Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Light Rain Fog/Mist and Breezy
59°F
15°C
| Humidity | 93% |
| Wind Speed | S 24 G 36 mph |
| Barometer | 29.77 in (1007.9 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 5.00 mi |
| Last update | 7 Mar 7:54 am CST |
Extended Forecast for
2 Miles NNE Decatur Airport IL
Today
High: 63 °F⇓
Chance
Showers then
Slight Chance
Showers and
BreezyTonight

Low: 35 °F
Decreasing
CloudsSunday

High: 61 °F
Sunny
Sunday Night

Low: 45 °F
Clear
Monday

High: 73 °F
Sunny
Monday Night

Low: 55 °F
Mostly Clear
Tuesday
High: 76 °F
Mostly Sunny
then Showers
Likely and
BreezyTuesday Night

Low: 48 °F
Showers and
BreezyWednesday
High: 60 °F
Breezy.
Showers then
Chance
Showers
Detailed Forecast
Today
A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 1pm. Cloudy, with a temperature rising to near 63 by 10am, then falling to around 48 during the remainder of the day. Breezy, with a south wind 15 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 61. Southwest wind 7 to 16 mph, with gusts as high as 23 mph.
Sunday Night
Clear, with a low around 45. South southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 73. South southwest wind 13 to 18 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 55. South southwest wind around 11 mph, with gusts as high as 20 mph.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 76. Breezy, with a south wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers, with thunderstorms also possible after midnight. Low around 48. Breezy. Chance of precipitation is 90%.
Wednesday
Showers, mainly before noon. High near 60. Breezy. Chance of precipitation is 80%.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
Mostly cloudy, with a high near 60. Breezy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles NNE Decatur Airport IL
39.86°N 88.85°W (Elev. 682 ft)
39.86°N 88.85°W (Elev. 682 ft)
7:57 am CST Mar 7, 2026
8am CST Mar 7, 2026-6pm CDT Mar 13, 2026


