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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

52°F

11°C

Humidity 83%
Wind Speed S 10 mph
Barometer 30.11 in (1019.5 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 9 Oct 6:54 am CDT
Extended Forecast for

Elwin IL

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 85. South southeast wind 5 to 11 mph, with gusts as high as 17 mph.

    High: 85 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. South southeast wind around 9 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly cloudy, with a high near 81. Southeast wind 8 to 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. East wind 7 to 9 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 78. East northeast wind around 6 mph becoming north northwest in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 88. Southwest wind 6 to 14 mph, with gusts as high as 18 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 85. South southeast wind 5 to 11 mph, with gusts as high as 17 mph.
Tonight
Mostly clear, with a low around 58. South southeast wind around 9 mph, with gusts as high as 15 mph.
Saturday
Mostly cloudy, with a high near 81. Southeast wind 8 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around 57. East wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 78. East northeast wind around 6 mph becoming north northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 56. Light and variable wind.
Columbus Day
Sunny, with a high near 88. Southwest wind 6 to 14 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A chance of showers. Partly sunny, with a high near 78.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 59.
Thursday
A chance of showers. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Elwin IL
 39.8°N 88.94°W (Elev. 699 ft)
Last Update:
6:36 am CDT Oct 9, 2026
Forecast Valid:
7am CDT Oct 9, 2026-6pm CDT Oct 15, 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