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

6°C

42°F

Humidity 65%
Wind Speed S 7 km/h
Barometer 1020.0 mb (30.10 in)
Dewpoint -1°C (31°F)
Visibility 16 km
Wind Chill4°C (39°F)
Last update 13 Feb 6:54 pm CST
Extended Forecast for

3 Miles NNE Dalton City IL

  • Tonight

    Tonight: Increasing clouds, with a low around 1. South wind 8 to 13 km/h, with gusts as high as 24 km/h.

    Low: 1 °C

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after noon. Cloudy, with a high near 11. South wind 8 to 11 km/h.

    High: 11 °C

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Patchy fog after 2am. Otherwise, cloudy, with a low around 4. South southeast wind 10 to 13 km/h becoming east after midnight. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.

    Low: 4 °C

    Rain Likely
    and Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 14. North northeast wind 10 to 13 km/h.

    High: 14 °C

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 2. North northeast wind 5 to 10 km/h becoming south after midnight.

    Low: 2 °C

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 14. South wind 10 to 18 km/h, with gusts as high as 27 km/h.

    High: 14 °C

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 5. South wind around 14 km/h.

    Low: 5 °C

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 14.

    High: 14 °C

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 10.

    Low: 10 °C

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 1. South wind 8 to 13 km/h, with gusts as high as 24 km/h.
Saturday
A 30 percent chance of rain, mainly after noon. Cloudy, with a high near 11. South wind 8 to 11 km/h.
Saturday Night
Rain likely, mainly before midnight. Patchy fog after 2am. Otherwise, cloudy, with a low around 4. South southeast wind 10 to 13 km/h becoming east after midnight. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.
Sunday
Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 14. North northeast wind 10 to 13 km/h.
Sunday Night
Mostly clear, with a low around 2. North northeast wind 5 to 10 km/h becoming south after midnight.
Washington's Birthday
Partly sunny, with a high near 14. South wind 10 to 18 km/h, with gusts as high as 27 km/h.
Monday Night
Mostly cloudy, with a low around 5. South wind around 14 km/h.
Tuesday
Mostly cloudy, with a high near 14.
Tuesday Night
Mostly cloudy, with a low around 10.
Wednesday
Partly sunny, with a high near 19. Breezy.
Wednesday Night
Mostly cloudy, with a low around 5.
Thursday
A chance of rain. Partly sunny, with a high near 16.
Thursday Night
A chance of rain. Partly cloudy, with a low around 2.
Friday
Mostly sunny, with a high near 9.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Dalton City IL
 39.75°N 88.77°W (Elev. 712 m)
Last Update:
6:36 pm CST Feb 13, 2026
Forecast Valid:
7pm CST Feb 13, 2026-6pm CST Feb 20, 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