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Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
74°F
23°C
| Humidity | 33% |
| Wind Speed | SE 6 mph |
| Barometer | 30.03 in (1016.7 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 6 Oct 2:54 pm CDT |
Extended Forecast for
Clinton IL
This Afternoon
High: 78 °F
Sunny
Tonight
Low: 55 °F
Clear
Wednesday
High: 83 °F
Sunny
Wednesday Night
Low: 52 °F
Mostly Clear
Thursday
High: 76 °F
Sunny
Thursday Night
Low: 49 °F
Mostly Clear
Friday
High: 79 °F
Sunny
Friday Night
Low: 56 °F
Mostly Clear
Saturday
High: 86 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 78. South southwest wind around 13 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 55. South wind around 9 mph, with gusts as high as 16 mph.
Wednesday
Sunny, with a high near 83. Southwest wind 8 to 13 mph becoming west northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 52. North northwest wind 3 to 8 mph.
Thursday
Sunny, with a high near 76. North northwest wind 5 to 9 mph.
Thursday Night
Mostly clear, with a low around 49. North wind 5 to 7 mph becoming light and variable.
Friday
Sunny, with a high near 79. South southeast wind 6 to 13 mph, with gusts as high as 16 mph.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
A chance of showers. Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 57.
Columbus Day
Mostly sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Clinton IL
40.13°N 88.95°W (Elev. 741 ft)
40.13°N 88.95°W (Elev. 741 ft)
3:36 pm CDT Oct 6, 2026
3pm CDT Oct 6, 2026-6pm CDT Oct 12, 2026
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