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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
A Few Clouds
78°F
26°C
| Humidity | 45% |
| Wind Speed | NW 7 mph |
| Barometer | 29.98 in (1014.6 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 20 Jun 3:54 pm CDT |
Extended Forecast for
2 Miles NE Blue Mound IL
Flood Watch June 21, 07:00am until June 22, 01:00am
Tonight
Low: 61 °F
Increasing
CloudsSunday
High: 76 °F
Heavy Rain
Sunday Night
Low: 61 °F
Heavy Rain
then Chance
ShowersMonday
High: 74 °F
Mostly Cloudy
Monday Night
Low: 55 °F
Partly Cloudy
Tuesday
High: 77 °F
Sunny
Tuesday Night
Low: 58 °F
Mostly Clear
Wednesday
High: 79 °F
Mostly Sunny
Wednesday Night
Low: 58 °F
Mostly Clear
Detailed Forecast
Tonight
Increasing clouds, with a low around 61. Northwest wind 5 to 7 mph becoming calm.
Sunday
Showers and thunderstorms, mainly after 9am. Some of the storms could produce heavy rainfall. High near 76. East southeast wind 8 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could produce heavy rainfall. Low around 61. South southeast wind 10 to 17 mph becoming north northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Mostly cloudy, with a high near 74. North wind around 14 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 55. North northeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 77. North northeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 58. Light and variable wind.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Saturday
A chance of showers. Mostly sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles NE Blue Mound IL
39.71°N 89.09°W (Elev. 610 ft)
39.71°N 89.09°W (Elev. 610 ft)
1:26 pm CDT Jun 20, 2026
4pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026
Additional Resources
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