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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fog/Mist
51°F
11°C
| Humidity | 92% |
| Wind Speed | SE 3 mph |
| Barometer | 30.07 in (1018.3 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 5.00 mi |
| Last update | 20 Nov 6:54 pm CST |
Extended Forecast for
2 Miles WNW Decatur IL
Dense Fog Advisory until November 21, 09:00am
NOW until 9:00am Fri
Dense Fog Advisory
Tonight
Low: 49 °F
Chance Rain
and Patchy
FogFriday
High: 54 °F
Rain Likely
and Patchy
FogFriday Night
Low: 37 °F
Chance Rain
Saturday
High: 53 °F
Sunny
Saturday Night
Low: 35 °F
Mostly Clear
Sunday
High: 58 °F
Sunny
Sunday Night
Low: 41 °F
Mostly Cloudy
Monday
High: 57 °F
Chance Rain
Detailed Forecast
Tonight
A 40 percent chance of rain, mainly after 3am. Patchy fog. Otherwise, cloudy, with a low around 49. South southeast wind around 5 mph becoming calm.
Friday
Rain likely, mainly after 7am. Patchy fog before 11am. Otherwise, cloudy, with a high near 54. East northeast wind 6 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 40 percent chance of rain. Cloudy, then gradually becoming partly cloudy, with a low around 37. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 53. North wind around 6 mph becoming west in the afternoon.
Saturday Night
Mostly clear, with a low around 35. West southwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 58. West southwest wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 41. South southeast wind 3 to 6 mph.
Monday
A 50 percent chance of rain. Mostly cloudy, with a high near 57.
Monday Night
Rain. Low around 47. Chance of precipitation is 80%.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 27.
Thanksgiving Day
Mostly sunny, with a high near 40.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles WNW Decatur IL
39.86°N 88.97°W (Elev. 676 ft)
39.86°N 88.97°W (Elev. 676 ft)
3:16 pm CST Nov 20, 2025
7pm CST Nov 20, 2025-6pm CST Nov 27, 2025
Additional Resources
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Hourly Weather Forecast
