Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Mostly Cloudy and Breezy
27°F
-3°C
| Humidity | 45% |
| Wind Speed | NW 21 G 35 mph |
| Barometer | 30.38 in (1029.9 mb) |
| Dewpoint | 8°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 13°F (-11°C) |
| Last update | 22 Feb 2:54 pm CST |
Extended Forecast for
4 Miles N Forsyth IL
This Afternoon

High: 27 °F
Mostly Cloudy
and BlusteryTonight
Low: 15 °F
Mostly Cloudy
and Blustery
then Mostly
CloudyMonday

High: 30 °F
Becoming
SunnyMonday Night

Low: 18 °F
Increasing
CloudsTuesday

High: 46 °F
Mostly Cloudy
and BreezyTuesday Night

Low: 28 °F
Decreasing
CloudsWednesday

High: 47 °F
Mostly Sunny
Wednesday Night

Low: 29 °F
Rain Likely
Thursday
High: 43 °F
Chance
Rain/Snow
then Mostly
Sunny
Detailed Forecast
This Afternoon
Mostly cloudy, with a high near 27. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 33 mph.
Tonight
Mostly cloudy, with a low around 15. Wind chill values between 1 and 8. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 30. Wind chill values between zero and 10. North northwest wind 8 to 16 mph, with gusts as high as 24 mph.
Monday Night
Increasing clouds, with a low around 18. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 17 mph.
Tuesday
Mostly cloudy, with a high near 46. Breezy, with a south wind 13 to 23 mph, with gusts as high as 32 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. South southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 23 mph.
Wednesday
Mostly sunny, with a high near 47. West northwest wind 8 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
Thursday
A chance of rain and snow before noon. Partly sunny, with a high near 43. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 57.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
4 Miles N Forsyth IL
39.97°N 88.96°W (Elev. 679 ft)
39.97°N 88.96°W (Elev. 679 ft)
3:16 pm CST Feb 22, 2026
3pm CST Feb 22, 2026-6pm CST Feb 28, 2026


