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.

Light Rain Fog/Mist

63°F

17°C

Humidity 93%
Wind Speed N 16 G 23 mph
Barometer 29.77 in (1007.8 mb)
Dewpoint 61°F (16°C)
Visibility 3.00 mi
Last update 22 Jun 1:54 am CDT
Extended Forecast for

3 Miles N Shelbyville IL

  • Overnight

    Overnight: Cloudy, with a low around 61. Northwest wind 9 to 11 mph, with gusts as high as 17 mph.

    Low: 61 °F

    Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 72. North wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 72 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. North northeast wind 3 to 7 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Northeast wind 3 to 5 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. Light east southeast wind.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. South southwest wind 5 to 7 mph.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 61. South southwest wind 3 to 5 mph.

    Low: 61 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Overnight
Cloudy, with a low around 61. Northwest wind 9 to 11 mph, with gusts as high as 17 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 72. North wind 10 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 54. North northeast wind 3 to 7 mph.
Tuesday
Sunny, with a high near 77. Northeast wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 57. Light east southeast wind.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. South southwest wind 5 to 7 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 61. South southwest wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 60.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63.
Saturday
A chance of showers. Partly sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Shelbyville IL
 39.46°N 88.82°W (Elev. 686 ft)
Last Update:
1:26 am CDT Jun 22, 2026
Forecast Valid:
2am CDT Jun 22, 2026-6pm CDT Jun 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation