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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

73°F

23°C

Humidity 87%
Wind Speed W 8 mph
Barometer 29.87 in (1011.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 15 Oct 8:54 pm CDT
Extended Forecast for

Weldon IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Cloudy, with a low around 47. Breezy, with a west northwest wind 16 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: A 30 percent chance of showers, mainly after 4pm. Partly sunny, with a high near 55. Breezy, with a west northwest wind 21 to 25 mph, with gusts as high as 33 mph.

    High: 55 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 35. Breezy, with a north wind 13 to 21 mph, with gusts as high as 29 mph.

    Low: 35 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 58. North wind 5 to 7 mph becoming calm in the afternoon.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 4am. Otherwise, clear, with a low around 35. South wind 3 to 6 mph.

    Low: 35 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 68. South wind 7 to 11 mph, with gusts as high as 15 mph.

    High: 68 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. South wind 5 to 7 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Cloudy, with a low around 47. Breezy, with a west northwest wind 16 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Friday
A 30 percent chance of showers, mainly after 4pm. Partly sunny, with a high near 55. Breezy, with a west northwest wind 21 to 25 mph, with gusts as high as 33 mph.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 35. Breezy, with a north wind 13 to 21 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 58. North wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night
Areas of frost after 4am. Otherwise, clear, with a low around 35. South wind 3 to 6 mph.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 68. South wind 7 to 11 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 38. South wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Weldon IL
 40.12°N 88.75°W (Elev. 709 ft)
Last Update:
8:01 pm CDT Oct 15, 2026
Forecast Valid:
9pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation