Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
15°F
-9°C
| Humidity | 74% |
| Wind Speed | NW 10 mph |
| Barometer | 30.08 in (1019.6 mb) |
| Dewpoint | 8°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 3°F (-16°C) |
| Last update | 17 Jan 8:54 am CST |
Extended Forecast for
4 Miles N Forsyth IL
Today
High: 21 °F
Mostly Cloudy
Tonight
Low: 9 °F
Mostly Cloudy
Sunday
High: 25 °F
Partly Sunny
then Chance
Snow and
BreezySunday Night
Low: 5 °F
Mostly Cloudy
and BlusteryM.L.King Day
High: 14 °F
Sunny and
BlusteryMonday Night
Low: 6 °F
Mostly Clear
Tuesday
High: 29 °F
Mostly Sunny
Tuesday Night
Low: 23 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyWednesday
High: 39 °F
Mostly Cloudy
Detailed Forecast
Today
Mostly cloudy, with a high near 21. Wind chill values between -3 and 6. West wind 16 to 18 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 9. Wind chill values between -3 and 4. West wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday
A 30 percent chance of snow after noon. Partly sunny, with a high near 25. Wind chill values between -5 and 5. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 5. Wind chill values between -4 and -14. Blustery, with a southwest wind 13 to 23 mph becoming west northwest after midnight. Winds could gust as high as 31 mph.
M.L.King Day
Sunny, with a high near 14. Blustery, with a west northwest wind 14 to 23 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 6. West wind 8 to 11 mph, with gusts as high as 17 mph.
Tuesday
Mostly sunny, with a high near 29. Southwest wind 10 to 15 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 23. Breezy.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Partly sunny, with a high near 27.
Thursday Night
Partly cloudy, with a low around 13.
Friday
Partly sunny, with a high near 30.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
8:37 am CST Jan 17, 2026
9am CST Jan 17, 2026-6pm CST Jan 23, 2026
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