National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

13°F

-11°C

Humidity 84%
Wind Speed W 12 mph
Barometer 30.34 in (1028.6 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 30 Dec 6:54 am CST
Extended Forecast for

2 Miles NNE Decatur Airport IL

  • Today

    Today: Increasing clouds, with a high near 30. Wind chill values between 1 and 11. West southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 30 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. West northwest wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 37. West wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 37 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17. West wind around 10 mph becoming north after midnight. Winds could gust as high as 16 mph.

    Low: 17 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Sunny, with a high near 30. North wind 5 to 8 mph becoming light and variable in the afternoon.

    High: 30 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 21. Light south southeast wind.

    Low: 21 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 37. Light and variable wind becoming northeast around 6 mph in the morning.

    High: 37 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 30. Wind chill values between 1 and 11. West southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 26. West northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy, with a high near 37. West wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 17. West wind around 10 mph becoming north after midnight. Winds could gust as high as 16 mph.
New Year's Day
Sunny, with a high near 30. North wind 5 to 8 mph becoming light and variable in the afternoon.
Thursday Night
Increasing clouds, with a low around 21. Light south southeast wind.
Friday
Mostly cloudy, with a high near 37. Light and variable wind becoming northeast around 6 mph in the morning.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Decatur Airport IL
 39.86°N 88.85°W (Elev. 682 ft)
Last Update:
3:16 am CST Dec 30, 2025
Forecast Valid:
7am CST Dec 30, 2025-6pm CST Jan 5, 2026
 
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