Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Mostly Cloudy
21°F
-6°C
| Humidity | 68% |
| Wind Speed | NW 16 G 25 mph |
| Barometer | 30.26 in (1025.4 mb) |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 7°F (-14°C) |
| Last update | 22 Feb 2:54 am CST |
Extended Forecast for
3 Miles WSW Forsyth IL
Overnight
Low: 19 °F
Cloudy
Sunday
High: 27 °F
Decreasing
Clouds and
BlusterySunday Night
Low: 14 °F
Mostly Cloudy
and Blustery
then Mostly
CloudyMonday
High: 31 °F
Becoming
SunnyMonday Night
Low: 18 °F
Increasing
CloudsTuesday
High: 47 °F
Mostly Cloudy
and BreezyTuesday Night
Low: 30 °F
Mostly Cloudy
Wednesday
High: 49 °F
Mostly Sunny
Wednesday Night
Low: 31 °F
Rain Likely
Detailed Forecast
Overnight
Cloudy, with a low around 19. Wind chill values between 5 and 10. Northwest wind around 18 mph, with gusts as high as 29 mph.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 27. Wind chill values between 3 and 13. Blustery, with a northwest wind 20 to 23 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 14. Wind chill values between -3 and 7. Blustery, with a northwest wind 17 to 20 mph, with gusts as high as 31 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 31. Wind chill values between -2 and 8. Northwest wind 8 to 17 mph, with gusts as high as 26 mph.
Monday Night
Increasing clouds, with a low around 18. Light and variable wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 16 mph.
Tuesday
Mostly cloudy, with a high near 47. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.
Tuesday Night
Mostly cloudy, with a low around 30. South southwest wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain before noon. Partly sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 37.
Saturday
Mostly sunny, with a high near 56.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
2:36 am CST Feb 22, 2026
3am CST Feb 22, 2026-6pm CST Feb 28, 2026
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