Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fog/Mist
49°F
9°C
| Humidity | 97% |
| Wind Speed | SE 5 mph |
| Barometer | 29.82 in (1010.1 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 1.75 mi |
| Wind Chill | 47°F (8°C) |
| Last update | 25 Nov 12:54 am CST |
Extended Forecast for
2 Miles S Macon IL
Overnight

Low: 47 °F
Rain and
Patchy FogTuesday

High: 55 °F
Areas Drizzle
and Patchy
FogTuesday Night
Low: 32 °F
Slight Chance
Rain then
Mostly Cloudy
and BreezyWednesday

High: 41 °F
Mostly Sunny
and BreezyWednesday Night

Low: 23 °F
Mostly Clear
Thanksgiving Day

High: 36 °F
Sunny
Thursday Night

Low: 16 °F
Mostly Clear
Friday

High: 34 °F
Mostly Sunny
Friday Night
Low: 25 °F
Chance Snow
then Snow
Likely
Detailed Forecast
Overnight
Rain. Patchy fog. Low around 47. South southeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Areas of drizzle before noon, then a slight chance of rain after 3pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 55. Light and variable wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 32. Breezy, with a west wind 8 to 13 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 31 mph.
Wednesday
Mostly sunny, with a high near 41. Breezy, with a west wind 17 to 24 mph, with gusts as high as 37 mph.
Wednesday Night
Mostly clear, with a low around 23. West northwest wind 10 to 15 mph, with gusts as high as 23 mph.
Thanksgiving Day
Sunny, with a high near 36. West northwest wind 10 to 17 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 16. West northwest wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 34.
Friday Night
Snow likely, mainly after midnight. Cloudy, with a low around 25. Chance of precipitation is 60%.
Saturday
Snow likely before noon, then rain and snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.
Saturday Night
A chance of rain or freezing rain. Cloudy, with a low around 28.
Sunday
A chance of rain. Mostly cloudy, with a high near 41.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 27.
Monday
A chance of rain. Mostly cloudy, with a high near 41.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
2 Miles S Macon IL
39.67°N 89.01°W (Elev. 643 ft)
39.67°N 89.01°W (Elev. 643 ft)
12:36 am CST Nov 25, 2025
1am CST Nov 25, 2025-6pm CST Dec 1, 2025



