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Sprawling Storm System Bringing Impactful Weather To Western and Central U.S. Through Midweek

A large storm system will extend from the West Coast to the Great Lakes during the next couple days bringing hazardous weather to many parts of the country. Heavy snow is expected in the higher terrain of the West, along with very strong winds. Snow and ice will disrupt travel in parts of the Midwest, and heavy rain could cause widespread flooding in the Mississippi Valley and Great Lakes. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fog/Mist

37°F

3°C

Humidity 100%
Wind Speed S 9 mph
Barometer 29.88 in
Dewpoint 37°F (3°C)
Visibility 3.00 mi
Wind Chill30°F (-1°C)
Last update 19 Feb 6:15 am CST
Extended Forecast for

Lockport IL

Flood Watch February 19, 06:00pm until February 21, 06:00am
Click here for hazard details and duration
Flood Watch
  • Washington's
    Birthday

    Washington's Birthday: Showers and possibly a thunderstorm.  Areas of dense fog. High near 54. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Showers and
    Areas Dense
    Fog

    High: 54 °F

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rain.  Patchy fog. Temperature rising to around 58 by midnight. 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: 53 °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 10am, then falling to around 54 during the remainder of the day. South southwest wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. 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 and sleet likely 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.  New sleet accumulation of less than a half inch possible.

    Rain then
    Wintry Mix
    Likely

    Low: 30 °F

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 38. North wind around 10 mph.

    Mostly Cloudy

    High: 38 °F

  • Wednesday
    Night

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

    Mostly Cloudy

    Low: 26 °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

Detailed Forecast

Washington's Birthday
Showers and possibly a thunderstorm. Areas of dense fog. High near 54. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. Patchy fog. Temperature rising to around 58 by midnight. 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 10am, then falling to around 54 during the remainder of the day. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tuesday Night
Rain before 4am, then rain and sleet likely 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. New sleet accumulation of less than a half inch possible.
Wednesday
Mostly cloudy, with a high near 38. North wind around 10 mph.
Wednesday Night
Mostly cloudy, with a low around 26.
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 and snow. Partly sunny, with a high near 47.
Click Map For Forecast
Point Forecast:
Lockport IL
 41.59°N 88.05°W
5:19 am CST Feb 19, 2018
6am CST Feb 19, 2018-6pm CST Feb 25, 2018
 
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