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.

Overcast

73°F

23°C

Humidity 94%
Wind Speed NA
Barometer 29.98 in (1014.5 mb)
Dewpoint 71°F (22°C)
Visibility 9.00 mi
Last update 9 Jun 1:54 am CDT
Extended Forecast for

Argenta IL

  • Overnight

    Overnight: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 67. South southwest wind around 8 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 87. Southwest wind 8 to 13 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. South southwest wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 73 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91. Heat index values as high as 101. South southwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South southwest wind 14 to 16 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Breezy, with a south southwest wind 14 to 23 mph, with gusts as high as 31 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am. Low around 65. Breezy, with a south southwest wind 10 to 20 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Showers and
    Breezy

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 67. South southwest wind around 8 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 87. Southwest wind 8 to 13 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. South southwest wind 6 to 9 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 91. Heat index values as high as 101. South southwest wind 10 to 18 mph, with gusts as high as 26 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South southwest wind 14 to 16 mph, with gusts as high as 25 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Breezy, with a south southwest wind 14 to 23 mph, with gusts as high as 31 mph.
Thursday Night
Showers and possibly a thunderstorm before 1am. Low around 65. Breezy, with a south southwest wind 10 to 20 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Sunny, with a high near 83.
Friday Night
Clear, with a low around 61.
Saturday
Sunny, with a high near 85.
Saturday Night
A chance of showers. Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
A chance of showers. Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 76.
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:
2:01 am CDT Jun 9, 2026
Forecast Valid:
2am CDT Jun 9, 2026-6pm CDT Jun 15, 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