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

24°C

76°F

Humidity 82%
Wind Speed SW 6 km/h
Barometer 1015.5 mb (30.01 in)
Dewpoint 21°C (70°F)
Visibility 16 km
Heat Index25°C (77°F)
Last update 12 Jul 9:54 pm CDT
Extended Forecast for

3 Miles WNW Cisco IL

  • Tonight

    Tonight: Partly cloudy, with a low around 19. West wind around 8 km/h becoming north northwest after midnight.

    Low: 19 °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 southwest in the afternoon.

    High: 29 °C

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19. West wind 5 to 8 km/h becoming calm.

    Low: 19 °C

    Partly 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. Mostly cloudy, with a low around 22.

    Low: 22 °C

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. West wind around 8 km/h becoming north northwest after midnight.
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 southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 19. West wind 5 to 8 km/h becoming calm.
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. Mostly cloudy, with a low around 22.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 31. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 30.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Cisco IL
 40.03°N 88.79°W (Elev. 676 m)
Last Update:
5:41 pm CDT Jul 12, 2025
Forecast Valid:
10pm CDT Jul 12, 2025-6pm CDT Jul 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