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.

Fair and Breezy

71°F

22°C

Humidity 79%
Wind Speed S 23 G 44 mph
Barometer 29.66 in (1004.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 10 Mar 8:54 pm CDT
Extended Forecast for

Weldon IL

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 49. Breezy, with a south southwest wind 17 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Breezy.
    Mostly Cloudy
    then T-storms

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before noon, then a chance of rain between noon and 3pm. Temperature falling to around 44 by 5pm. Breezy, with a west southwest wind 17 to 24 mph becoming northwest in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F⇓

    Breezy. Rain
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 27. Blustery, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.

    Low: 27 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 49. West southwest wind 7 to 16 mph, with gusts as high as 21 mph.

    High: 49 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Breezy, with a south wind 14 to 19 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 37 mph.

    Low: 40 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 53. Breezy, with a west wind 21 to 26 mph, with gusts as high as 37 mph.

    High: 53 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32. Northwest wind 7 to 11 mph becoming east northeast after midnight. Winds could gust as high as 16 mph.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 49. Breezy, with a south southwest wind 17 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain and possibly a thunderstorm before noon, then a chance of rain between noon and 3pm. Temperature falling to around 44 by 5pm. Breezy, with a west southwest wind 17 to 24 mph becoming northwest in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 27. Blustery, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.
Thursday
Increasing clouds, with a high near 49. West southwest wind 7 to 16 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 40. Breezy, with a south wind 14 to 19 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 37 mph.
Friday
Partly sunny, with a high near 53. Breezy, with a west wind 21 to 26 mph, with gusts as high as 37 mph.
Friday Night
Mostly cloudy, with a low around 32. Northwest wind 7 to 11 mph becoming east northeast after midnight. Winds could gust as high as 16 mph.
Saturday
Mostly cloudy, with a high near 57.
Saturday Night
A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 43. Breezy.
Sunday
Rain. High near 58. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 16. Blustery.
Monday
Mostly sunny, with a high near 28. Blustery.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Mostly sunny, with a high near 37.
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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:
9:26 pm CDT Mar 10, 2026
Forecast Valid:
9pm CDT Mar 10, 2026-6pm CDT Mar 17, 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