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Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fog/Mist
35°F
2°C
| Humidity | 96% |
| Wind Speed | SW 9 mph |
| Barometer | 29.94 in (1014.7 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 3.00 mi |
| Wind Chill | 28°F (-2°C) |
| Last update | 7 Dec 5:54 am CST |
Extended Forecast for
2 Miles WNW Decatur IL
Today
High: 34 °F
Slight Chance
Rain and
Areas Fog
then CloudyTonight
Low: 16 °F
Mostly Cloudy
Monday
High: 28 °F
Decreasing
CloudsMonday Night
Low: 18 °F
Mostly Cloudy
Tuesday
High: 43 °F
Partly Sunny
Tuesday Night
Low: 37 °F
Mostly Cloudy
then Chance
Rain and
BreezyWednesday
High: 42 °F
Mostly Cloudy
and Breezy
then Mostly
CloudyWednesday Night
Low: 24 °F
Mostly Cloudy
Thursday
High: 30 °F
Chance Snow
Detailed Forecast
Today
A 20 percent chance of rain before 9am. Areas of fog before noon. Otherwise, cloudy, with a high near 34. South wind 5 to 14 mph becoming north in the morning. Winds could gust as high as 25 mph.
Tonight
Mostly cloudy, with a low around 16. North wind 7 to 13 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 28. Northeast wind around 6 mph becoming light and variable in the afternoon.
Monday Night
Mostly cloudy, with a low around 18. South wind 5 to 10 mph increasing to 11 to 16 mph after midnight. Winds could gust as high as 23 mph.
Tuesday
Partly sunny, with a high near 43. Southwest wind 13 to 16 mph, with gusts as high as 23 mph.
Tuesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 37. Breezy, with a southwest wind 15 to 22 mph, with gusts as high as 29 mph.
Wednesday
Mostly cloudy, with a high near 42. Breezy, with a west northwest wind 13 to 21 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 30.
Thursday Night
Mostly cloudy, with a low around 12.
Friday
Partly sunny, with a high near 20.
Friday Night
Mostly cloudy, with a low around 3.
Saturday
Partly sunny, with a high near 14.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles WNW Decatur IL
39.86°N 88.97°W (Elev. 676 ft)
39.86°N 88.97°W (Elev. 676 ft)
4:57 am CST Dec 7, 2025
6am CST Dec 7, 2025-6pm CST Dec 13, 2025
Additional Resources
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