gusts as high as 17 mph.
Monday
Mostly sunny, with a high near 26. Light and variable wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a temperature falling to near 19 by 8pm, then rising to around 27 during the remainder of the night. South wind 6 to 15 mph, with gusts as high as 23 mph.
Tuesday
Partly sunny, with a high near 43. South southwest wind around 15 mph, with gusts as high as 23 mph.
Tuesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 34. Breezy, with a south wind 15 to 21 mph becoming west after midnight. Winds could gust as high as 28 mph.
Wednesday
Mostly cloudy, with a high near 41. Breezy.
Wednesday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 22.
Thursday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 31.
Thursday Night
Mostly cloudy, with a low around 13.
Friday
Partly sunny, with a high near 20.
Friday Night
Mostly cloudy, with a low around 2.
Saturday
Mostly sunny, with a high near 15.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Mount Auburn IL
 39.76°N 89.18°W (Elev. 600 ft)
Last Update:
6:36 pm CST Dec 6, 2025
Forecast Valid:
7pm CST Dec 6, 2025-6pm CST Dec 13, 2025
 
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