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

68°F

20°C

Humidity 81%
Wind Speed E 7 mph
Barometer 30.11 in (1019.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 4 Aug 7:54 am CDT
Extended Forecast for

Weldon IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. East wind 7 to 10 mph.

    High: 80 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 9pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 64. East wind 5 to 7 mph.

    Low: 64 °F

    Heavy Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. East wind around 7 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. East southeast wind around 6 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. South southeast wind 3 to 5 mph.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. South southeast wind 3 to 5 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. South wind 5 to 7 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. East wind 7 to 10 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 64. East wind 5 to 7 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. East wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 65. East southeast wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 84. South southeast wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 66. South southeast wind 3 to 5 mph.
Thursday
Sunny, with a high near 86. South wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 71.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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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:
7:56 am CDT Aug 4, 2025
Forecast Valid:
8am CDT Aug 4, 2025-6pm CDT Aug 10, 2025
 
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