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

78°F

26°C

Humidity 85%
Wind Speed S 6 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Jul 9:54 pm CDT
Extended Forecast for

Long Creek IL

  • Tonight

    Tonight: Isolated showers and thunderstorms before 11pm. Partly cloudy, with a low around 71. South wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 90. Southwest wind 6 to 11 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southwest wind around 8 mph.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. West northwest wind 7 to 10 mph, with gusts as high as 15 mph.

    High: 83 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. Northeast wind around 7 mph.

    Low: 65 °F

    Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 81. East wind around 6 mph.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South southeast wind around 6 mph.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 11pm. Partly cloudy, with a low around 71. South wind 3 to 5 mph. Chance of precipitation is 20%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 90. Southwest wind 6 to 11 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southwest wind around 8 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. West northwest wind 7 to 10 mph, with gusts as high as 15 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. Northeast wind around 7 mph.
Friday
Partly sunny, with a high near 81. East wind around 6 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South southeast wind around 6 mph.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 89.
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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:
5:56 pm CDT Jul 15, 2025
Forecast Valid:
10pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
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