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.

Fog/Mist

41°F

5°C

Humidity 96%
Wind Speed NE 14 mph
Barometer 30.12 in (1020.5 mb)
Dewpoint 40°F (4°C)
Visibility 3.00 mi
Wind Chill33°F (1°C)
Last update 4 Mar 5:54 am CST
Extended Forecast for

Argenta IL

  • Today

    Today: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Areas of fog. Otherwise, cloudy, with a high near 51. East wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Showers
    Likely and
    Areas Fog

  • Tonight

    Tonight: A chance of showers, then showers and possibly a thunderstorm after 9pm. Areas of fog. Low around 48. East wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers and
    Areas Fog

  • Thursday

    Thursday: Showers likely, mainly before noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 61. South wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Showers
    Likely and
    Patchy Fog
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming southeast in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 50%.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Showers likely, mainly before noon. Partly sunny, with a high near 75. Breezy, with a south wind 11 to 16 mph increasing to 18 to 23 mph in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 75 °F

    Breezy.
    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before midnight, then showers and possibly a thunderstorm between midnight and 3am, then showers after 3am. Low around 51. Breezy, with a south wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers before noon. Partly sunny, with a high near 61. Breezy, with a west wind 13 to 20 mph, with gusts as high as 26 mph.

    High: 61 °F

    Chance
    Showers and
    Breezy then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Areas of fog. Otherwise, cloudy, with a high near 51. East wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers, then showers and possibly a thunderstorm after 9pm. Areas of fog. Low around 48. East wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, mainly before noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 61. South wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming southeast in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 50%.
Friday
Showers likely, mainly before noon. Partly sunny, with a high near 75. Breezy, with a south wind 11 to 16 mph increasing to 18 to 23 mph in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of showers before midnight, then showers and possibly a thunderstorm between midnight and 3am, then showers after 3am. Low around 51. Breezy, with a south wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 40 percent chance of showers before noon. Partly sunny, with a high near 61. Breezy, with a west wind 13 to 20 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 72.
Monday Night
A chance of showers. Mostly clear, with a low around 57.
Tuesday
Showers likely. Mostly cloudy, with a high near 74. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Argenta IL
 39.99°N 88.82°W (Elev. 676 ft)
Last Update:
5:06 am CST Mar 4, 2026
Forecast Valid:
6am CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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