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.

Overcast

70°F

21°C

Humidity 90%
Wind Speed W 18 G 28 mph
Barometer 29.74 in (1006.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 21 Jun 11:54 pm CDT
Extended Forecast for

3 Miles N Shelbyville IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. Southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 17 mph.

    Low: 61 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 72. North wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 72 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. North northeast wind 5 to 8 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: Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Light and variable wind becoming south around 6 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 61. Southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 17 mph.
Monday
Mostly cloudy, with a high near 72. North wind 11 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 54. North northeast wind 5 to 8 mph.
Tuesday
Sunny, with a high near 77. Northeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 57. Light and variable wind.
Wednesday
Mostly sunny, with a high near 79. Light and variable wind becoming south around 6 mph in the morning.
Wednesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 60.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
Partly 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:
11:26 pm CDT Jun 21, 2026
Forecast Valid:
11pm CDT Jun 21, 2026-6pm CDT Jun 28, 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