Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
52°F
11°C
| Humidity | 86% |
| Wind Speed | Calm |
| Barometer | 30.33 in (1027.2 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 23 Oct 8:54 am CDT |
Extended Forecast for
Blue Mound IL
Today
High: 75 °F
Sunny
Tonight
Low: 47 °F
Mostly Clear
Saturday
High: 74 °F
Mostly Sunny
Saturday Night
Low: 47 °F
Partly Cloudy
Sunday
High: 77 °F
Mostly Sunny
Sunday Night
Low: 47 °F
Partly Cloudy
Monday
High: 76 °F
Partly Sunny
Monday Night
Low: 49 °F
Mostly Cloudy
Tuesday
High: 74 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 75. South southeast wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 47. Southeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 74. South southeast wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 47. South southeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 77. Light south wind.
Sunday Night
Partly cloudy, with a low around 47. Calm wind.
Monday
Partly sunny, with a high near 76. Light south wind.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 74.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 74.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Blue Mound IL
39.69°N 89.12°W (Elev. 614 ft)
39.69°N 89.12°W (Elev. 614 ft)
9:36 am CDT Oct 23, 2026
9am CDT Oct 23, 2026-6pm CDT Oct 29, 2026
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