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.

Mostly Cloudy

28°C

83°F

Humidity 67%
Wind Speed Vrbl 7 km/h
Barometer 1013.5 mb (29.95 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index31°C (88°F)
Last update 12 Jul 6:54 pm CDT
Extended Forecast for

3 Miles W Maroa IL

  • Tonight

    Tonight: Partly cloudy, with a low around 20. North northwest wind 5 to 11 km/h.

    Low: 20 °C

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly between noon and 5pm. Partly sunny, with a high near 29. North northeast wind 5 to 10 km/h becoming south southwest in the afternoon.

    High: 29 °C

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. Calm wind.

    Low: 19 °C

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 31. East southeast wind 8 to 10 km/h becoming south in the afternoon.

    High: 31 °C

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. Southeast wind 8 to 10 km/h.

    Low: 21 °C

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 31. South wind 10 to 14 km/h.

    High: 31 °C

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22. South wind around 11 km/h.

    Low: 22 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 31. Chance of precipitation is 60%.

    High: 31 °C

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 22.

    Low: 22 °C

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 20. North northwest wind 5 to 11 km/h.
Sunday
A 30 percent chance of showers, mainly between noon and 5pm. Partly sunny, with a high near 29. North northeast wind 5 to 10 km/h becoming south southwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 19. Calm wind.
Monday
Mostly sunny, with a high near 31. East southeast wind 8 to 10 km/h becoming south in the afternoon.
Monday Night
Partly cloudy, with a low around 21. Southeast wind 8 to 10 km/h.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 31. South wind 10 to 14 km/h.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22. South wind around 11 km/h.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 31. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 22.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 30.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Maroa IL
 40.04°N 89.02°W (Elev. 699 m)
Last Update:
5:41 pm CDT Jul 12, 2025
Forecast Valid:
7pm CDT Jul 12, 2025-6pm CDT Jul 19, 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