Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
38°F
3°C
| Humidity | 100% |
| Wind Speed | SW 7 mph |
| Barometer | 30.02 in (1016.7 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 8.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 16 Feb 1:54 am CST |
Extended Forecast for
Forsyth IL
Overnight
Low: 36 °F
Patchy Fog
Washington's Birthday
High: 61 °F
Patchy Fog
then Partly
SunnyMonday Night
Low: 40 °F
Partly Cloudy
Tuesday
High: 59 °F
Mostly Cloudy
then Cloudy
and BreezyTuesday Night
Low: 55 °F
Breezy.
Mostly Cloudy
then Chance
RainWednesday
High: 68 °F
Sunny and
BreezyWednesday Night
Low: 43 °F
Partly Cloudy
Thursday
High: 67 °F
Mostly Sunny
then Chance
RainThursday Night
Low: 36 °F
Chance Rain
then Mostly
Clear
Detailed Forecast
Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 36. South southwest wind around 7 mph.
Washington's Birthday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 61. South southwest wind 7 to 16 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 40. South wind around 9 mph, with gusts as high as 17 mph.
Tuesday
Mostly cloudy, with a high near 59. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust 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 55. Breezy, with a south wind 20 to 24 mph, with gusts as high as 32 mph.
Wednesday
Sunny, with a high near 68. Breezy, with a west southwest wind 13 to 22 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 43. West southwest wind 8 to 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.
Thursday
A 50 percent chance of rain after noon. Mostly sunny, with a high near 67.
Thursday Night
A 40 percent chance of rain before midnight. Partly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 48. Breezy.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Partly sunny, with a high near 44.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 37.
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)
1:46 am CST Feb 16, 2026
2am CST Feb 16, 2026-6pm CST Feb 22, 2026
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