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

38°F

3°C

Humidity 86%
Wind Speed SW 6 mph
Barometer 29.91 in (1013.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 26 Feb 10:54 pm CST
Extended Forecast for

2 Miles E Elwin IL

  • Tonight

    Tonight: Mostly clear, with a low around 32. South southwest wind around 6 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66. Southwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. South southwest wind 7 to 10 mph becoming north northeast after midnight. Winds could gust as high as 17 mph.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 53. Northeast wind 7 to 13 mph, with gusts as high as 18 mph.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25. North northeast wind around 14 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 38. Northeast wind around 14 mph, with gusts as high as 22 mph.

    High: 38 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Rain and snow likely, mainly before midnight. Mostly cloudy, with a low around 23. East northeast wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 23 °F

    Rain/Snow
    Likely

  • Monday

    Monday: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 32. South southwest wind around 6 mph.
Friday
Sunny, with a high near 66. Southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 33. South southwest wind 7 to 10 mph becoming north northeast after midnight. Winds could gust as high as 17 mph.
Saturday
Mostly sunny, with a high near 53. Northeast wind 7 to 13 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 25. North northeast wind around 14 mph, with gusts as high as 22 mph.
Sunday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 38. Northeast wind around 14 mph, with gusts as high as 22 mph.
Sunday Night
Rain and snow likely, mainly before midnight. Mostly cloudy, with a low around 23. East northeast wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Mostly cloudy, with a high near 37.
Monday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 26.
Tuesday
A 50 percent chance of rain. Cloudy, with a high near 41.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 32.
Wednesday
Rain likely. Cloudy, with a high near 51.
Wednesday Night
Rain likely. Cloudy, with a low around 43.
Thursday
Rain likely. Mostly cloudy, with a high near 62.
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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:
9:51 pm CST Feb 26, 2026
Forecast Valid:
10pm CST Feb 26, 2026-6pm CST Mar 5, 2026
 
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