Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

33°F

1°C

Humidity 66%
Wind Speed W 20 G 44 mph
Barometer 29.57 in (1001.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 20 Feb 4:54 am CST
Extended Forecast for

Forsyth IL

Wind Advisory February 20, 05:35am until February 20, 09:00am
Click here for hazard details and duration
...
  •  
    Wind Advisory February 20, 05:35am until February 20, 09:00am

    NOW until 9:00am Fri

    Wind Advisory

  • Today

    High: 41 °F

    Becoming
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 23. West northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 38. West northwest wind 9 to 15 mph, with gusts as high as 21 mph.

    High: 38 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20. West northwest wind 13 to 18 mph, with gusts as high as 24 mph.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 33 mph.

    High: 31 °F

    Partly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16. Northwest wind around 18 mph, with gusts as high as 26 mph.

    Low: 16 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 32. North northwest wind 9 to 17 mph, with gusts as high as 23 mph.

    High: 32 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 41. Breezy, with a west wind 24 to 29 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 45 mph.
Tonight
Mostly clear, with a low around 23. West northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 38. West northwest wind 9 to 15 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 20. West northwest wind 13 to 18 mph, with gusts as high as 24 mph.
Sunday
Partly sunny, with a high near 31. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 33 mph.
Sunday Night
Partly cloudy, with a low around 16. Northwest wind around 18 mph, with gusts as high as 26 mph.
Monday
Mostly sunny, with a high near 32. North northwest wind 9 to 17 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Mostly sunny, with a high near 43. Breezy.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Forsyth IL
 39.93°N 88.96°W (Elev. 650 ft)
5:06 am CST Feb 20, 2026
5am CST Feb 20, 2026-6pm CST Feb 26, 2026
 
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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