


Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
A Few Clouds
76°F
24°C
Humidity | 62% |
Wind Speed | SW 14 G 24 mph |
Barometer | 29.76 in (1007.4 mb) |
Dewpoint | 62°F (17°C) |
Visibility | 10.00 mi |
Heat Index | 78°F (26°C) |
Last update | 18 Oct 11:54 am CDT |
Extended Forecast for
6 Miles NNW Shelbyville IL
This Afternoon
High: 76 °F
Showers
Tonight
Low: 47 °F
Heavy Rain
Sunday
High: 60 °F
Breezy.
Showers
Likely then
Slight Chance
ShowersSunday Night
Low: 38 °F
Clear
Monday
High: 67 °F
Sunny
Monday Night
Low: 45 °F
Mostly Clear
Tuesday
High: 59 °F
Sunny
Tuesday Night
Low: 36 °F
Clear
Wednesday
High: 61 °F
Sunny
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 76. South wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 47. South southwest wind 7 to 17 mph becoming west northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Showers likely, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 60. Breezy, with a west northwest wind 21 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Clear, with a low around 38. West wind 3 to 8 mph.
Monday
Sunny, with a high near 67. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Monday Night
Mostly clear, with a low around 45. South wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 59. West wind 10 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Clear, with a low around 36.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
A chance of showers. Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 67.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
6 Miles NNW Shelbyville IL
39.49°N 88.88°W (Elev. 676 ft)
39.49°N 88.88°W (Elev. 676 ft)
11:56 am CDT Oct 18, 2025
12pm CDT Oct 18, 2025-6pm CDT Oct 24, 2025