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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

67°F

19°C

Humidity 84%
Wind Speed NA
Barometer 29.96 in (1013.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 27 May 12:54 am CDT
Extended Forecast for

2 Miles NNE Decatur Airport IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 61. North northeast wind 3 to 5 mph.

    Low: 61 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. Northeast wind 3 to 8 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. East wind around 6 mph becoming calm.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Northeast wind 8 to 13 mph, with gusts as high as 17 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. East northeast wind 8 to 10 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79. East wind around 8 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. East wind 5 to 7 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 61. North northeast wind 3 to 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. Northeast wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 59. East wind around 6 mph becoming calm.
Thursday
Mostly sunny, with a high near 82. Northeast wind 8 to 13 mph, with gusts as high as 17 mph.
Thursday Night
Partly cloudy, with a low around 57. East northeast wind 8 to 10 mph, with gusts as high as 15 mph.
Friday
Mostly sunny, with a high near 79. East wind around 8 mph.
Friday Night
Partly cloudy, with a low around 57. East wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Decatur Airport IL
 39.86°N 88.85°W (Elev. 682 ft)
Last Update:
12:51 am CDT May 27, 2026
Forecast Valid:
1am CDT May 27, 2026-6pm CDT Jun 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation