Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

29°F

-2°C

Humidity 72%
Wind Speed S 17 mph
Barometer 29.90 in (1013.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 5 Feb 6:54 pm CST
Extended Forecast for

2 Miles ENE Harristown IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 24. West southwest wind 7 to 9 mph, with gusts as high as 16 mph.

    Low: 24 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 39. West southwest wind 8 to 18 mph becoming north northwest in the morning. Winds could gust as high as 30 mph.

    High: 39 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 14. Wind chill values between 3 and 8. North wind 9 to 15 mph, with gusts as high as 23 mph.

    Low: 14 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 27. Wind chill values between 3 and 13. North northeast wind 5 to 8 mph becoming southeast in the afternoon.

    High: 27 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20. South southeast wind 6 to 11 mph, with gusts as high as 17 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 39. South southeast wind 8 to 13 mph, with gusts as high as 18 mph.

    High: 39 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. Southeast wind around 7 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 24. West southwest wind 7 to 9 mph, with gusts as high as 16 mph.
Friday
Mostly cloudy, with a high near 39. West southwest wind 8 to 18 mph becoming north northwest in the morning. Winds could gust as high as 30 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 14. Wind chill values between 3 and 8. North wind 9 to 15 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 27. Wind chill values between 3 and 13. North northeast wind 5 to 8 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 20. South southeast wind 6 to 11 mph, with gusts as high as 17 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 39. South southeast wind 8 to 13 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 24. Southeast wind around 7 mph.
Monday
Sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Wednesday
A chance of rain. Cloudy, with a high near 49.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32.
Thursday
A chance of rain. Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Harristown IL
 39.84°N 89.03°W (Elev. 666 ft)
6:37 pm CST Feb 5, 2026
7pm CST Feb 5, 2026-6pm CST Feb 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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