National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fog

40°F

4°C

Humidity 97%
Wind Speed S 6 mph
Barometer 30.17 in (1021.8 mb)
Dewpoint 39°F (4°C)
Visibility 0.25 mi
Wind Chill36°F (2°C)
Last update 24 Nov 1:54 am CST
Extended Forecast for

3 Miles S Oreana IL

Dense Fog Advisory November 24, 02:40am until November 24, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory November 24, 02:40am until November 24, 10:00am

    NOW until 10:00am Mon

    Dense Fog Advisory

  • Overnight

    Low: 40 °F

    Areas Dense
    Fog

  • Monday

    Monday: A 30 percent chance of rain, mainly after 5pm. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 52. South wind 7 to 9 mph, with gusts as high as 15 mph.

    High: 52 °F

    Areas Dense
    Fog then
    Chance Rain

  • Monday Night

    Monday Night: Rain, mainly after 9pm. Low around 47. South southeast wind 5 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain. Mostly cloudy, with a high near 58. Light and variable wind becoming west southwest 5 to 9 mph in the morning.

    High: 58 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. Breezy, with a west wind 8 to 13 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 34 mph.

    Low: 33 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Wednesday

    Wednesday: Partly sunny, with a high near 41. Breezy, with a west wind 18 to 26 mph, with gusts as high as 38 mph.

    High: 41 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 22. West northwest wind 14 to 16 mph, with gusts as high as 26 mph.

    Low: 22 °F

    Mostly Clear

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 36.

    High: 36 °F

    Sunny

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, mostly cloudy, with a steady temperature around 40. South wind around 7 mph.
Monday
A 30 percent chance of rain, mainly after 5pm. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 52. South wind 7 to 9 mph, with gusts as high as 15 mph.
Monday Night
Rain, mainly after 9pm. Low around 47. South southeast wind 5 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 58. Light and variable wind becoming west southwest 5 to 9 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 33. Breezy, with a west wind 8 to 13 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 34 mph.
Wednesday
Partly sunny, with a high near 41. Breezy, with a west wind 18 to 26 mph, with gusts as high as 38 mph.
Wednesday Night
Mostly clear, with a low around 22. West northwest wind 14 to 16 mph, with gusts as high as 26 mph.
Thanksgiving Day
Sunny, with a high near 36.
Thursday Night
Mostly clear, with a low around 17.
Friday
Mostly sunny, with a high near 35.
Friday Night
A chance of snow. Mostly cloudy, with a low around 23.
Saturday
Rain and snow likely. Mostly cloudy, with a high near 37.
Saturday Night
Rain likely. Cloudy, with a low around 31.
Sunday
A chance of rain. Mostly cloudy, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Oreana IL
 39.9°N 88.88°W (Elev. 676 ft)
Last Update:
2:36 am CST Nov 24, 2025
Forecast Valid:
2am CST Nov 24, 2025-6pm CST Nov 30, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation