Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

75°F

24°C

Humidity 42%
Wind Speed E 5 mph
Barometer 30.12 in (1019.7 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 1 Oct 6:54 pm CDT
Extended Forecast for

3 Miles WSW Forsyth IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. East southeast wind around 6 mph.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. South southeast wind around 6 mph.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. South southeast wind around 6 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. South southwest wind 5 to 7 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. South wind around 6 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. South wind 6 to 13 mph, with gusts as high as 16 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 59. South wind 8 to 10 mph.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. East southeast wind around 6 mph.
Thursday
Mostly sunny, with a high near 87. South southeast wind around 6 mph.
Thursday Night
Mostly clear, with a low around 61. South southeast wind around 6 mph.
Friday
Sunny, with a high near 88. South southwest wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 62. South wind around 6 mph.
Saturday
Sunny, with a high near 87. South wind 6 to 13 mph, with gusts as high as 16 mph.
Saturday Night
Clear, with a low around 59. South wind 8 to 10 mph.
Sunday
Sunny, with a high near 87.
Sunday Night
Clear, with a low around 61.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Forsyth IL
 39.89°N 89.02°W (Elev. 656 ft)
6:36 pm CDT Oct 1, 2025
7pm CDT Oct 1, 2025-6pm CDT Oct 8, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database