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

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

A Few Clouds

37°F

3°C

Humidity 65%
Wind Speed NW 6 mph
Barometer 29.67 in (1005.0 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 25 Feb 4:54 am CST
Extended Forecast for

Weldon IL

  • Today

    Today: Sunny, with a high near 44. West northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 24. West northwest wind 6 to 9 mph becoming northeast after midnight. Winds could gust as high as 15 mph.

    Low: 24 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 46. East northeast wind 7 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. South southwest wind 6 to 8 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. Breezy, with a south southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 61 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. South southwest wind 10 to 14 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Northeast wind 11 to 17 mph, with gusts as high as 23 mph.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and snow after noon. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Partly Sunny
    then Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 44. West northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Tonight
A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 24. West northwest wind 6 to 9 mph becoming northeast after midnight. Winds could gust as high as 15 mph.
Thursday
Mostly sunny, with a high near 46. East northeast wind 7 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 30. South southwest wind 6 to 8 mph.
Friday
Sunny, with a high near 61. Breezy, with a south southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Friday Night
Mostly clear, with a low around 33. South southwest wind 10 to 14 mph becoming north after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 50. Northeast wind 11 to 17 mph, with gusts as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A chance of rain and snow after noon. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 50%.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 34.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 22.
Tuesday
A chance of rain. Mostly cloudy, with a high near 39.
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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:
5:37 am CST Feb 25, 2026
Forecast Valid:
5am CST Feb 25, 2026-6pm CST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation