Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Light Snow and Breezy
20°F
-7°C
| Humidity | 71% |
| Wind Speed | W 24 G 37 mph |
| Barometer | 30.18 in (1023.0 mb) |
| Dewpoint | 12°F (-11°C) |
| Visibility | 6.00 mi |
| Wind Chill | 3°F (-16°C) |
| Last update | 29 Dec 12:54 pm CST |
Extended Forecast for
2 Miles NNE Decatur Airport IL
This Afternoon
High: 24 °F
Slight Chance
Snow and
BlusteryTonight
Low: 13 °F
Partly Cloudy
and Blustery
then Partly
CloudyTuesday
High: 30 °F
Increasing
CloudsTuesday Night
Low: 25 °F
Mostly Cloudy
Wednesday
High: 35 °F
Mostly Cloudy
Wednesday Night
Low: 18 °F
Decreasing
CloudsNew Year's Day
High: 30 °F
Sunny
Thursday Night
Low: 21 °F
Mostly Cloudy
Friday
High: 38 °F
Partly Sunny
Detailed Forecast
This Afternoon
A 20 percent chance of snow before 4pm. Mostly sunny, with a high near 24. Wind chill values between 4 and 9. Blustery, with a west northwest wind 21 to 25 mph, with gusts as high as 36 mph.
Tonight
Partly cloudy, with a low around 13. Wind chill values between zero and 5. Blustery, with a northwest wind 13 to 21 mph, with gusts as high as 28 mph.
Tuesday
Increasing clouds, with a high near 30. Wind chill values between zero and 10. West southwest wind 11 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 25. West southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, with a high near 35. West wind 10 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 18. West northwest wind 8 to 10 mph becoming north after midnight. Winds could gust as high as 16 mph.
New Year's Day
Sunny, with a high near 30. North wind 5 to 8 mph becoming light and variable in the afternoon.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 41.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles NNE Decatur Airport IL
39.86°N 88.85°W (Elev. 682 ft)
39.86°N 88.85°W (Elev. 682 ft)
12:46 pm CST Dec 29, 2025
1pm CST Dec 29, 2025-6pm CST Jan 4, 2026
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