Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Light Snow Fog/Mist

25°F

-4°C

Humidity 92%
Wind Speed SE 3 mph
Barometer 30.14 in (1021.6 mb)
Dewpoint 23°F (-5°C)
Visibility 2.00 mi
Last update 1 Dec 4:54 pm CST
Extended Forecast for

2 Miles NNE Oakley IL

Winter Weather Advisory until December 2, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 2, 06:00am

    NOW until 6:00am Tue

    Winter Weather Advisory

  • This Afternoon

    High: 27 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before 1am.  Low around 15. Calm wind becoming west northwest 5 to 7 mph after midnight.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 15 °F

    Snow then
    Chance Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 23. Wind chill values between 5 and 15. Northwest wind 5 to 7 mph becoming south southwest in the afternoon.

    High: 23 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. South wind 5 to 11 mph, with gusts as high as 16 mph.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 33. South wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 17 mph.

    High: 33 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 3. North northwest wind 9 to 14 mph, with gusts as high as 17 mph.

    Low: 3 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 12. North northwest wind 6 to 11 mph becoming light north  in the afternoon. Winds could gust as high as 16 mph.

    High: 12 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -3.

    Low: -3 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow. High near 27. Light east southeast wind. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow, mainly before 1am. Low around 15. Calm wind becoming west northwest 5 to 7 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Mostly cloudy, with a high near 23. Wind chill values between 5 and 15. Northwest wind 5 to 7 mph becoming south southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 16. South wind 5 to 11 mph, with gusts as high as 16 mph.
Wednesday
Mostly cloudy, with a high near 33. South wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 3. North northwest wind 9 to 14 mph, with gusts as high as 17 mph.
Thursday
Sunny, with a high near 12. North northwest wind 6 to 11 mph becoming light north in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
Partly cloudy, with a low around -3.
Friday
Mostly sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly cloudy, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Mostly cloudy, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Oakley IL
 39.88°N 88.79°W (Elev. 696 ft)
4:46 pm CST Dec 1, 2025
5pm CST Dec 1, 2025-6pm CST Dec 8, 2025
 
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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