National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Partly Cloudy

20°F

-7°C

Humidity 45%
Wind Speed W 18 G 24 mph
Barometer 30.24 in (1025.2 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 28 Jan 1:54 pm CST
Extended Forecast for

4 Miles NNE Shelbyville IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 20. West wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 20 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 1. Wind chill values between -4 and -9. West wind around 5 mph becoming light and variable after midnight.

    Low: 1 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 16. Wind chill values between -4 and 6. North northeast wind 3 to 6 mph.

    High: 16 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -2. Wind chill values between -6 and -11. North northeast wind around 5 mph becoming calm.

    Low: -2 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 13. North wind 5 to 7 mph.

    High: 13 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -1. North wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: -1 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 15. Northwest wind 6 to 9 mph, with gusts as high as 16 mph.

    High: 15 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 20. West wind 7 to 13 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 1. Wind chill values between -4 and -9. West wind around 5 mph becoming light and variable after midnight.
Thursday
Mostly cloudy, with a high near 16. Wind chill values between -4 and 6. North northeast wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around -2. Wind chill values between -6 and -11. North northeast wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 13. North wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around -1. North wind 6 to 9 mph, with gusts as high as 16 mph.
Saturday
Mostly sunny, with a high near 15. Northwest wind 6 to 9 mph, with gusts as high as 16 mph.
Saturday Night
Partly cloudy, with a low around 0.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 10.
Monday
Mostly cloudy, with a high near 28.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Mostly cloudy, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Shelbyville IL
 39.46°N 88.79°W (Elev. 653 ft)
Last Update:
1:58 pm CST Jan 28, 2026
Forecast Valid:
2pm CST Jan 28, 2026-6pm CST Feb 3, 2026
 
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Additional Resources

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