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

Thunderstorms, Heavy Rain and Heat in the Memorial Day Forecast

Strong to severe thunderstorms and heavy rain with possible flash flooding are expected from Texas to the Upper Mississippi Valley on Memorial Day. Also, a soaking rain with flooding is expected across south-central Florida. Meanwhile, a week of record breaking heat is going to get started across California into the Southwest and Great Basin, as excessive heat warnings stretch across the region. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

61°F

16°C

Humidity 87%
Wind Speed Calm
Barometer 29.90 in (1011.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 24 May 11:55 pm CDT
Extended Forecast for

Gurnee IL

Flood Warning until May 26, 07:00am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning until May 26, 07:00am

    NOW until
    7:00am Tue

    Flood Warning

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 65. Calm wind becoming south around 5 mph.

    Chance
    T-storms

    Low: 65 °F

  • Memorial
    Day

    Memorial Day: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Chance
    T-storms

    High: 85 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind around 5 mph, with gusts as high as 15 mph.

    Slight Chance
    T-storms

    Low: 66 °F

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 20 mph.

    Slight Chance
    T-storms then
    Chance
    T-storms

    High: 82 °F

  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Chance
    T-storms

    Low: 65 °F

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 70%.

    Chance
    T-storms then
    T-storms
    Likely

    High: 79 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

    Chance
    T-storms

    Low: 64 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 77.

    Chance
    T-storms

    High: 77 °F

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 65. Calm wind becoming south around 5 mph.
Memorial Day
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind around 5 mph, with gusts as high as 15 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 53.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 74.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Gurnee IL
 42.37°N 87.93°W
Last Update:
11:54 pm CDT May 24, 2020
Forecast Valid:
12am CDT May 25, 2020-6pm CDT May 30, 2020
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation