Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
52°F
11°C
| Humidity | 41% |
| Wind Speed | E 17 G 26 mph |
| Barometer | 30.02 in (1016.8 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 47°F (8°C) |
| Last update | 14 Mar 2:54 pm CDT |
Extended Forecast for
3 Miles NNE Shelbyville IL
Wind Advisory March 15, 10:00am until March 16, 07:00am
This Afternoon

High: 54 °F
Mostly Sunny
Tonight

Low: 46 °F
Increasing
CloudsSunday
High: 63 °F
Breezy.
Chance
Showers then
Showers
LikelySunday Night

Low: 20 °F
Rain/Snow and
Patchy
Blowing SnowMonday

High: 24 °F
Chance Snow
and BlusteryMonday Night

Low: 10 °F
Mostly Cloudy
Tuesday

High: 30 °F
Mostly Sunny
Tuesday Night

Low: 24 °F
Chance Snow
Wednesday

High: 56 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 54. East southeast wind around 13 mph, with gusts as high as 22 mph.
Tonight
Increasing clouds, with a low around 46. East southeast wind 10 to 14 mph, with gusts as high as 25 mph.
Sunday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 63. Breezy, with a south wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain showers before 11pm, then rain and snow showers between 11pm and 1am, then a chance of snow after 1am. Patchy blowing snow after 1am. Low around 20. Blustery, with a west southwest wind 21 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 24. Blustery, with a west northwest wind 22 to 25 mph, with gusts as high as 41 mph.
Monday Night
Mostly cloudy, with a low around 10. West northwest wind 13 to 17 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 30. West northwest wind 7 to 9 mph, with gusts as high as 16 mph.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Sunny, with a high near 67.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
3 Miles NNE Shelbyville IL
39.44°N 88.79°W (Elev. 673 ft)
39.44°N 88.79°W (Elev. 673 ft)
2:16 pm CDT Mar 14, 2026
3pm CDT Mar 14, 2026-6pm CDT Mar 20, 2026



