Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
33°F
1°C
| Humidity | 61% |
| Wind Speed | NW 7 mph |
| Barometer | 29.97 in (1015.5 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 20 Feb 6:54 pm CST |
Extended Forecast for
3 Miles WSW Forsyth IL
Tonight

Low: 24 °F
Increasing
CloudsSaturday

High: 38 °F
Mostly Sunny
Saturday Night
Low: 20 °F
Partly Cloudy
then
Scattered
Flurries and
BlusterySunday

High: 30 °F
Partly Sunny
and BlusterySunday Night
Low: 16 °F
Partly Cloudy
and Blustery
then Partly
CloudyMonday

High: 31 °F
Sunny
Monday Night

Low: 18 °F
Partly Cloudy
Tuesday
High: 45 °F
Mostly Sunny
then Mostly
Cloudy and
BreezyTuesday Night

Low: 34 °F
Mostly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around 24. West northwest wind 6 to 8 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 38. West northwest wind 7 to 14 mph, with gusts as high as 20 mph.
Saturday Night
Scattered flurries after midnight. Partly cloudy, with a low around 20. Wind chill values between 4 and 14. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 26 mph.
Sunday
Partly sunny, with a high near 30. Wind chill values between 4 and 14. Blustery, with a northwest wind 20 to 23 mph, with gusts as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 16. Blustery, with a northwest wind 18 to 20 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 31. North northwest wind 9 to 18 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 18. Light and variable wind becoming south southwest 5 to 8 mph after midnight.
Tuesday
Partly sunny, with a high near 45. Breezy.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 56.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WSW Forsyth IL
39.89°N 89.02°W (Elev. 656 ft)
39.89°N 89.02°W (Elev. 656 ft)
6:35 pm CST Feb 20, 2026
7pm CST Feb 20, 2026-6pm CST Feb 27, 2026


