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

41°F

5°C

Humidity 86%
Wind Speed SW 15 G 28 mph
Barometer 29.47 in (998.5 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 10 Dec 3:54 am CST
Extended Forecast for

3 Miles SW Dewitt IL

Wind Advisory December 10, 04:22am until December 10, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 10, 04:22am until December 10, 12:00pm

    NOW until 12:00pm Wed

    Wind Advisory

  • Overnight

    Low: 34 °F

    Slight Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A chance of rain and snow showers before 10am, then a chance of snow showers between 10am and 3pm. Cloudy, with a temperature falling to around 30 by 5pm. Breezy, with a northwest wind 17 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 50%.

    High: 37 °F⇓

    Breezy.
    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 21. Northwest wind 8 to 16 mph, with gusts as high as 21 mph.

    Low: 21 °F

    Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after 3pm. Mostly cloudy, with a high near 28. West northwest wind 6 to 9 mph becoming south in the afternoon.

    High: 28 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow, mainly before midnight. Low around 23. South southeast wind 7 to 10 mph becoming east northeast after midnight. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 23 °F

    Snow then
    Chance Snow

  • Friday

    Friday: Mostly cloudy, with a high near 31. Northeast wind 9 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 31 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 8. West northwest wind 10 to 14 mph, with gusts as high as 18 mph.

    Low: 8 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow. Cloudy, with a high near 16.

    High: 16 °F

    Chance Snow

Detailed Forecast

Overnight
A 20 percent chance of showers. Cloudy, with a low around 34. Breezy, with a west wind around 22 mph, with gusts as high as 34 mph.
Wednesday
A chance of rain and snow showers before 10am, then a chance of snow showers between 10am and 3pm. Cloudy, with a temperature falling to around 30 by 5pm. Breezy, with a northwest wind 17 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 50%.
Wednesday Night
Cloudy, with a low around 21. Northwest wind 8 to 16 mph, with gusts as high as 21 mph.
Thursday
A 30 percent chance of snow after 3pm. Mostly cloudy, with a high near 28. West northwest wind 6 to 9 mph becoming south in the afternoon.
Thursday Night
Snow, mainly before midnight. Low around 23. South southeast wind 7 to 10 mph becoming east northeast after midnight. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday
Mostly cloudy, with a high near 31. Northeast wind 9 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 8. West northwest wind 10 to 14 mph, with gusts as high as 18 mph.
Saturday
A 50 percent chance of snow. Cloudy, with a high near 16.
Saturday Night
Partly cloudy, with a low around -6.
Sunday
Sunny and cold, with a high near 7.
Sunday Night
Mostly clear, with a low around -4.
Monday
Mostly sunny, with a high near 25.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Dewitt IL
 40.17°N 88.78°W (Elev. 699 ft)
Last Update:
3:46 am CST Dec 10, 2025
Forecast Valid:
4am CST Dec 10, 2025-6pm CST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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