Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
59°F
15°C
| Humidity | 64% |
| Wind Speed | S 17 G 26 mph |
| Barometer | 30.05 in (1017.6 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 4 Nov 5:54 pm CST |
Extended Forecast for
Blue Mound IL
Tonight
Low: 50 °F
Decreasing
CloudsWednesday
High: 65 °F
Sunny
Wednesday Night
Low: 34 °F
Mostly Clear
Thursday
High: 61 °F
Sunny
Thursday Night
Low: 49 °F
Mostly Cloudy
then Chance
ShowersFriday
High: 69 °F
Chance Rain
then Mostly
SunnyFriday Night
Low: 39 °F
Mostly Clear
Saturday
High: 62 °F
Mostly Sunny
Saturday Night
Low: 34 °F
Chance Rain
then Mostly
Cloudy
Detailed Forecast
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 50. South southwest wind 14 to 17 mph, with gusts as high as 29 mph.
Wednesday
Sunny, with a high near 65. Southwest wind 11 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 34. North northwest wind 5 to 8 mph becoming calm after midnight.
Thursday
Sunny, with a high near 61. Light east wind becoming south southeast 11 to 16 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 49. South wind 14 to 16 mph, with gusts as high as 22 mph.
Friday
A 40 percent chance of rain before noon. Mostly cloudy, then gradually becoming sunny, with a high near 69. South southwest wind 13 to 16 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Mostly clear, with a low around 39. West wind 5 to 10 mph becoming light northwest after midnight.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 43. Breezy.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Sunny, with a high near 41.
Monday Night
Mostly clear, with a low around 22.
Veterans Day
Mostly sunny, with a high near 49.
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)
6:36 pm CST Nov 4, 2025
6pm CST Nov 4, 2025-6pm CST Nov 11, 2025
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