Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

13°F

-11°C

Humidity 74%
Wind Speed N 9 mph
Barometer 30.37 in (1029.5 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 4 Dec 5:54 am CST
Extended Forecast for

3 Miles W Arthur IL

  • Today

    Today: Mostly sunny, with a high near 17. Wind chill values between -5 and 5. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 17 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy freezing fog after 7pm. Partly cloudy, with a low around 1. Wind chill values between -3 and -8. North northeast wind around 5 mph becoming light and variable.

    Low: 1 °F

    Patchy
    Freezing Fog

  • Friday

    Friday: Mostly sunny, with a high near 31. Wind chill values between -1 and 9. South southwest wind 3 to 8 mph.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. South wind 6 to 8 mph becoming west after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 31. West wind around 6 mph becoming light and variable  in the afternoon.

    High: 31 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 20. Northeast wind 3 to 7 mph.

    Low: 20 °F

    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 28. North northeast wind 7 to 9 mph.

    High: 28 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 17. Wind chill values between -5 and 5. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Patchy freezing fog after 7pm. Partly cloudy, with a low around 1. Wind chill values between -3 and -8. North northeast wind around 5 mph becoming light and variable.
Friday
Mostly sunny, with a high near 31. Wind chill values between -1 and 9. South southwest wind 3 to 8 mph.
Friday Night
Mostly cloudy, with a low around 21. South wind 6 to 8 mph becoming west after midnight.
Saturday
Mostly cloudy, with a high near 31. West wind around 6 mph becoming light and variable in the afternoon.
Saturday Night
Cloudy, with a low around 20. Northeast wind 3 to 7 mph.
Sunday
Mostly cloudy, with a high near 28. North northeast wind 7 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 9.
Monday
Mostly sunny, with a high near 24.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
A chance of rain. Mostly cloudy, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Arthur IL
 39.72°N 88.52°W (Elev. 682 ft)
5:36 am CST Dec 4, 2025
6am CST Dec 4, 2025-6pm CST Dec 10, 2025
 
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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