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

28°F

-2°C

Humidity 72%
Wind Speed W 17 G 31 mph
Barometer 30.08 in (1019.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 30 Nov 3:54 am CST
Extended Forecast for

3 Miles SW Dewitt IL

  • Overnight

    Overnight: A chance of flurries. Cloudy, with a steady temperature around 27. Breezy, with a west wind around 23 mph, with gusts as high as 36 mph.

    Low: 27 °F

    Chance
    Flurries and
    Breezy

  • Sunday

    Sunday: A chance of flurries before 11am. Cloudy, with a high near 25. Wind chill values between 5 and 13. Breezy, with a west wind 13 to 22 mph, with gusts as high as 34 mph.

    High: 25 °F

    Chance
    Flurries and
    Breezy then
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.

    Low: 15 °F

    Mostly Cloudy

  • Monday

    Monday: Snow likely after noon. Cloudy, with a high near 29. Calm wind becoming southeast around 5 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 29 °F

    Cloudy then
    Snow Likely

  • Monday Night

    Monday Night: Snow before midnight. Low around 16. Light and variable wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 16 °F

    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 24. Northwest wind around 7 mph becoming southwest in the afternoon.

    High: 24 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 14. South southwest wind 6 to 11 mph, with gusts as high as 15 mph.

    Low: 14 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of flurries. Cloudy, with a steady temperature around 27. Breezy, with a west wind around 23 mph, with gusts as high as 36 mph.
Sunday
A chance of flurries before 11am. Cloudy, with a high near 25. Wind chill values between 5 and 13. Breezy, with a west wind 13 to 22 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 15. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.
Monday
Snow likely after noon. Cloudy, with a high near 29. Calm wind becoming southeast around 5 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Monday Night
Snow before midnight. Low around 16. Light and variable wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Partly sunny, with a high near 24. Northwest wind around 7 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 14. South southwest wind 6 to 11 mph, with gusts as high as 15 mph.
Wednesday
Partly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 6.
Thursday
Mostly sunny, with a high near 14.
Thursday Night
Mostly cloudy, with a low around -1.
Friday
A chance of snow. Partly sunny, with a high near 25.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Mostly cloudy, with a high near 32.
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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:
4:07 am CST Nov 30, 2025
Forecast Valid:
4am CST Nov 30, 2025-6pm CST Dec 6, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation