Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
47°F
8°C
| Humidity | 74% |
| Wind Speed | S 12 mph |
| Barometer | 29.98 in (1015.1 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 17 Feb 12:54 am CST |
Extended Forecast for
Forsyth IL
Overnight
Low: 40 °F
Partly Cloudy
Tuesday
High: 60 °F
Mostly Cloudy
then Slight
Chance
ShowersTuesday Night
Low: 52 °F
Chance
Showers and
BreezyWednesday
High: 67 °F
Sunny and
BreezyWednesday Night
Low: 45 °F
Increasing
CloudsThursday
High: 67 °F
Mostly Cloudy
then Chance
T-stormsThursday Night
Low: 34 °F
Chance
Showers then
Mostly Clear
and BreezyFriday
High: 45 °F
Sunny and
BreezyFriday Night
Low: 26 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 40. South wind around 9 mph, with gusts as high as 17 mph.
Tuesday
A 20 percent chance of showers after 5pm. Cloudy, with a high near 60. South wind 8 to 18 mph, with gusts as high as 37 mph.
Tuesday Night
A 40 percent chance of showers, mainly between 9pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 52. Breezy, with a south wind 18 to 22 mph, with gusts as high as 41 mph.
Wednesday
Sunny, with a high near 67. Breezy, with a west southwest wind 16 to 21 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
Increasing clouds, with a low around 45. Southwest wind around 8 mph becoming south southeast after midnight.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. South southeast wind 9 to 18 mph, with gusts as high as 25 mph.
Thursday Night
A 40 percent chance of showers before midnight. Mostly clear, with a low around 34. Breezy, with a south wind 14 to 21 mph becoming west after midnight. Winds could gust as high as 28 mph.
Friday
Sunny, with a high near 45. Breezy.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 36.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Forsyth IL
39.93°N 88.96°W (Elev. 650 ft)
39.93°N 88.96°W (Elev. 650 ft)
1:31 am CST Feb 17, 2026
1am CST Feb 17, 2026-6pm CST Feb 23, 2026
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