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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
54°F
12°C
| Humidity | 49% |
| Wind Speed | E 6 mph |
| Barometer | 30.52 in (1033.6 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 52°F (11°C) |
| Last update | 17 Oct 1:54 pm CDT |
Extended Forecast for
2 Miles NNE Decatur Airport IL
Frost Advisory October 18, 01:00am until October 18, 09:00am
This Afternoon
High: 59 °F
Sunny
Tonight
Low: 34 °F
Clear then
Areas FrostSunday
High: 67 °F
Areas Frost
then SunnySunday Night
Low: 36 °F
Clear
Monday
High: 72 °F
Sunny
Monday Night
Low: 39 °F
Mostly Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 42 °F
Mostly Clear
Wednesday
High: 77 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 59. Calm wind.
Tonight
Areas of frost after 3am. Otherwise, clear, with a low around 34. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 67. South wind 6 to 10 mph.
Sunday Night
Clear, with a low around 36. South southeast wind 3 to 6 mph.
Monday
Sunny, with a high near 72. Light south southeast wind.
Monday Night
Mostly clear, with a low around 39. Calm wind.
Tuesday
Sunny, with a high near 74. Light east wind.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 76.
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)
1:26 pm CDT Oct 17, 2026
2pm CDT Oct 17, 2026-6pm CDT Oct 23, 2026
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