Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
19°F
-7°C
| Humidity | 59% |
| Wind Speed | W 5 mph |
| Barometer | 30.28 in (1026.2 mb) |
| Dewpoint | 7°F (-14°C) |
| Visibility | 10.00 mi |
| Wind Chill | 12°F (-11°C) |
| Last update | 22 Jan 5:54 am CST |
Extended Forecast for
3 Miles WSW Forsyth IL
Cold Weather Advisory January 23, 03:00am until January 24, 12:00pm
Today
High: 33 °F
Increasing
CloudsTonight
Low: -1 °F
Mostly Cloudy
Friday
High: 6 °F
Mostly Sunny
and Blustery
then Partly
SunnyFriday Night
Low: -1 °F
Mostly Cloudy
Saturday
High: 11 °F
Cloudy then
Snow LikelySaturday Night
Low: 7 °F
Snow
Sunday
High: 15 °F
Chance Snow
Sunday Night
Low: -2 °F
Mostly Cloudy
Monday
High: 15 °F
Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 33. West wind 9 to 15 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around -1. Wind chill values between -5 and -15. West wind 8 to 18 mph becoming north after midnight. Winds could gust as high as 30 mph.
Friday
Partly sunny and cold, with a high near 6. Wind chill values between -11 and -21. Blustery, with a north northwest wind 13 to 20 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around -1. Wind chill values between -11 and -16. Northeast wind 11 to 13 mph, with gusts as high as 18 mph.
Saturday
Snow likely after noon. Cloudy, with a high near 11. East northeast wind around 11 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
Snow. Low around 7. North northeast wind around 11 mph, with gusts as high as 17 mph. Chance of precipitation is 80%.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 15. North wind around 11 mph, with gusts as high as 17 mph.
Sunday Night
Mostly cloudy, with a low around -2.
Monday
Sunny, with a high near 15.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 12.
Wednesday
Partly sunny, with a high near 24.
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)
5:36 am CST Jan 22, 2026
6am CST Jan 22, 2026-6pm CST Jan 28, 2026
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