Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

3°F

-16°C

Humidity 79%
Wind Speed W 7 mph
Barometer 30.33 in (1028.5 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-9°F (-23°C)
Last update 28 Jan 4:54 am CST
Extended Forecast for

3 Miles SW Dewitt IL

Cold Weather Advisory January 28, 05:54am until January 28, 10:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory January 28, 05:54am until January 28, 10:00am

    NOW until 10:00am Wed

    Cold Weather Advisory

  • Today

    High: 20 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around -1. Wind chill values between -3 and -13. West wind 5 to 7 mph becoming north after midnight.

    Low: -1 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 15. Wind chill values between -1 and -11. North wind around 6 mph.

    High: 15 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -3. Wind chill values between -5 and -15. North wind 5 to 7 mph.

    Low: -3 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 14. North wind 7 to 10 mph.

    High: 14 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 0. Northwest wind 9 to 11 mph, with gusts as high as 17 mph.

    Low: 0 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 18. Northwest wind 9 to 11 mph, with gusts as high as 17 mph.

    High: 18 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 20. Wind chill values between -5 and -15. West wind 7 to 15 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around -1. Wind chill values between -3 and -13. West wind 5 to 7 mph becoming north after midnight.
Thursday
Mostly cloudy, with a high near 15. Wind chill values between -1 and -11. North wind around 6 mph.
Thursday Night
Partly cloudy, with a low around -3. Wind chill values between -5 and -15. North wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 14. North wind 7 to 10 mph.
Friday Night
Partly cloudy, with a low around 0. Northwest wind 9 to 11 mph, with gusts as high as 17 mph.
Saturday
Mostly sunny, with a high near 18. Northwest wind 9 to 11 mph, with gusts as high as 17 mph.
Saturday Night
Partly cloudy, with a low around 3.
Sunday
Mostly sunny, with a high near 22.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 11.
Monday
Mostly cloudy, with a high near 29.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Mostly cloudy, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Dewitt IL
 40.17°N 88.78°W (Elev. 699 ft)
5:36 am CST Jan 28, 2026
5am CST Jan 28, 2026-6pm CST Feb 3, 2026
 
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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