Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
59°F
15°C
| Humidity | 78% |
| Wind Speed | Calm |
| Barometer | 30.11 in (1019.1 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 10 Sep 3:54 am CDT |
Extended Forecast for
3 Miles SW Harristown IL
Today
High: 84 °F
Sunny
Tonight
Low: 59 °F
Mostly Clear
Thursday
High: 87 °F
Sunny
Thursday Night
Low: 59 °F
Clear
Friday
High: 90 °F
Sunny
Friday Night
Low: 64 °F
Partly Cloudy
Saturday
High: 93 °F
Mostly Sunny
Saturday Night
Low: 65 °F
Partly Cloudy
Sunday
High: 94 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 84. Light and variable wind becoming east southeast around 5 mph.
Tonight
Mostly clear, with a low around 59. Light east wind.
Thursday
Sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 59. East southeast wind around 5 mph.
Friday
Sunny, with a high near 90. South southeast wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 64. South southeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 93. South southwest wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 91.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SW Harristown IL
39.8°N 89.12°W (Elev. 594 ft)
39.8°N 89.12°W (Elev. 594 ft)
4:39 am CDT Sep 10, 2025
4am CDT Sep 10, 2025-6pm CDT Sep 16, 2025
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