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

25°F

-4°C

Humidity 85%
Wind Speed SE 7 mph
Barometer 30.29 in (1026.7 mb)
Dewpoint 21°F (-6°C)
Visibility 7.00 mi
Wind Chill17°F (-8°C)
Last update 1 Dec 11:54 am CST
Extended Forecast for

3 Miles W Maroa IL

Winter Weather Advisory until December 2, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 2, 06:00am

    NOW until 6:00am Tue

    Winter Weather Advisory

  • This Afternoon

    High: 28 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before midnight. Low around 16. Calm wind becoming west northwest 5 to 8 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 16 °F

    Snow then
    Slight Chance
    Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 25. Northwest wind around 7 mph becoming south southwest in the afternoon.

    High: 25 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. South wind 6 to 11 mph, with gusts as high as 17 mph.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 33. South wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 17 mph.

    High: 33 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 3. West wind around 10 mph becoming north northwest after midnight. Winds could gust as high as 16 mph.

    Low: 3 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 14. North northwest wind 5 to 10 mph becoming light north northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 14 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -1.

    Low: -1 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow, mainly after 2pm. High near 28. Southeast wind 3 to 5 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow, mainly before midnight. Low around 16. Calm wind becoming west northwest 5 to 8 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Mostly cloudy, with a high near 25. Northwest wind around 7 mph becoming south southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 16. South wind 6 to 11 mph, with gusts as high as 17 mph.
Wednesday
Mostly cloudy, with a high near 33. South wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night
Mostly cloudy, with a low around 3. West wind around 10 mph becoming north northwest after midnight. Winds could gust as high as 16 mph.
Thursday
Sunny, with a high near 14. North northwest wind 5 to 10 mph becoming light north northeast in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around -1.
Friday
A 30 percent chance of snow after noon. Partly sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Mostly cloudy, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Mostly cloudy, with a high near 29.
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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:
11:16 am CST Dec 1, 2025
Forecast Valid:
12pm CST Dec 1, 2025-6pm CST Dec 7, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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