Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

49°F

9°C

Humidity 35%
Wind Speed NW 13 G 21 mph
Barometer 29.76 in (1007.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 25 Feb 12:54 pm CST
Extended Forecast for

Decatur IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 46. West northwest wind 7 to 10 mph, with gusts as high as 17 mph.

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: Rain and snow likely before 2am, then a chance of snow and freezing rain between 2am and 4am.  Mostly cloudy, with a low around 29. Northwest wind 5 to 7 mph becoming northeast after midnight.  Chance of precipitation is 70%. Little or no ice accumulation expected.  New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow
    then Wintry
    Mix Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 49. East northeast wind around 6 mph becoming west southwest in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 33. South southwest wind 3 to 7 mph.

    Low: 33 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 65. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. South southwest wind 7 to 10 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 53. Northeast wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow before noon, then a chance of rain and snow.  Mostly cloudy, with a high near 38. Chance of precipitation is 40%.

    High: 38 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 46. West northwest wind 7 to 10 mph, with gusts as high as 17 mph.
Tonight
Rain and snow likely before 2am, then a chance of snow and freezing rain between 2am and 4am. Mostly cloudy, with a low around 29. Northwest wind 5 to 7 mph becoming northeast after midnight. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 49. East northeast wind around 6 mph becoming west southwest in the afternoon.
Thursday Night
Clear, with a low around 33. South southwest wind 3 to 7 mph.
Friday
Sunny, with a high near 65. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 35. South southwest wind 7 to 10 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 53. Northeast wind 7 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
Sunday Night
Rain and snow likely, becoming all snow after midnight. Cloudy, with a low around 23. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 34.
Monday Night
A chance of rain. Cloudy, with a low around 23.
Tuesday
A chance of rain. Mostly cloudy, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur IL
 39.84°N 88.94°W (Elev. 692 ft)
12:36 pm CST Feb 25, 2026
1pm CST Feb 25, 2026-6pm CST Mar 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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