Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

27°F

-3°C

Humidity 72%
Wind Speed NW 20 G 33 mph
Barometer 30.20 in (1023.5 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 10 Nov 4:54 am CST
Extended Forecast for

Elwin IL

  • Overnight

    Overnight: A 20 percent chance of snow.  Mostly cloudy, with a low around 23. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Slight Chance
    Snow and
    Blustery

  • Monday

    Monday: A chance of flurries before 7am.  Mostly cloudy, then gradually becoming sunny, with a high near 36. Breezy, with a north northwest wind 11 to 20 mph, with gusts as high as 31 mph.

    High: 36 °F

    Chance
    Flurries and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 21. West northwest wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 16 mph.

    Low: 21 °F

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: Cloudy, then gradually becoming mostly sunny, with a high near 48. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 29 mph.

    High: 48 °F

    Decreasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. West wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 58. West northwest wind 10 to 15 mph, with gusts as high as 21 mph.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. West northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 23. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.
Monday
A chance of flurries before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 36. Breezy, with a north northwest wind 11 to 20 mph, with gusts as high as 31 mph.
Monday Night
Increasing clouds, with a low around 21. West northwest wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 16 mph.
Veterans Day
Cloudy, then gradually becoming mostly sunny, with a high near 48. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 35. West wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 58. West northwest wind 10 to 15 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 32. West northwest wind 5 to 8 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 72. Breezy.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 52.
Sunday
A chance of rain. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Elwin IL
 39.78°N 88.97°W (Elev. 705 ft)
5:11 am CST Nov 10, 2025
5am CST Nov 10, 2025-6pm CST Nov 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database