Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Light Rain Fog/Mist
41°F
5°C
| Humidity | 86% |
| Wind Speed | NW 17 G 26 mph |
| Barometer | 29.85 in (1010.9 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 5.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 11 Mar 12:54 pm CDT |
Extended Forecast for
2 Miles WNW Decatur Airport IL
This Afternoon

High: 40 °F
Rain Likely
and BreezyTonight
Low: 28 °F
Gradual
Clearing and
Blustery then
ClearThursday

High: 50 °F
Increasing
CloudsThursday Night

Low: 40 °F
Mostly Cloudy
and BreezyFriday

High: 54 °F
Mostly Sunny
and BreezyFriday Night

Low: 32 °F
Mostly Cloudy
Saturday

High: 52 °F
Mostly Cloudy
Saturday Night

Low: 44 °F
Cloudy
Sunday
High: 61 °F
Breezy. Rain
Likely then
Rain
Detailed Forecast
This Afternoon
Rain likely, mainly before 3pm. Cloudy, with a steady temperature around 40. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 28. Blustery, with a north northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Increasing clouds, with a high near 50. West wind 6 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 40. Breezy, with a south wind 13 to 18 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 36 mph.
Friday
Mostly sunny, with a high near 54. Breezy, with a west wind 16 to 21 mph, with gusts as high as 32 mph.
Friday Night
Mostly cloudy, with a low around 32. West northwest wind 6 to 10 mph becoming north northeast after midnight. Winds could gust as high as 16 mph.
Saturday
Mostly cloudy, with a high near 52. East southeast wind 7 to 11 mph, with gusts as high as 17 mph.
Saturday Night
Cloudy, with a low around 44.
Sunday
Rain. High near 61. Breezy. Chance of precipitation is 90%.
Sunday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 20. Blustery. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 29. Blustery.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Mostly sunny, with a high near 34.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles WNW Decatur Airport IL
39.86°N 88.91°W (Elev. 686 ft)
39.86°N 88.91°W (Elev. 686 ft)
1:26 pm CDT Mar 11, 2026
1pm CDT Mar 11, 2026-6pm CDT Mar 17, 2026



