Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Thunderstorm Light Rain
72°F
22°C
| Humidity | 94% |
| Wind Speed | SW 10 mph |
| Barometer | 30.11 in (1019.1 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 14 Aug 9:54 am CDT |
Extended Forecast for
Blue Mound IL
Flood Watch August 14, 10:00am until August 14, 04:00pm
NOW until 4:00pm Fri
Flood Watch
Today
High: 90 °F
Showers
LikelyTonight
Low: 74 °F
Partly Cloudy
then Chance
ShowersSaturday
High: 92 °F
Chance
Showers then
Mostly SunnySaturday Night
Low: 74 °F
Partly Cloudy
Sunday
High: 90 °F
Partly Sunny
then Chance
T-stormsSunday Night
Low: 69 °F
Chance
T-stormsMonday
High: 83 °F
Mostly Sunny
Monday Night
Low: 63 °F
Partly Cloudy
Detailed Forecast
Today
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers between 1pm and 2pm. Mostly cloudy, with a high near 90. Heat index values as high as 103. Southeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 4am. Partly cloudy, with a low around 74. East southeast wind 6 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers between 11am and noon. Partly sunny, with a high near 92. Heat index values as high as 106. Southeast wind 6 to 10 mph becoming west southwest in the morning. Winds could gust as high as 16 mph.
Saturday Night
Partly cloudy, with a low around 74. Southwest wind 5 to 7 mph.
Sunday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. West northwest wind 6 to 9 mph. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. North northwest wind 5 to 9 mph.
Monday
Mostly sunny, with a high near 83. North wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 82.
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)
9:37 am CDT Aug 14, 2026
10am CDT Aug 14, 2026-6pm CDT Aug 20, 2026
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