Excessive Heat Spreads East; Many Areas with Heavy Rain Threats

Hot and muggy conditions are forecast to continue across the Midwest and Northeast, while spreading eastward. A frontal boundary bringing very heavy rains to the Upper Midwest will sag southward bringing cooler temperatures to areas to the north, including the city of Chicago. Heavy rains will also be possible along the Texas Gulf Coast from a tropical disturbance.
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Coastal Waters Forecast for Northerly Island to Calumet Harbor IL (LMZ742) (Text-Only)
NWS Forecast for: Northerly Island to Calumet Harbor IL (LMZ742)
Issued by: National Weather Service Chicago, IL
Last Update: 911 PM CDT Sun Jun 17 2018
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Rest Of Tonight: Southwest winds 10 to 15 kt. Partly cloudy. Waves around 1 ft.

Monday: Southwest winds 10 to 20 kt becoming west in the afternoon, and shifting to north early in the evening. Chance of showers and thunderstorms. Waves 1 to 2 ft.

Monday Night: North winds 10 to 15 kt. Showers and thunderstorms likely. Waves 1 to 3 ft building to 2 to 4 ft.

Tuesday: Northeast winds 5 to 10 kt. Chance of showers and thunderstorms. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon.



Zone Forecast: Northerly Island to Calumet Harbor IL (LMZ742)

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