Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
68°F
20°C
| Humidity | 63% |
| Wind Speed | SE 3 mph |
| Barometer | 29.97 in (1014.3 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 30 Sep 8:54 am CDT |
Extended Forecast for
Blue Mound IL
Today
High: 85 °F
Slight Chance
Showers then
Mostly CloudyTonight
Low: 70 °F
Mostly Cloudy
Thursday
High: 83 °F
Slight Chance
Showers then
Showers
LikelyThursday Night
Low: 62 °F
Showers
Friday
High: 71 °F
Chance
ShowersFriday Night
Low: 51 °F
Mostly Clear
Saturday
High: 71 °F
Sunny
Saturday Night
Low: 49 °F
Partly Cloudy
Sunday
High: 73 °F
Sunny
Detailed Forecast
Today
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 85. South wind around 9 mph, with gusts as high as 17 mph.
Tonight
Mostly cloudy, with a low around 70. South wind 7 to 11 mph, with gusts as high as 17 mph.
Thursday
A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 83. Southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers. Low around 62. Light and variable wind becoming north 5 to 9 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 40 percent chance of showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 71. North northeast wind 11 to 13 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 51. Northeast wind 6 to 9 mph.
Saturday
Sunny, with a high near 71. East northeast wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 69.
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)
8:41 am CDT Sep 30, 2026
9am CDT Sep 30, 2026-6pm CDT Oct 6, 2026
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