Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fog/Mist

37°F

3°C

Humidity 100%
Wind Speed E 6 mph
Barometer 30.12 in (1020.5 mb)
Dewpoint 37°F (3°C)
Visibility 0.75 mi
Wind Chill32°F (0°C)
Last update 3 Mar 2:54 am CST
Extended Forecast for

Argenta IL

  • Overnight

    Overnight: A 40 percent chance of showers after 5am.  Patchy fog after 4am.  Otherwise, cloudy, with a low around 36. East wind around 6 mph.

    Low: 36 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 3pm.  Patchy fog. High near 46. East southeast wind around 6 mph becoming northeast in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 46 °F

    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 3am, then showers likely.  Patchy fog. Low around 41. Northeast wind 7 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers likely.  Patchy fog before noon.  Otherwise, cloudy, with a high near 54. East southeast wind 7 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm.  Low around 49. East southeast wind 7 to 9 mph becoming south southwest after midnight.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before noon.  Mostly cloudy, with a high near 63. Southwest wind 9 to 14 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after midnight.  Mostly cloudy, with a low around 49. West wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

    Low: 49 °F

    Partly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain likely, mainly before noon.  Mostly cloudy, with a high near 74. Breezy.  Chance of precipitation is 60%.

    High: 74 °F

    Rain Likely
    and Breezy

  • Friday Night

    Friday Night: A chance of rain, then rain and possibly a thunderstorm after midnight.  Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Chance Rain
    then Rain

Detailed Forecast

Overnight
A 40 percent chance of showers after 5am. Patchy fog after 4am. Otherwise, cloudy, with a low around 36. East wind around 6 mph.
Tuesday
Showers, with thunderstorms also possible after 3pm. Patchy fog. High near 46. East southeast wind around 6 mph becoming northeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 3am, then showers likely. Patchy fog. Low around 41. Northeast wind 7 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers likely. Patchy fog before noon. Otherwise, cloudy, with a high near 54. East southeast wind 7 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain and possibly a thunderstorm. Low around 49. East southeast wind 7 to 9 mph becoming south southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain likely, mainly before noon. Mostly cloudy, with a high near 63. Southwest wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 49. West wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Friday
Rain likely, mainly before noon. Mostly cloudy, with a high near 74. Breezy. Chance of precipitation is 60%.
Friday Night
A chance of rain, then rain and possibly a thunderstorm after midnight. Low around 56. Chance of precipitation is 80%.
Saturday
Rain likely before noon. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 44.
Monday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Argenta IL
 39.99°N 88.82°W (Elev. 676 ft)
2:21 am CST Mar 3, 2026
3am CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
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Additional Resources

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