Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
76°F
24°C
| Humidity | 74% |
| Wind Speed | S 5 mph |
| Barometer | 29.95 in (1013.8 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 77°F (25°C) |
| Last update | 18 Aug 7:54 pm CDT |
Extended Forecast for
4 Miles E Mount Auburn IL
Tonight
Low: 67 °F
Partly Cloudy
then Slight
Chance
T-stormsWednesday
High: 80 °F
Chance
Showers then
Chance
T-stormsWednesday Night
Low: 63 °F
Chance
T-storms then
Mostly CloudyThursday

High: 81 °F
Mostly Sunny
Thursday Night

Low: 61 °F
Mostly Clear
Friday

High: 83 °F
Sunny
Friday Night

Low: 64 °F
Mostly Clear
Saturday

High: 82 °F
Sunny
Saturday Night

Low: 61 °F
Mostly Clear
Detailed Forecast
Tonight
A slight chance of showers and thunderstorms between 3am and 4am, then a slight chance of showers after 4am. Increasing clouds, with a low around 67. South southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Wednesday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 80. Light and variable wind. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 9pm. Partly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 81. East northeast wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 61. East northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 83. Calm wind becoming west southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 64. Light west southwest wind.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 84.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles E Mount Auburn IL
39.76°N 89.18°W (Elev. 600 ft)
39.76°N 89.18°W (Elev. 600 ft)
7:36 pm CDT Aug 18, 2026
8pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026



