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

Strong to Severe Thunderstorms for Portions of the Midwest into the Great Lakes; Dangerous Heat for Midwest into Mid-Atlantic

Severe thunderstorms and heavy rain will be possible primarily across the Great Lakes region and portions of the Midwest. Dangerous heat will affect the Midwest into the Mid-Atlantic where several new high records are forecast. Monsoonal moisture may produce heavy rainfall and isolated flash flooding in the Southwest and Southern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

82°F

28°C

Humidity 77%
Wind Speed SW 8 mph
Barometer 30.00 in (1014.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 26 Aug 11:51 pm CDT
Extended Forecast for

Lakemoor IL

Excessive Heat Warning August 27, 12:00pm until August 27, 10:00pm
Click here for hazard details and duration
Excessive Heat Warning

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 75. South southwest wind around 5 mph.

    Low: 75 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 95. Heat index values as high as 110. West southwest wind 5 to 10 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70. South southwest wind around 5 mph becoming north northwest in the evening.

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers before 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 75. South southwest wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 95. Heat index values as high as 110. West southwest wind 5 to 10 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70. South southwest wind around 5 mph becoming north northwest in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Friday
A chance of showers before 1pm. Partly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 54.
Labor Day
Mostly sunny, with a high near 73.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Lakemoor IL
 42.34°N 88.2°W
Last Update:
8:57 pm CDT Aug 26, 2024
Forecast Valid:
12am CDT Aug 27, 2024-6pm CDT Sep 2, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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