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

50°F

10°C

Humidity 50%
Wind Speed Calm
Barometer 30.26 in (1024.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 13 Nov 9:54 am CST
Extended Forecast for

Argenta IL

  • Today

    Today: Mostly sunny, with a high near 62. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. South southeast wind around 8 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 70. South southwest wind 6 to 10 mph.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. South southwest wind 8 to 14 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 73. Breezy, with a south southwest wind 15 to 21 mph becoming west in the afternoon. Winds could gust as high as 28 mph.

    High: 73 °F

    Partly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. North northwest wind 11 to 14 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54. Northwest wind 9 to 13 mph, with gusts as high as 18 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 62. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 42. South southeast wind around 8 mph.
Friday
Mostly sunny, with a high near 70. South southwest wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 55. South southwest wind 8 to 14 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 73. Breezy, with a south southwest wind 15 to 21 mph becoming west in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
Mostly clear, with a low around 37. North northwest wind 11 to 14 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 54. Northwest wind 9 to 13 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 33.
Monday
Mostly sunny, with a high near 55.
Monday Night
Rain likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Tuesday
A chance of rain. Partly sunny, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 53.
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:
9:36 am CST Nov 13, 2025
Forecast Valid:
10am CST Nov 13, 2025-6pm CST Nov 19, 2025
 
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