Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fog/Mist
60°F
16°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 30.14 in (1020.3 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 5.00 mi |
| Last update | 28 Aug 6:54 am CDT |
Extended Forecast for
Dalton City IL
Today
High: 83 °F
Patchy Fog
then SunnyTonight

Low: 60 °F
Mostly Clear
Saturday

High: 86 °F
Increasing
CloudsSaturday Night

Low: 65 °F
Partly Cloudy
Sunday

High: 91 °F
Sunny
Sunday Night

Low: 71 °F
Mostly Clear
Monday

High: 95 °F
Hot
Monday Night

Low: 73 °F
Mostly Clear
Tuesday

High: 97 °F
Hot
Detailed Forecast
Today
Patchy fog before 8am. Otherwise, sunny, with a high near 83. Calm wind becoming north northeast around 5 mph.
Tonight
Mostly clear, with a low around 60. Southeast wind 3 to 5 mph.
Saturday
Increasing clouds, with a high near 86. South wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 65. South wind 6 to 8 mph.
Sunday
Sunny, with a high near 91. South southwest wind 9 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 71. South wind around 10 mph, with gusts as high as 17 mph.
Monday
Sunny and hot, with a high near 95. South southwest wind 11 to 13 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny and hot, with a high near 98.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Dalton City IL
39.73°N 88.8°W (Elev. 689 ft)
39.73°N 88.8°W (Elev. 689 ft)
6:36 am CDT Aug 28, 2026
7am CDT Aug 28, 2026-6pm CDT Sep 3, 2026


