Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
32°F
0°C
| Humidity | 61% |
| Wind Speed | SW 14 mph |
| Barometer | 30.26 in (1025.5 mb) |
| Dewpoint | 20°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 12 Jan 8:54 am CST |
Extended Forecast for
4 Miles NNE Shelbyville IL
Today
High: 47 °F
Mostly Sunny
Tonight
Low: 32 °F
Mostly Clear
Tuesday
High: 54 °F
Increasing
CloudsTuesday Night
Low: 35 °F
Mostly Cloudy
Wednesday
High: 39 °F⇓
Mostly Cloudy
then Chance
Rain/Snow and
BreezyWednesday Night
Low: 15 °F
Mostly Cloudy
and Blustery
then Partly
CloudyThursday
High: 27 °F
Mostly Sunny
Thursday Night
Low: 21 °F
Mostly Cloudy
Friday
High: 37 °F
Partly Sunny
then Chance
Snow Showers
Detailed Forecast
Today
Mostly sunny, with a high near 47. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 32. South southwest wind 6 to 10 mph, with gusts as high as 17 mph.
Tuesday
Increasing clouds, with a high near 54. West southwest wind 10 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 35. West southwest wind 9 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Wednesday
A chance of rain showers between noon and 3pm, then a chance of snow showers after 3pm. Mostly cloudy, with a temperature falling to around 29 by 5pm. Breezy, with a north northwest wind 11 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 15. Blustery, with a north northwest wind 14 to 20 mph, with gusts as high as 32 mph.
Thursday
Mostly sunny, with a high near 27. North northwest wind 5 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
A 30 percent chance of snow showers after noon. Mostly cloudy, with a high near 37.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Partly sunny, with a high near 24.
Saturday Night
Mostly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 21.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
9:12 am CST Jan 12, 2026
9am CST Jan 12, 2026-6pm CST Jan 18, 2026
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