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.

Overcast

46°F

8°C

Humidity 89%
Wind Speed N 3 mph
Barometer 29.95 in (1014.4 mb)
Dewpoint 43°F (6°C)
Visibility 8.00 mi
Last update 26 Dec 11:54 pm CST
Extended Forecast for

3 Miles W Maroa IL

Dense Fog Advisory until December 27, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until December 27, 10:00am

    NOW until 10:00am Sat

    Dense Fog Advisory

  • Overnight

    Low: 41 °F

    Patchy Dense
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, cloudy, with a high near 55. Southeast wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 55 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A chance of rain, with thunderstorms also possible after 3am. Cloudy, with a temperature rising to around 59 by 5am. South wind 13 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    Low: 52 °F⇑

    Slight Chance
    Rain then
    Chance Rain

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 3pm. High near 66. South wind 11 to 17 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 15. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 15 °F

    Wintry Mix
    Likely and
    Blustery then
    Mostly Cloudy
    and Windy

  • Monday

    Monday: Partly sunny, with a high near 23. Windy, with a west northwest wind 22 to 30 mph, with gusts as high as 39 mph.

    High: 23 °F

    Partly Sunny
    and Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 14. West northwest wind 15 to 18 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 41. Light and variable wind becoming east around 6 mph.
Saturday
Patchy fog before 9am. Otherwise, cloudy, with a high near 55. Southeast wind 7 to 14 mph, with gusts as high as 21 mph.
Saturday Night
A chance of rain, with thunderstorms also possible after 3am. Cloudy, with a temperature rising to around 59 by 5am. South wind 13 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Sunday
Rain, with thunderstorms also possible after 3pm. High near 66. South wind 11 to 17 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Rain likely, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 15. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 23. Windy, with a west northwest wind 22 to 30 mph, with gusts as high as 39 mph.
Monday Night
Mostly clear, with a low around 14. West northwest wind 15 to 18 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 12.
New Year's Day
Mostly sunny, with a high near 22.
Thursday Night
Mostly clear, with a low around 8.
Friday
Mostly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Maroa IL
 40.04°N 89.02°W (Elev. 699 ft)
Last Update:
11:42 pm CST Dec 26, 2025
Forecast Valid:
12am CST Dec 27, 2025-6pm CST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation