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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Mostly Cloudy
75°F
24°C
| Humidity | 54% |
| Wind Speed | NW 9 mph |
| Barometer | 30.02 in (1016.0 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 20 Jun 10:54 am CDT |
Extended Forecast for
3 Miles N Blue Mound IL
Flood Watch June 21, 07:00am until June 22, 01:00am
Today
High: 80 °F
Sunny
Tonight
Low: 61 °F
Partly Cloudy
Sunday
High: 75 °F
Heavy Rain
Sunday Night
Low: 60 °F
Heavy Rain
Monday
High: 75 °F
Partly Sunny
Monday Night
Low: 55 °F
Mostly Clear
Tuesday
High: 77 °F
Sunny
Tuesday Night
Low: 58 °F
Mostly Clear
Wednesday
High: 79 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 80. West northwest wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 61. Calm wind becoming east around 6 mph after midnight.
Sunday
Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 75. East southeast wind 9 to 17 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 60. South southwest wind 11 to 17 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Partly sunny, with a high near 75. North wind around 14 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 55. North northeast wind 5 to 9 mph.
Tuesday
Sunny, with a high near 77. North northeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles N Blue Mound IL
39.74°N 89.12°W (Elev. 600 ft)
39.74°N 89.12°W (Elev. 600 ft)
8:36 am CDT Jun 20, 2026
11am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
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