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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
72°F
22°C
| Humidity | 82% |
| Wind Speed | S 3 mph |
| Barometer | 30.01 in (1015.8 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 14 Oct 9:54 am CDT |
Extended Forecast for
Stonington IL
Today
High: 76 °F
Showers
LikelyTonight
Low: 61 °F
Chance
ShowersThursday
High: 77 °F
Showers
Thursday Night
Low: 47 °F
Showers and
BreezyFriday
High: 57 °F
Partly Sunny
and BreezyFriday Night
Low: 36 °F
Mostly Clear
then Patchy
FrostSaturday
High: 60 °F
Areas Frost
then SunnySaturday Night
Low: 37 °F
Clear
Sunday
High: 70 °F
Areas Frost
then Sunny
Detailed Forecast
Today
Showers likely, mainly before 11am. Mostly cloudy, with a high near 76. North northwest wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 61. East northeast wind 6 to 8 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 77. East wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm. Low around 47. Breezy, with a west southwest wind 8 to 13 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Partly sunny, with a high near 57. Breezy, with a northwest wind 21 to 24 mph, with gusts as high as 33 mph.
Friday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. North wind 5 to 14 mph, with gusts as high as 20 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 60. Light and variable wind.
Saturday Night
Clear, with a low around 37.
Sunday
Areas of frost before 7am. Otherwise, sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 73.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 77.
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)
9:37 am CDT Oct 14, 2026
10am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
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