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

45°F

7°C

Humidity 77%
Wind Speed Calm
Barometer 30.05 in (1017.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 10 Nov 8:54 pm CST
Extended Forecast for

2 Miles WSW Owaneco IL

  • Tonight

    Tonight: Mostly clear, with a low around 43. Light south southeast wind.

    Low: 43 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 65. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 21 mph.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. North northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 48. North northwest wind 9 to 15 mph, with gusts as high as 22 mph.

    High: 48 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. North northwest wind 5 to 10 mph, with gusts as high as 16 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 44. North northwest wind 6 to 11 mph, with gusts as high as 17 mph.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24. North northwest wind around 5 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 43. Light south southeast wind.
Veterans Day
Mostly sunny, with a high near 65. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 39. North northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 48. North northwest wind 9 to 15 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 30. North northwest wind 5 to 10 mph, with gusts as high as 16 mph.
Friday
Sunny, with a high near 44. North northwest wind 6 to 11 mph, with gusts as high as 17 mph.
Friday Night
Mostly clear, with a low around 24. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Owaneco IL
 39.48°N 89.25°W (Elev. 600 ft)
Last Update:
7:11 pm CST Nov 10, 2026
Forecast Valid:
9pm CST Nov 10, 2026-6pm CST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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