Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

48°F

9°C

Humidity 71%
Wind Speed SW 7 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 17 Feb 12:51 am CST
Extended Forecast for

Zion IL

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 36. North northwest wind around 5 mph becoming east southeast.

    Low: 36 °F

    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of rain after 5pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 44. East southeast wind 5 to 15 mph.

    High: 44 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain, then rain and possibly a thunderstorm after 9pm.  Temperature rising to around 46 by 5am. Southeast wind around 15 mph becoming south southwest after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before noon.  Sunny, with a high near 60. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 60 °F

    Breezy.
    Slight Chance
    Rain then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. West southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon.  Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain.  Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Rain

  • Friday

    Friday: A chance of rain and snow.  Mostly cloudy, with a high near 41. Breezy.

    High: 41 °F

    Chance
    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 36. North northwest wind around 5 mph becoming east southeast.
Tuesday
A 20 percent chance of rain after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 44. East southeast wind 5 to 15 mph.
Tuesday Night
A chance of rain, then rain and possibly a thunderstorm after 9pm. Temperature rising to around 46 by 5am. Southeast wind around 15 mph becoming south southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of rain before noon. Sunny, with a high near 60. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Wednesday Night
Partly cloudy, with a low around 36. West southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Thursday
A 30 percent chance of rain after noon. Partly sunny, with a high near 45.
Thursday Night
Rain. Low around 35. Chance of precipitation is 80%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 41. Breezy.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Partly sunny, with a high near 36.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
Zion IL
 42.45°N 87.81°W
12:01 am CST Feb 17, 2026
1am CST Feb 17, 2026-6pm CST Feb 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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