Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
21°F
-6°C
| Humidity | 65% |
| Wind Speed | SW 7 mph |
| Barometer | 29.95 in (1015.3 mb) |
| Dewpoint | 11°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 12°F (-11°C) |
| Last update | 18 Jan 8:54 pm CST |
Extended Forecast for
3 Miles WSW Forsyth IL
Cold Weather Advisory January 19, 03:00am until January 19, 12:00pm
Tonight
Low: 4 °F
Mostly Cloudy
then Mostly
Cloudy and
BlusteryM.L.King Day
High: 13 °F
Mostly Sunny
and BlusteryMonday Night
Low: 7 °F
Partly Cloudy
Tuesday
High: 28 °F
Mostly Sunny
Tuesday Night
Low: 24 °F⇑
Mostly Cloudy
Wednesday
High: 39 °F
Decreasing
CloudsWednesday Night
Low: 17 °F
Partly Cloudy
Thursday
High: 28 °F
Mostly Sunny
Thursday Night
Low: 16 °F
Partly Cloudy
Detailed Forecast
Tonight
A chance of flurries before 10pm. Mostly cloudy, with a low around 4. Wind chill values between -4 and -14. Blustery, with a southwest wind 11 to 16 mph becoming west northwest 19 to 24 mph after midnight. Winds could gust as high as 37 mph.
M.L.King Day
Mostly sunny, with a high near 13. Wind chill values between -7 and -17. Blustery, with a west northwest wind 13 to 23 mph, with gusts as high as 34 mph.
Monday Night
Partly cloudy, with a low around 7. Wind chill values between -1 and -6. West southwest wind 6 to 11 mph, with gusts as high as 16 mph.
Tuesday
Mostly sunny, with a high near 28. Wind chill values between -2 and 8. Southwest wind 7 to 11 mph, with gusts as high as 16 mph.
Tuesday Night
Mostly cloudy, with a temperature rising to around 30 by 5am. South wind 8 to 18 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 39. Southwest wind 11 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 17. West northwest wind around 11 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly cloudy, with a high near 29.
Friday Night
A chance of snow. Mostly cloudy, with a low around 9.
Saturday
A chance of snow. Mostly cloudy, with a high near 19.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 1.
Sunday
Partly sunny, with a high near 14.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
8:32 pm CST Jan 18, 2026
9pm CST Jan 18, 2026-6pm CST Jan 25, 2026
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