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/Mist

32°F

0°C

Humidity 85%
Wind Speed SE 9 mph
Barometer 29.94 in (1014.7 mb)
Dewpoint 28°F (-2°C)
Visibility 6.00 mi
Wind Chill24°F (-4°C)
Last update 6 Dec 2:54 pm CST
Extended Forecast for

2 Miles W Hammond IL

Winter Weather Advisory December 6, 09:00pm until December 7, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 36. Southeast wind 3 to 5 mph.

    High: 36 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of freezing rain before 2am, then a chance of snow and freezing rain between 2am and 5am, then a slight chance of freezing rain after 5am. Patchy fog after 1am. Otherwise, cloudy, with a low around 27. Southeast wind around 7 mph. Chance of precipitation is 40%.

    Low: 27 °F

    Chance Wintry
    Mix and
    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 9am. Patchy fog before 11am. Otherwise, cloudy, with a temperature rising to near 33 by 8am, then falling to around 26 during the remainder of the day. South wind 6 to 14 mph becoming north in the afternoon. Winds could gust as high as 22 mph.

    High: 33 °F⇓

    Chance Rain
    and Patchy
    Fog then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 12. Wind chill values between 4 and 9. North wind 6 to 13 mph, with gusts as high as 17 mph.

    Low: 12 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 25. North northeast wind around 6 mph becoming light and variable in the afternoon.

    High: 25 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. South wind 5 to 10 mph increasing to 11 to 16 mph after midnight. Winds could gust as high as 22 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. South southwest wind 14 to 16 mph, with gusts as high as 23 mph.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 34. Breezy.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 41. Breezy.

    High: 41 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 36. Southeast wind 3 to 5 mph.
Tonight
A chance of freezing rain before 2am, then a chance of snow and freezing rain between 2am and 5am, then a slight chance of freezing rain after 5am. Patchy fog after 1am. Otherwise, cloudy, with a low around 27. Southeast wind around 7 mph. Chance of precipitation is 40%.
Sunday
A 30 percent chance of rain, mainly before 9am. Patchy fog before 11am. Otherwise, cloudy, with a temperature rising to near 33 by 8am, then falling to around 26 during the remainder of the day. South wind 6 to 14 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 12. Wind chill values between 4 and 9. North wind 6 to 13 mph, with gusts as high as 17 mph.
Monday
Mostly sunny, with a high near 25. North northeast wind around 6 mph becoming light and variable in the afternoon.
Monday Night
Mostly cloudy, with a low around 15. South wind 5 to 10 mph increasing to 11 to 16 mph after midnight. Winds could gust as high as 22 mph.
Tuesday
Partly sunny, with a high near 42. South southwest wind 14 to 16 mph, with gusts as high as 23 mph.
Tuesday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 34. Breezy.
Wednesday
Mostly cloudy, with a high near 41. Breezy.
Wednesday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 21.
Thursday
A chance of snow. Mostly cloudy, with a high near 31.
Thursday Night
Mostly cloudy, with a low around 13.
Friday
Partly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hammond IL
 39.81°N 88.63°W (Elev. 666 ft)
Last Update:
2:16 pm CST Dec 6, 2025
Forecast Valid:
3pm CST Dec 6, 2025-6pm CST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

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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