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Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

57°F

14°C

Humidity 67%
Wind Speed SW 7 mph
Barometer 29.95 in (1013.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 7 Oct 1:54 am CDT
Extended Forecast for

Long Creek IL

  • Overnight

    Overnight: Clear, with a low around 50. South southwest wind around 9 mph, with gusts as high as 16 mph.

    Low: 50 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Southwest wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. North northwest wind 3 to 7 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. North northwest wind 3 to 8 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. North wind around 6 mph becoming light and variable.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. East southeast wind 6 to 11 mph, with gusts as high as 17 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 57. South southeast wind around 9 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 50. South southwest wind around 9 mph, with gusts as high as 16 mph.
Wednesday
Sunny, with a high near 84. Southwest wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 52. North northwest wind 3 to 7 mph.
Thursday
Sunny, with a high near 79. North northwest wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 50. North wind around 6 mph becoming light and variable.
Friday
Sunny, with a high near 82. East southeast wind 6 to 11 mph, with gusts as high as 17 mph.
Friday Night
Clear, with a low around 57. South southeast wind around 9 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 59.
Sunday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 56.
Columbus Day
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Creek IL
 39.81°N 88.83°W (Elev. 650 ft)
Last Update:
1:51 am CDT Oct 7, 2026
Forecast Valid:
2am CDT Oct 7, 2026-6pm CDT Oct 13, 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