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

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

29°F

-2°C

Humidity 51%
Wind Speed E 7 mph
Barometer 30.38 in (1029.8 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 7 Feb 3:54 pm CST
Extended Forecast for

3 Miles S La Place IL

  • Tonight

    Tonight: Increasing clouds, with a low around 20. Southeast wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 20 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 33. Southeast wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. East southeast wind 6 to 10 mph, with gusts as high as 15 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. South wind around 7 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. South wind 7 to 10 mph, with gusts as high as 17 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. Southwest wind 8 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 30. North northeast wind 7 to 9 mph.

    Low: 30 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 20. Southeast wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday
Partly sunny, with a high near 33. Southeast wind 11 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 23. East southeast wind 6 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 45. South wind around 7 mph.
Monday Night
Mostly clear, with a low around 33. South wind 7 to 10 mph, with gusts as high as 17 mph.
Tuesday
Mostly sunny, with a high near 54. Southwest wind 8 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 30. North northeast wind 7 to 9 mph.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
A 30 percent chance of rain after noon. Cloudy, with a high near 40.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 40.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
A chance of rain and snow. Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S La Place IL
 39.74°N 88.72°W (Elev. 673 ft)
Last Update:
3:37 pm CST Feb 7, 2026
Forecast Valid:
4pm CST Feb 7, 2026-6pm CST Feb 14, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation