Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast and Breezy
26°F
-3°C
| Humidity | 75% |
| Wind Speed | NW 22 G 38 mph |
| Barometer | 30.20 in (1023.6 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 12°F (-11°C) |
| Last update | 10 Nov 5:54 am CST |
Extended Forecast for
Decatur IL
Today
High: 37 °F
Chance
Flurries and
Breezy then
SunnyTonight

Low: 23 °F
Increasing
CloudsVeterans Day

High: 49 °F
Decreasing
CloudsTuesday Night

Low: 36 °F
Mostly Clear
Wednesday

High: 58 °F
Sunny
Wednesday Night

Low: 33 °F
Partly Cloudy
Thursday

High: 59 °F
Partly Sunny
Thursday Night

Low: 45 °F
Partly Cloudy
Friday

High: 69 °F
Partly Sunny
Detailed Forecast
Today
A chance of flurries before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 37. Breezy, with a north northwest wind 11 to 20 mph, with gusts as high as 31 mph.
Tonight
Increasing clouds, with a low around 23. West northwest wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 17 mph.
Veterans Day
Cloudy, then gradually becoming mostly sunny, with a high near 49. South southwest wind 10 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 36. West wind 9 to 14 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 58. West northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 33. West northwest wind 5 to 8 mph becoming calm after midnight.
Thursday
Partly sunny, with a high near 59. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Partly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 53.
Sunday
A chance of rain. Partly sunny, with a high near 63.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Decatur IL
39.84°N 88.94°W (Elev. 692 ft)
39.84°N 88.94°W (Elev. 692 ft)
5:11 am CST Nov 10, 2025
6am CST Nov 10, 2025-6pm CST Nov 16, 2025



