Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
60°F
16°C
| Humidity | 90% |
| Wind Speed | Calm |
| Barometer | 30.14 in (1020.3 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 29 Aug 4:54 am CDT |
Extended Forecast for
Stonington IL
Today
High: 86 °F
Mostly Sunny
Tonight
Low: 67 °F
Partly Cloudy
Sunday
High: 91 °F
Mostly Cloudy
Sunday Night
Low: 71 °F
Mostly Clear
Monday
High: 96 °F
Hot
Monday Night
Low: 75 °F
Mostly Clear
Tuesday
High: 99 °F
Hot
Tuesday Night
Low: 76 °F
Mostly Clear
Wednesday
High: 99 °F
Hot
Detailed Forecast
Today
Mostly sunny, with a high near 86. Light southeast wind becoming south 5 to 9 mph in the morning.
Tonight
Partly cloudy, with a low around 67. South southeast wind 6 to 8 mph, with gusts as high as 15 mph.
Sunday
Sunny through mid morning, then becoming mostly cloudy, with a high near 91. South southwest wind 8 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 71. South wind around 9 mph, with gusts as high as 15 mph.
Monday
Sunny and hot, with a high near 96. South southwest wind 9 to 11 mph, with gusts as high as 17 mph.
Monday Night
Mostly clear, with a low around 75. South wind 7 to 9 mph.
Tuesday
Sunny and hot, with a high near 99. Southwest wind around 9 mph.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
A chance of showers. Partly cloudy, with a low around 73.
Friday
Mostly sunny and hot, with a high near 95.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Stonington IL
39.63°N 89.18°W (Elev. 620 ft)
39.63°N 89.18°W (Elev. 620 ft)
4:36 am CDT Aug 29, 2026
5am CDT Aug 29, 2026-6pm CDT Sep 4, 2026
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