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

87°F

31°C

Humidity 42%
Wind Speed W 12 G 22 mph
Barometer 30.16 in (1020.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 3 Oct 2:54 pm CDT
Extended Forecast for

Long Creek IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southwest wind around 9 mph.

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 63. South wind 3 to 6 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. South wind 6 to 13 mph, with gusts as high as 17 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 58. South wind 6 to 8 mph.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 7 to 15 mph, with gusts as high as 22 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 60. South wind 6 to 10 mph.

    Low: 60 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 88. South southwest wind 6 to 9 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southwest wind around 9 mph.
Tonight
Mostly clear, with a low around 63. South wind 3 to 6 mph.
Saturday
Sunny, with a high near 87. South wind 6 to 13 mph, with gusts as high as 17 mph.
Saturday Night
Clear, with a low around 58. South wind 6 to 8 mph.
Sunday
Sunny, with a high near 86. South wind 7 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Clear, with a low around 60. South wind 6 to 10 mph.
Monday
Sunny, with a high near 88. South southwest wind 6 to 9 mph.
Monday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 62.
Tuesday
A 40 percent chance of showers. Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Creek IL
 39.79°N 88.86°W (Elev. 699 ft)
Last Update:
12:51 pm CDT Oct 3, 2025
Forecast Valid:
3pm CDT Oct 3, 2025-6pm CDT Oct 9, 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