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.

Overcast

26°F

-3°C

Humidity 66%
Wind Speed N 8 mph
Barometer 30.38 in (1029.9 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 4 Feb 2:54 pm CST
Extended Forecast for

2 Miles E Elwin IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 27. North wind 6 to 8 mph.

    High: 27 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 11. North wind around 6 mph becoming calm in the evening.

    Low: 11 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 31. Wind chill values between 4 and 14. South southwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 31 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 41. Breezy, with a west southwest wind 13 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 41 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 16. North northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 16 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 28. North northeast wind 6 to 8 mph becoming southeast in the afternoon.

    High: 28 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 27. North wind 6 to 8 mph.
Tonight
Mostly cloudy, with a low around 11. North wind around 6 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 31. Wind chill values between 4 and 14. South southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 24. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Friday
Partly sunny, with a high near 41. Breezy, with a west southwest wind 13 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 16. North northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 28. North northeast wind 6 to 8 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Mostly clear, with a low around 26.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Mostly sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Elwin IL
 39.8°N 88.91°W (Elev. 656 ft)
Last Update:
3:37 pm CST Feb 4, 2026
Forecast Valid:
3pm CST Feb 4, 2026-6pm CST Feb 10, 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