Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
62°F
17°C
| Humidity | 62% |
| Wind Speed | SW 12 mph |
| Barometer | 29.98 in (1014.7 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 22 Apr 2:54 am CDT |
Extended Forecast for
Decatur IL
Overnight
Low: 60 °F
Partly Cloudy
Wednesday
High: 79 °F
Mostly Sunny
Wednesday Night
Low: 57 °F
Mostly Clear
Thursday
High: 80 °F
Sunny
Thursday Night
Low: 62 °F
Partly Cloudy
then Chance
T-stormsFriday
High: 75 °F
Showers
Friday Night
Low: 53 °F
Partly Cloudy
Saturday
High: 72 °F
Sunny
Saturday Night
Low: 49 °F
Partly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around 60. West southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 79. West southwest wind around 11 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 57. South wind around 7 mph.
Thursday
Sunny, with a high near 80. South wind 8 to 18 mph, with gusts as high as 29 mph.
Thursday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 62. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Friday
Showers and possibly a thunderstorm before 7am, then showers between 7am and 10am, then showers and possibly a thunderstorm after 10am. High near 75. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Partly cloudy, with a low around 53. West wind 7 to 9 mph becoming north after midnight. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 74.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 58. Breezy.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 74. Breezy.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 67.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Decatur IL
39.84°N 88.94°W (Elev. 692 ft)
39.84°N 88.94°W (Elev. 692 ft)
3:16 am CDT Apr 22, 2026
3am CDT Apr 22, 2026-6pm CDT Apr 28, 2026
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