Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fog/Mist
71°F
22°C
| Humidity | 94% |
| Wind Speed | S 9 mph |
| Barometer | 29.72 in (1005.8 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 4.00 mi |
| Last update | 1 Aug 12:54 am CDT |
Extended Forecast for
Macon IL
Overnight

Low: 68 °F
Showers
LikelySaturday
High: 75 °F
Chance
Showers then
Showers
LikelySaturday Night

Low: 66 °F
Showers
Sunday

High: 78 °F
Partly Sunny
Sunday Night

Low: 62 °F
Partly Cloudy
Monday

High: 80 °F
Mostly Sunny
Monday Night

Low: 62 °F
Mostly Clear
Tuesday

High: 82 °F
Sunny
Tuesday Night

Low: 63 °F
Mostly Clear
Detailed Forecast
Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Cloudy, with a low around 68. South southeast wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Southwest wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 66. North wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Partly sunny, with a high near 78. North wind around 16 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 62. North wind 7 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 80. North northeast wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 62. East northeast wind 3 to 7 mph.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 84.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 66.
Thursday
A chance of showers. Partly sunny, with a high near 83.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Friday
A chance of showers. Mostly sunny, with a high near 85.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Macon IL
39.71°N 89.01°W (Elev. 699 ft)
39.71°N 89.01°W (Elev. 699 ft)
1:26 am CDT Aug 1, 2026
1am CDT Aug 1, 2026-6pm CDT Aug 7, 2026



