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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
92°F
33°C
Humidity | 62% |
Wind Speed | SW 9 mph |
Barometer | 30.09 in (1018.0 mb) |
Dewpoint | 77°F (25°C) |
Visibility | 10.00 mi |
Heat Index | 106°F (41°C) |
Last update | 16 Aug 11:54 am CDT |
Extended Forecast for
Blue Mound IL
Heat Advisory until August 17, 08:00pm
NOW until 8:00pm Sun
Heat Advisory
This Afternoon
High: 95 °F
Slight Chance
T-stormsTonight
Low: 73 °F
Slight Chance
T-storms then
Mostly ClearSunday
High: 95 °F
Mostly Sunny
then Slight
Chance
T-stormsSunday Night
Low: 74 °F
Mostly Clear
Monday
High: 96 °F
Hot
Monday Night
Low: 73 °F
Mostly Clear
Tuesday
High: 94 °F
Mostly Sunny
Tuesday Night
Low: 70 °F
Chance
T-storms
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 95. Heat index values as high as 109. Southwest wind around 8 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. South wind 5 to 7 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 106. Light south southeast wind.
Sunday Night
Mostly clear, with a low around 74. Light southeast wind.
Monday
Sunny and hot, with a high near 96. South southwest wind around 6 mph.
Monday Night
Mostly clear, with a low around 73. South wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 94. West wind 5 to 7 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.
Wednesday
Partly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 86.
Additional Forecasts and Information
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ABOUT 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)
12:41 pm CDT Aug 16, 2025
12pm CDT Aug 16, 2025-6pm CDT Aug 22, 2025