Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
45°F
7°C
| Humidity | 93% |
| Wind Speed | E 17 mph |
| Barometer | 29.99 in (1015.3 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 38°F (3°C) |
| Last update | 1 Apr 3:54 am CDT |
Extended Forecast for
4 Miles NNE Shelbyville IL
Overnight

Low: 49 °F
Showers
Wednesday

High: 58 °F
Showers
Wednesday Night
Low: 55 °F
Showers
Likely then
Chance
T-stormsThursday
High: 73 °F
Breezy.
Chance
Showers then
ShowersThursday Night

Low: 60 °F
Showers
Likely and
BreezyFriday
High: 77 °F
Chance
T-storms then
Showers
LikelyFriday Night
Low: 55 °F
Showers
Likely then
ShowersSaturday

High: 63 °F
Showers
Saturday Night

Low: 36 °F
Chance
Showers
Detailed Forecast
Overnight
Showers and possibly a thunderstorm. Low around 49. Northeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm. High near 58. Northeast wind around 10 mph, with gusts as high as 17 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 55. East northeast wind 10 to 13 mph becoming south southeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm, mainly after 1pm. High near 73. Breezy, with a south wind 17 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 60. Breezy, with a south southwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 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 chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. South wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 55. South wind 11 to 14 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.
Saturday
Showers, mainly before 1pm. High near 63. Chance of precipitation is 80%.
Saturday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 56.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles NNE Shelbyville IL
39.46°N 88.79°W (Elev. 653 ft)
39.46°N 88.79°W (Elev. 653 ft)
3:21 am CDT Apr 1, 2026
4am CDT Apr 1, 2026-6pm CDT Apr 7, 2026



