Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Light Rain and Breezy
62°F
17°C
| Humidity | 86% |
| Wind Speed | SW 23 G 43 mph |
| Barometer | 29.52 in (999.4 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 8.00 mi |
| Last update | 8 Jan 8:54 pm CST |
Extended Forecast for
5 Miles SE Macon IL
Tonight
Low: 43 °F
Breezy. Rain
then Chance
RainFriday
High: 50 °F
Mostly Cloudy
and Breezy
then Partly
SunnyFriday Night

Low: 36 °F
Mostly Cloudy
Saturday
High: 42 °F
Chance Rain
then Mostly
SunnySaturday Night

Low: 20 °F
Mostly Cloudy
Sunday

High: 31 °F
Mostly Sunny
Sunday Night

Low: 22 °F
Mostly Clear
Monday

High: 43 °F
Sunny
Monday Night

Low: 32 °F
Partly Cloudy
Detailed Forecast
Tonight
Rain and thunderstorms before 3am, then a slight chance of rain between 3am and 5am. Low around 43. Breezy, with a south southwest wind 20 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Mostly cloudy, with a high near 50. Breezy, with a west wind 15 to 20 mph becoming north northwest 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 36. East northeast wind 3 to 5 mph.
Saturday
A 30 percent chance of rain before noon. Partly sunny, with a high near 42. West northwest wind 6 to 16 mph, with gusts as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 20. West northwest wind 14 to 18 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 31. West northwest wind 8 to 18 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 22. West wind 6 to 9 mph becoming south southwest after midnight. Winds could gust as high as 16 mph.
Monday
Sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 32.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles SE Macon IL
39.66°N 88.95°W (Elev. 650 ft)
39.66°N 88.95°W (Elev. 650 ft)
8:38 pm CST Jan 8, 2026
9pm CST Jan 8, 2026-6pm CST Jan 15, 2026



