Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
7°F
-14°C
| Humidity | 80% |
| Wind Speed | Calm |
| Barometer | 30.29 in (1027.2 mb) |
| Dewpoint | 2°F (-17°C) |
| Visibility | 10.00 mi |
| Last update | 29 Jan 5:54 am CST |
Extended Forecast for
4 Miles N Forsyth IL
Today

High: 16 °F
Mostly Cloudy
Tonight

Low: -2 °F
Mostly Cloudy
Friday

High: 15 °F
Mostly Sunny
Friday Night

Low: 1 °F
Partly Cloudy
Saturday

High: 19 °F
Mostly Sunny
Saturday Night

Low: 1 °F
Mostly Clear
Sunday

High: 22 °F
Mostly Sunny
Sunday Night

Low: 13 °F
Chance Snow
Monday

High: 29 °F
Partly Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 16. Wind chill values between -9 and 1. North northeast wind around 6 mph.
Tonight
Mostly cloudy, with a low around -2. Wind chill values between -4 and -14. North wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 15. Wind chill values between -4 and -14. North wind 6 to 10 mph, with gusts as high as 15 mph.
Friday Night
Partly cloudy, with a low around 1. Wind chill values between -6 and -16. North wind 9 to 14 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 19. Northwest wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 1. Northwest wind 5 to 9 mph.
Sunday
Mostly sunny, with a high near 22. West wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13.
Monday
Partly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Mostly cloudy, with a high near 30.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 18.
Wednesday
A chance of snow. Mostly cloudy, with a high near 29.
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)
3:21 am CST Jan 29, 2026
6am CST Jan 29, 2026-6pm CST Feb 4, 2026



