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

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

80°F

27°C

Humidity 38%
Wind Speed N 8 mph
Barometer 30.23 in (1023.4 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 14 Oct 3:54 pm CDT
Extended Forecast for

Argenta IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. East northeast wind 6 to 8 mph.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 77. East northeast wind around 6 mph.

    High: 77 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. East northeast wind around 8 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 78. Southeast wind 8 to 10 mph.

    High: 78 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 55. Southeast wind around 10 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 60. South southeast wind 11 to 13 mph, with gusts as high as 16 mph.

    Low: 60 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely. Partly sunny, with a high near 74. Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Partly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. East northeast wind 6 to 8 mph.
Wednesday
Mostly cloudy, with a high near 77. East northeast wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 55. East northeast wind around 8 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 78. Southeast wind 8 to 10 mph.
Thursday Night
Increasing clouds, with a low around 55. Southeast wind around 10 mph.
Friday
Partly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 60. South southeast wind 11 to 13 mph, with gusts as high as 16 mph.
Saturday
Showers likely. Partly sunny, with a high near 74. Chance of precipitation is 70%.
Saturday Night
Showers likely, mainly before 1am. Partly cloudy, with a low around 48. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 64. Breezy.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 70. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Argenta IL
 39.99°N 88.82°W (Elev. 676 ft)
Last Update:
4:16 pm CDT Oct 14, 2025
Forecast Valid:
4pm CDT Oct 14, 2025-6pm CDT Oct 21, 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