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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
65°F
18°C
| Humidity | 84% |
| Wind Speed | E 9 mph |
| Barometer | 30.06 in (1017.4 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 15 Oct 6:54 am CDT |
Extended Forecast for
4 Miles N Shelbyville IL
Today
High: 77 °F
Showers
Tonight
Low: 46 °F
Showers
LikelyFriday
High: 56 °F
Partly Sunny
then Chance
ShowersFriday Night
Low: 36 °F
Decreasing
CloudsSaturday
High: 59 °F
Areas Frost
then SunnySaturday Night
Low: 34 °F
Clear then
Areas FrostSunday
High: 68 °F
Frost then
SunnySunday Night
Low: 37 °F
Mostly Clear
Monday
High: 73 °F
Mostly Sunny
Detailed Forecast
Today
Showers and possibly a thunderstorm. High near 77. East wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 4am. Mostly cloudy, with a low around 46. Southwest wind 10 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers, mainly after 5pm. Partly sunny, with a high near 56. Northwest wind around 18 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. North wind 10 to 14 mph, with gusts as high as 22 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 59. North wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night
Areas of frost after 3am. Otherwise, clear, with a low around 34. Light and variable wind.
Sunday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 68. South wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 37.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles N Shelbyville IL
39.46°N 88.82°W (Elev. 686 ft)
39.46°N 88.82°W (Elev. 686 ft)
6:31 am CDT Oct 15, 2026
7am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
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