Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
50°F
10°C
| Humidity | 66% |
| Wind Speed | S 14 mph |
| Barometer | 29.98 in (1015.4 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 16 Feb 8:54 pm CST |
Extended Forecast for
4 Miles N Forsyth IL
Tonight

Low: 40 °F
Partly Cloudy
Tuesday

High: 60 °F
Mostly Cloudy
Tuesday Night
Low: 53 °F
Breezy.
Cloudy then
Chance RainWednesday

High: 68 °F
Sunny and
BreezyWednesday Night

Low: 44 °F
Increasing
CloudsThursday
High: 67 °F
Partly Sunny
then Rain
LikelyThursday Night
Low: 35 °F
Chance Rain
then Mostly
Clear and
BreezyFriday

High: 47 °F
Partly Sunny
and BreezyFriday Night

Low: 27 °F
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 40. South wind around 9 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 60. South wind 8 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
A 50 percent chance of rain after midnight. Cloudy, then gradually becoming partly cloudy, with a low around 53. Breezy, with a south wind 18 to 23 mph, with gusts as high as 32 mph.
Wednesday
Sunny, with a high near 68. Breezy, with a west southwest wind 13 to 21 mph, with gusts as high as 30 mph.
Wednesday Night
Increasing clouds, with a low around 44. Southwest wind 8 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Thursday
Rain likely after noon. Partly sunny, with a high near 67. South southeast wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 50 percent chance of rain before midnight. Partly cloudy, with a low around 35. Breezy, with a south wind 14 to 20 mph becoming west after midnight. Winds could gust as high as 26 mph.
Friday
Partly sunny, with a high near 47. Breezy.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 38.
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)
8:36 pm CST Feb 16, 2026
8pm CST Feb 16, 2026-6pm CST Feb 23, 2026


