Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
16°F
-9°C
| Humidity | 56% |
| Wind Speed | N 9 mph |
| Barometer | 30.36 in (1029.6 mb) |
| Dewpoint | 3°F (-16°C) |
| Visibility | 10.00 mi |
| Wind Chill | 5°F (-15°C) |
| Last update | 30 Jan 1:54 pm CST |
Extended Forecast for
3 Miles WSW Forsyth IL
This Afternoon

High: 16 °F
Chance
FlurriesTonight
Low: 3 °F
Slight Chance
Snow then
Partly CloudySaturday

High: 19 °F
Mostly Sunny
Saturday Night

Low: 0 °F
Mostly Clear
Sunday

High: 23 °F
Mostly Sunny
Sunday Night
Low: 15 °F
Chance Snow
then Mostly
CloudyMonday

High: 29 °F
Mostly Cloudy
Monday Night

Low: 18 °F
Mostly Cloudy
Tuesday
High: 31 °F
Cloudy then
Chance Snow
Detailed Forecast
This Afternoon
A chance of flurries. Partly sunny, with a high near 16. Wind chill values between zero and 5. North wind 8 to 10 mph, with gusts as high as 15 mph.
Tonight
A slight chance of snow before 9pm, then a chance of flurries between 9pm and midnight. Mostly cloudy, with a low around 3. Wind chill values between -4 and -14. North wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 19. Wind chill values between -5 and -15. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 0. Wind chill values between -2 and -7. West northwest wind 3 to 8 mph.
Sunday
Mostly sunny, with a high near 23. Light west southwest wind becoming south southwest 5 to 10 mph in the morning.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 15. South wind 7 to 9 mph.
Monday
Mostly cloudy, with a high near 29. West wind 6 to 9 mph.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 31.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22.
Wednesday
Mostly cloudy, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 29.
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)
8:38 am CST Jan 30, 2026
2pm CST Jan 30, 2026-6pm CST Feb 5, 2026



