Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

36°F

2°C

Humidity 67%
Wind Speed W 6 mph
Barometer 29.71 in (1006.6 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 25 Feb 6:54 am CST
Extended Forecast for

Decatur Airport IL

  • Today

    Today: Increasing clouds, with a high near 46. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 46 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 26. Northwest wind 5 to 8 mph becoming east northeast after midnight. Winds could gust as high as 16 mph.

    Low: 26 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 47. East northeast wind 7 to 9 mph becoming west southwest in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. South southwest wind 5 to 7 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Southwest wind 7 to 17 mph, with gusts as high as 24 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. South southwest wind 8 to 11 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 52. Northeast wind 10 to 15 mph, with gusts as high as 22 mph.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and snow after noon.  Mostly cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Partly Sunny
    then Chance
    Rain/Snow

Detailed Forecast

Today
Increasing clouds, with a high near 46. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Tonight
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 26. Northwest wind 5 to 8 mph becoming east northeast after midnight. Winds could gust as high as 16 mph.
Thursday
Mostly sunny, with a high near 47. East northeast wind 7 to 9 mph becoming west southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 30. South southwest wind 5 to 7 mph.
Friday
Sunny, with a high near 62. Southwest wind 7 to 17 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 35. South southwest wind 8 to 11 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 52. Northeast wind 10 to 15 mph, with gusts as high as 22 mph.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of rain and snow after noon. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Sunday Night
Rain and snow likely, mainly before midnight. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 35.
Monday Night
A chance of rain. Mostly cloudy, with a low around 24.
Tuesday
A chance of rain. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur Airport IL
 39.84°N 88.85°W (Elev. 686 ft)
6:36 am CST Feb 25, 2026
7am CST Feb 25, 2026-6pm CST Mar 3, 2026
 
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Additional Resources

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