National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Light Rain

40°F

4°C

Humidity 97%
Wind Speed N 12 mph
Barometer 29.60 in (1002.9 mb)
Dewpoint 39°F (4°C)
Visibility 7.00 mi
Wind Chill33°F (1°C)
Last update 11 Mar 5:52 am CDT
Extended Forecast for

Union IL

  • Today

    Today: Rain and snow before 3pm, then a chance of snow between 3pm and 5pm, then a slight chance of rain and snow after 5pm. High near 36. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 36 °F

    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 25 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Increasing clouds, with a high near 46. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 46 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely. Cloudy, with a low around 36. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 70%.

    Low: 36 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Partly sunny, with a high near 45. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.

    High: 45 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly after 1pm. Cloudy, with a high near 40.

    High: 40 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 31.

    Low: 31 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow. Cloudy, with a high near 42. Breezy.

    High: 42 °F

    Rain/Snow and
    Breezy

Detailed Forecast

Today
Rain and snow before 3pm, then a chance of snow between 3pm and 5pm, then a slight chance of rain and snow after 5pm. High near 36. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Increasing clouds, with a high near 46. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Showers likely. Cloudy, with a low around 36. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 45. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
A 40 percent chance of snow, mainly after 1pm. Cloudy, with a high near 40.
Saturday Night
A chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 31.
Sunday
Rain and snow. Cloudy, with a high near 42. Breezy.
Sunday Night
A chance of snow before 1am. Mostly cloudy, with a low around 13. Blustery.
Monday
Mostly cloudy, with a high near 26. Blustery.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Union IL
 42.24°N 88.56°W
Last Update:
4:11 am CDT Mar 11, 2026
Forecast Valid:
6am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation