NWS Forecast for: Chicago/Romeoville, Lewis University Airport IL
Issued by: National Weather Service Chicago, IL
Last Update: 11:20 am CST Feb 19, 2018
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  • Washington's
    Birthday

    Washington's Birthday: Showers and possibly a thunderstorm.  Areas of fog before 4pm. High near 52. South wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers and
    Areas Fog


    High: 52 °F

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rain.  Patchy fog. Temperature rising to around 57 by 1am. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain
    and Patchy
    Fog

    Low: 52 °F

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rain.  Patchy fog between 9am and 10am. Temperature rising to near 62 by 11am, then falling to around 54 during the remainder of the day. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain
    and Patchy
    Fog

    High: 62 °F

  • Tuesday
    Night

    Tuesday Night: Rain before 4am, then rain likely, possibly mixed with sleet between 4am and 5am, then freezing rain and sleet likely after 5am.  Low around 30. West southwest wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 90%. Little or no ice accumulation expected.  Little or no sleet accumulation expected.

    Rain then
    Wintry Mix
    Likely

    Low: 30 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 38. North wind around 10 mph.

    Partly Sunny



    High: 38 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Mostly Cloudy



    Low: 27 °F

  • Thursday

    Thursday: Partly sunny, with a high near 41.

    Partly Sunny



    High: 41 °F

  • Thursday
    Night

    Thursday Night: A chance of rain and snow between midnight and 1am, then a chance of snow after 1am.  Mostly cloudy, with a low around 31.

    Mostly Cloudy
    then Chance
    Rain/Snow

    Low: 31 °F

  • Friday

    Friday: A chance of rain and snow before 9am, then a chance of rain between 9am and noon.  Mostly cloudy, with a high near 45.

    Chance
    Rain/Snow
    then Mostly
    Cloudy

    High: 45 °F



  • Washington's Birthday: Showers and possibly a thunderstorm. Areas of fog before 4pm. High near 52. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. Patchy fog. Temperature rising to around 57 by 1am. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Tuesday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. Patchy fog between 9am and 10am. Temperature rising to near 62 by 11am, then falling to around 54 during the remainder of the day. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Tuesday Night: Rain before 4am, then rain likely, possibly mixed with sleet between 4am and 5am, then freezing rain and sleet likely after 5am. Low around 30. West southwest wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Little or no sleet accumulation expected.

    Wednesday: Partly sunny, with a high near 38. North wind around 10 mph.

    Wednesday Night: Mostly cloudy, with a low around 27.

    Thursday: Partly sunny, with a high near 41.

    Thursday Night: A chance of rain and snow between midnight and 1am, then a chance of snow after 1am. Mostly cloudy, with a low around 31.

    Friday: A chance of rain and snow before 9am, then a chance of rain between 9am and noon. Mostly cloudy, with a high near 45.

    Friday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 34.

    Saturday: A slight chance of rain and snow. Mostly cloudy, with a high near 47.

    Saturday Night: Rain and snow likely. Mostly cloudy, with a low around 36.

    Sunday: A chance of rain. Partly sunny, with a high near 47.



    Chicago/Romeoville, Lewis University Airport IL
     41.61°N 88.08°W

    Visit your local NWS office at: http://www.crh.noaa.gov/lot