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Storm system to bring heavy rainfall and the potential for flash flooding over the southern Mid Atlantic and Southeast U.S.

A slow moving low pressure system will bring the threat for heavy rainfall, flash flooding, and a few strong to severe thunderstorms into Tuesday. The main threat areas include the southern Mid Atlantic and Southeast U.S. Excessive runoff may lead to flooding of low lying areas, rivers, and streams. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

39°F

4°C

Humidity NA
Wind Speed N 3 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 23 Apr 11:55 pm CDT
Extended Forecast for

Grayslake IL

  • Overnight

    Overnight: Mostly clear, with a low around 38. Northeast wind around 5 mph.

    Mostly Clear

    Low: 38 °F

  • Monday

    Monday: Sunny, with a high near 68. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Sunny

    High: 68 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 48. East southeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 48 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 73. South wind 10 to 15 mph.

    Partly Sunny

    High: 73 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 56. South southeast wind around 10 mph.

    Mostly Cloudy
    then Chance
    Showers

    Low: 56 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Cloudy, with a high near 68. Chance of precipitation is 70%.

    Chance
    T-storms then
    Showers
    Likely

    High: 68 °F

  • Wednesday
    Night

    Wednesday Night: Showers likely, mainly before 1am.  Cloudy, with a low around 43. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 43 °F

  • Thursday

    Thursday: A slight chance of showers before 1pm.  Mostly cloudy, with a high near 53.

    Slight Chance
    Showers

    High: 53 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 40.

    Mostly Cloudy

    Low: 40 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 38. Northeast wind around 5 mph.
Monday
Sunny, with a high near 68. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Partly cloudy, with a low around 48. East southeast wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 73. South wind 10 to 15 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. South southeast wind around 10 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 68. Chance of precipitation is 70%.
Wednesday Night
Showers likely, mainly before 1am. Cloudy, with a low around 43. Chance of precipitation is 60%.
Thursday
A slight chance of showers before 1pm. Mostly cloudy, with a high near 53.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
A slight chance of showers. Mostly cloudy, with a high near 56.
Friday Night
A chance of showers. Mostly cloudy, with a low around 44.
Saturday
Showers likely. Cloudy, with a high near 60.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 48.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 66.
Click Map For Forecast
Point Forecast:
Grayslake IL
 42.35°N 88.02°W
11:18 pm CDT Apr 23, 2017
12am CDT Apr 24, 2017-6pm CDT Apr 29, 2017
 
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Additional Resources

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