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Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

56°F

13°C

Humidity 65%
Wind Speed SW 8 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 6 Oct 11:54 pm CDT
Extended Forecast for

Argenta IL

  • Overnight

    Overnight: Clear, with a low around 51. South southwest wind around 9 mph.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Southwest wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 17 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. North northwest wind 3 to 8 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. North northwest wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. North wind 5 to 7 mph becoming light and variable.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. South southeast wind 6 to 13 mph, with gusts as high as 16 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. South southeast wind around 11 mph, with gusts as high as 15 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 51. South southwest wind around 9 mph.
Wednesday
Sunny, with a high near 84. Southwest wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 52. North northwest wind 3 to 8 mph.
Thursday
Sunny, with a high near 77. North northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 47. North wind 5 to 7 mph becoming light and variable.
Friday
Sunny, with a high near 80. South southeast wind 6 to 13 mph, with gusts as high as 16 mph.
Friday Night
Mostly clear, with a low around 55. South southeast wind around 11 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 56.
Columbus Day
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
A chance of showers. Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Argenta IL
 39.99°N 88.82°W (Elev. 676 ft)
Last Update:
10:56 pm CDT Oct 6, 2026
Forecast Valid:
12am CDT Oct 7, 2026-6pm CDT Oct 13, 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