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.

Fair

67°F

19°C

Humidity 20%
Wind Speed SW 13 G 20 mph
Barometer 29.64 in (1003.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 18 Feb 3:54 pm CST
Extended Forecast for

Long Creek IL

  • Tonight

    Tonight: Increasing clouds, with a low around 46. Southwest wind 6 to 8 mph becoming southeast after midnight.

    Low: 46 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of rain, with thunderstorms also possible after noon. Mostly cloudy, with a high near 66. South southeast wind 8 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 66 °F

    Chance Rain
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before midnight. Partly cloudy, with a low around 35. Breezy, with a southwest wind 11 to 16 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 32 mph.

    Low: 35 °F

    Chance Rain
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 45. Breezy, with a west wind 19 to 24 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 45 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. Northwest wind 8 to 10 mph, with gusts as high as 16 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 40. West northwest wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 40 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. Northwest wind 10 to 16 mph, with gusts as high as 22 mph.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 34. Breezy.

    High: 34 °F

    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 46. Southwest wind 6 to 8 mph becoming southeast after midnight.
Thursday
A chance of rain, with thunderstorms also possible after noon. Mostly cloudy, with a high near 66. South southeast wind 8 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of rain before midnight. Partly cloudy, with a low around 35. Breezy, with a southwest wind 11 to 16 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 32 mph.
Friday
Mostly sunny, with a high near 45. Breezy, with a west wind 19 to 24 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph.
Friday Night
Mostly clear, with a low around 26. Northwest wind 8 to 10 mph, with gusts as high as 16 mph.
Saturday
Sunny, with a high near 40. West northwest wind 8 to 14 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 22. Northwest wind 10 to 16 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 34. Breezy.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
A chance of rain. Partly sunny, with a high near 51. Breezy.
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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:
3:36 pm CST Feb 18, 2026
Forecast Valid:
4pm CST Feb 18, 2026-6pm CST Feb 25, 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