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.

Fair

41°F

5°C

Humidity 45%
Wind Speed S 17 mph
Barometer 29.59 in (1002.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 24 Feb 4:54 pm CST
Extended Forecast for

Hammond IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. South southwest wind 8 to 17 mph becoming west northwest after midnight. Winds could gust as high as 29 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. West northwest wind 7 to 11 mph, with gusts as high as 16 mph.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain before 8pm, then a chance of snow. Mostly cloudy, with a low around 26. Northwest wind 5 to 8 mph becoming east northeast after midnight. Chance of precipitation is 40%.

    Low: 26 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 47. East northeast wind 7 to 9 mph becoming west southwest in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. Southwest wind 5 to 7 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. South southwest wind 8 to 18 mph, with gusts as high as 25 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. South southwest wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. South southwest wind 8 to 17 mph becoming west northwest after midnight. Winds could gust as high as 29 mph.
Wednesday
Mostly sunny, with a high near 46. West northwest wind 7 to 11 mph, with gusts as high as 16 mph.
Wednesday Night
A chance of rain before 8pm, then a chance of snow. Mostly cloudy, with a low around 26. Northwest wind 5 to 8 mph becoming east northeast after midnight. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 47. East northeast wind 7 to 9 mph becoming west southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 28. Southwest wind 5 to 7 mph.
Friday
Sunny, with a high near 60. South southwest wind 8 to 18 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 34. South southwest wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
A chance of rain and snow after noon. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25.
Monday
A chance of rain and snow. Partly sunny, with a high near 41.
Monday Night
A chance of rain. Mostly cloudy, with a low around 27.
Tuesday
A chance of rain. Mostly cloudy, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hammond IL
 39.81°N 88.6°W (Elev. 673 ft)
Last Update:
3:36 pm CST Feb 24, 2026
Forecast Valid:
5pm CST Feb 24, 2026-6pm CST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation