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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Light Rain Fog/Mist
69°F
21°C
| Humidity | 96% |
| Wind Speed | SE 10 mph |
| Barometer | 29.97 in (1014.4 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 3.00 mi |
| Last update | 15 Oct 12:54 pm CDT |
Extended Forecast for
Clinton IL
This Afternoon
High: 75 °F
Showers
Tonight
Low: 46 °F
Showers
Likely then
Chance
Showers and
BreezyFriday
High: 54 °F
Breezy.
Partly Sunny
then Chance
ShowersFriday Night
Low: 36 °F
Partly Cloudy
and Breezy
then Mostly
ClearSaturday
High: 57 °F
Areas Frost
then SunnySaturday Night
Low: 36 °F
Clear then
Areas FrostSunday
High: 68 °F
Areas Frost
then SunnySunday Night
Low: 39 °F
Mostly Clear
Monday
High: 73 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms after 3pm. High near 75. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before midnight, then a chance of showers between midnight and 1am. Cloudy, with a low around 46. Breezy, with a southwest wind 15 to 20 mph becoming west northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 54. Breezy, with a west northwest wind 21 to 25 mph, with gusts as high as 33 mph.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 36. Breezy, with a north wind 11 to 20 mph, with gusts as high as 29 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 57. North northeast wind 3 to 8 mph.
Saturday Night
Areas of frost after 5am. Otherwise, clear, with a low around 36. South wind 3 to 7 mph.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 68. South wind 7 to 11 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 76.
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)
12:36 pm CDT Oct 15, 2026
1pm CDT Oct 15, 2026-6pm CDT Oct 21, 2026
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