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

71°F

22°C

Humidity 96%
Wind Speed Calm
Barometer 30.06 in (1017.4 mb)
Dewpoint 70°F (21°C)
Visibility 5.00 mi
Last update 13 Jul 10:54 pm CDT
Extended Forecast for

Argenta IL

  • Tonight

    Tonight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Patchy Dense
    Fog

  • Monday

    Monday: Areas of dense fog before 8am. Otherwise, mostly sunny, with a high near 86. Light and variable wind becoming east northeast around 5 mph in the afternoon.

    High: 86 °F

    Areas Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. East wind around 5 mph becoming light and variable in the evening.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. South wind 5 to 7 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 71. South wind around 6 mph.

    Low: 71 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Southwest wind 6 to 11 mph, with gusts as high as 15 mph.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. South southwest wind around 9 mph.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 67. Calm wind.
Monday
Areas of dense fog before 8am. Otherwise, mostly sunny, with a high near 86. Light and variable wind becoming east northeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 68. East wind around 5 mph becoming light and variable in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. South wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 71. South wind around 6 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Southwest wind 6 to 11 mph, with gusts as high as 15 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. South southwest wind around 9 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Friday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 84.
Friday Night
Mostly cloudy, with a low around 68.
Saturday
A chance of showers. Partly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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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:
10:41 pm CDT Jul 13, 2025
Forecast Valid:
11pm CDT Jul 13, 2025-6pm CDT Jul 20, 2025
 
Forecast Discussion
 
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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