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

58°F

14°C

Humidity 60%
Wind Speed S 12 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 19 Mar 10:54 pm CDT
Extended Forecast for

Argenta IL

  • Tonight

    Tonight: Partly cloudy, with a low around 47. South southwest wind 8 to 10 mph, with gusts as high as 15 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. North wind 6 to 9 mph becoming east northeast after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. East wind 6 to 10 mph becoming southwest in the afternoon.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. South southwest wind 8 to 14 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Breezy, with a south southwest wind 14 to 23 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 79 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. Breezy, with a north wind 16 to 20 mph, with gusts as high as 28 mph.

    Low: 35 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. South southwest wind 8 to 10 mph, with gusts as high as 15 mph.
Friday
Mostly sunny, with a high near 75. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 44. North wind 6 to 9 mph becoming east northeast after midnight.
Saturday
Sunny, with a high near 75. East wind 6 to 10 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 57. South southwest wind 8 to 14 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 79. Breezy, with a south southwest wind 14 to 23 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 35. Breezy, with a north wind 16 to 20 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly cloudy, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 71. Breezy.
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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:
10:36 pm CDT Mar 19, 2026
Forecast Valid:
11pm CDT Mar 19, 2026-6pm CDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation