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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
A Few Clouds
73°F
23°C
| Humidity | 76% |
| Wind Speed | NE 12 mph |
| Barometer | 30.04 in (1016.9 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 14 Oct 5:54 pm CDT |
Extended Forecast for
Clinton IL
Tonight
Low: 59 °F
Cloudy then
Slight Chance
ShowersThursday
High: 75 °F
Showers
Thursday Night
Low: 48 °F
Showers
Likely and
BreezyFriday
High: 57 °F
Breezy.
Partly Sunny
then Chance
ShowersFriday Night
Low: 37 °F
Partly Cloudy
and Breezy
then Mostly
ClearSaturday
High: 60 °F
Areas Frost
then SunnySaturday Night
Low: 37 °F
Clear
Sunday
High: 67 °F
Sunny
Sunday Night
Low: 41 °F
Mostly Clear
Detailed Forecast
Tonight
A slight chance of showers before 3am, then a slight chance of showers after 4am. Cloudy, with a low around 59. East northeast wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Thursday
Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 75. East wind around 10 mph becoming south in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms likely before 1am, then a chance of showers between 1am and 4am. Mostly cloudy, with a low around 48. Breezy, with a west southwest wind 11 to 16 mph becoming northwest 17 to 22 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 57. Breezy, with a northwest wind 22 to 26 mph, with gusts as high as 34 mph.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 37. Breezy, with a north wind 11 to 20 mph, with gusts as high as 23 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 60. North wind 5 to 7 mph becoming light and variable.
Saturday Night
Clear, with a low around 37. South wind 3 to 7 mph.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 41.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 78.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Clinton IL
40.15°N 88.95°W (Elev. 715 ft)
40.15°N 88.95°W (Elev. 715 ft)
3:36 pm CDT Oct 14, 2026
6pm CDT Oct 14, 2026-6pm CDT Oct 21, 2026
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