Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Light Snow Fog/Mist
33°F
1°C
| Humidity | 92% |
| Wind Speed | NW 16 mph |
| Barometer | 30.10 in (1019.8 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 2.00 mi |
| Wind Chill | 23°F (-5°C) |
| Last update | 10 Jan 7:54 pm CST |
Extended Forecast for
6 Miles NNW Shelbyville IL
Tonight
Low: 24 °F
Rain/Snow
Likely then
Slight Chance
Snow and
BlusterySunday
High: 34 °F
Mostly Sunny
and Breezy
then SunnySunday Night

Low: 24 °F
Mostly Clear
Monday

High: 44 °F
Mostly Sunny
Monday Night

Low: 32 °F
Partly Cloudy
Tuesday

High: 52 °F
Partly Sunny
Tuesday Night

Low: 33 °F
Mostly Cloudy
Wednesday

High: 38 °F
Mostly Cloudy
Wednesday Night

Low: 17 °F
Partly Cloudy
Detailed Forecast
Tonight
Rain and snow likely before 2am, then a slight chance of snow between 2am and 5am. Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Blustery, with a west northwest wind 13 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Sunny, with a high near 34. Breezy, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Mostly clear, with a low around 24. Southwest wind 5 to 9 mph, with gusts as high as 16 mph.
Monday
Mostly sunny, with a high near 44. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 32. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 52. West southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 33. West wind 8 to 10 mph, with gusts as high as 17 mph.
Wednesday
Mostly cloudy, with a high near 38.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Mostly cloudy, with a high near 37.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 29.
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)
6:42 pm CST Jan 10, 2026
8pm CST Jan 10, 2026-6pm CST Jan 17, 2026



