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

88°F

31°C

Humidity 59%
Wind Speed W 13 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 30 Jun 1:54 pm CDT
Extended Forecast for

Weldon IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 88. West wind around 9 mph.

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 66. West northwest wind 6 to 8 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 84. Northwest wind 8 to 11 mph, with gusts as high as 15 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. West northwest wind 5 to 7 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. West northwest wind 3 to 8 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. West wind around 6 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Southwest wind around 6 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 88. West wind around 9 mph.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 66. West northwest wind 6 to 8 mph. Chance of precipitation is 40%.
Tuesday
Sunny, with a high near 84. Northwest wind 8 to 11 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 65. West northwest wind 5 to 7 mph.
Wednesday
Sunny, with a high near 86. West northwest wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 66. West wind around 6 mph.
Thursday
Sunny, with a high near 89. Southwest wind around 6 mph.
Thursday Night
Mostly clear, with a low around 69.
Independence Day
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 72.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 88.
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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:
1:55 pm CDT Jun 30, 2025
Forecast Valid:
2pm CDT Jun 30, 2025-6pm CDT Jul 6, 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