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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fog/Mist

50°F

10°C

Humidity 96%
Wind Speed Calm
Barometer 30.05 in (1017.9 mb)
Dewpoint 49°F (9°C)
Visibility 0.75 mi
Last update 20 Nov 11:54 pm CST
Extended Forecast for

2 Miles NNE Oakley IL

Dense Fog Advisory November 21, 12:06am until November 21, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory November 21, 12:06am until November 21, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 48 °F

    Chance Rain
    and Areas
    Dense Fog

  • Friday

    Friday: Rain likely, mainly after 7am. Areas of dense fog before noon. Otherwise, cloudy, with a high near 53. East northeast wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain Likely
    and Areas
    Dense Fog

  • Friday Night

    Friday Night: A chance of rain before 3am, then a chance of rain and snow. Cloudy, then gradually becoming partly cloudy, with a low around 36. North northeast wind 7 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Sunny, with a high near 53. North wind 5 to 7 mph becoming west in the afternoon.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. West southwest wind around 6 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58. West southwest wind 6 to 8 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. South southeast wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of rain after noon. Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
A 40 percent chance of rain, mainly after 4am. Areas of dense fog. Otherwise, cloudy, with a low around 48. Light east northeast wind.
Friday
Rain likely, mainly after 7am. Areas of dense fog before noon. Otherwise, cloudy, with a high near 53. East northeast wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A chance of rain before 3am, then a chance of rain and snow. Cloudy, then gradually becoming partly cloudy, with a low around 36. North northeast wind 7 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 53. North wind 5 to 7 mph becoming west in the afternoon.
Saturday Night
Mostly clear, with a low around 34. West southwest wind around 6 mph.
Sunday
Sunny, with a high near 58. West southwest wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 40. South southeast wind around 6 mph.
Monday
A 50 percent chance of rain after noon. 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 33.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 25.
Thanksgiving Day
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Oakley IL
 39.88°N 88.79°W (Elev. 696 ft)
Last Update:
11:46 pm CST Nov 20, 2025
Forecast Valid:
12am CST Nov 21, 2025-6pm CST Nov 27, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation