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Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

62°F

17°C

Humidity 54%
Wind Speed S 7 mph
Barometer 29.98 in (1015.4 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 6 Oct 7:54 pm CDT
Extended Forecast for

Weldon IL

  • Tonight

    Tonight: Clear, with a low around 51. South southwest wind around 9 mph, with gusts as high as 15 mph.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Southwest wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. North northwest wind 5 to 8 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. North northwest wind 6 to 10 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. North wind 5 to 7 mph becoming light and variable.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. South southeast wind 6 to 13 mph, with gusts as high as 16 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. South southeast wind around 11 mph, with gusts as high as 16 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 51. South southwest wind around 9 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 83. Southwest wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 53. North northwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 76. North northwest wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 48. North wind 5 to 7 mph becoming light and variable.
Friday
Sunny, with a high near 79. South southeast wind 6 to 13 mph, with gusts as high as 16 mph.
Friday Night
Mostly clear, with a low around 55. South southeast wind around 11 mph, with gusts as high as 16 mph.
Saturday
Sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 56.
Columbus Day
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
A chance of showers. Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weldon IL
 40.12°N 88.75°W (Elev. 709 ft)
Last Update:
7:41 pm CDT Oct 6, 2026
Forecast Valid:
8pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation