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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
38°F
3°C
| Humidity | 83% |
| Wind Speed | SW 5 mph |
| Barometer | 30.51 in (1033.7 mb) |
| Dewpoint | 33°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 34°F (1°C) |
| Last update | 18 Oct 7:54 am CDT |
Extended Forecast for
Latham IL
Today
High: 68 °F
Patchy Frost
then SunnyTonight
Low: 39 °F
Clear
Monday
High: 71 °F
Sunny
Monday Night
Low: 39 °F
Mostly Clear
Tuesday
High: 73 °F
Sunny
Tuesday Night
Low: 43 °F
Mostly Clear
Wednesday
High: 76 °F
Sunny
Wednesday Night
Low: 46 °F
Clear
Thursday
High: 79 °F
Sunny
Detailed Forecast
Today
Patchy frost before 9am. Otherwise, sunny, with a high near 68. South wind 8 to 11 mph, with gusts as high as 16 mph.
Tonight
Clear, with a low around 39. South southeast wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 71. Light south southeast wind.
Monday Night
Mostly clear, with a low around 39. Calm wind.
Tuesday
Sunny, with a high near 73. Light east wind.
Tuesday Night
Mostly clear, with a low around 43. Light east wind.
Wednesday
Sunny, with a high near 76. Calm wind.
Wednesday Night
Clear, with a low around 46.
Thursday
Sunny, with a high near 79.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Latham IL
39.98°N 89.16°W (Elev. 614 ft)
39.98°N 89.16°W (Elev. 614 ft)
7:36 am CDT Oct 18, 2026
8am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
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