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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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Shelbyville IL
 39.46°N 88.82°W (Elev. 686 ft)
11:26 pm CDT Jun 21, 2026
11pm CDT Jun 21, 2026-6pm CDT Jun 28, 2026
 
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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