Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
10°F
-12°C
| Humidity | 92% |
| Wind Speed | N 6 mph |
| Barometer | 30.31 in (1027.4 mb) |
| Dewpoint | 8°F (-13°C) |
| Visibility | 8.00 mi |
| Wind Chill | 0°F (-18°C) |
| Last update | 4 Feb 2:54 am CST |
Extended Forecast for
4 Miles N Forsyth IL
Overnight

Low: 9 °F
Mostly Cloudy
Wednesday

High: 26 °F
Partly Sunny
Wednesday Night

Low: 11 °F
Partly Cloudy
Thursday

High: 32 °F
Mostly Cloudy
Thursday Night

Low: 24 °F
Partly Cloudy
Friday

High: 42 °F
Partly Sunny
Friday Night

Low: 19 °F
Partly Cloudy
Saturday

High: 32 °F
Mostly Sunny
Saturday Night

Low: 24 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 9. Wind chill values between -1 and 4. Northeast wind around 6 mph.
Wednesday
Partly sunny, with a high near 26. Wind chill values between 1 and 11. North northeast wind around 7 mph.
Wednesday Night
Partly cloudy, with a low around 11. Wind chill values between 3 and 8. Light and variable wind becoming southwest around 6 mph after midnight.
Thursday
Mostly cloudy, with a high near 32. Wind chill values between zero and 10. South southwest wind 6 to 14 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 24. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 42. Northwest wind 14 to 18 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 19. Northwest wind 7 to 14 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 52.
Additional Forecasts and Information
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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)
2:37 am CST Feb 4, 2026
3am CST Feb 4, 2026-6pm CST Feb 10, 2026


