Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend.
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Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

10NM SE Chicago IL

Marine Point Forecast

[NOTICE]
  • Overnight

    Haze

    S 10kt
    1ft

    Low: 77 °F
    Water: 54 °F

  • Sunday

    Chance Thunderstorms

    SW 15kt
    1ft

    High: 91 °F

  • Sunday
    Night

    Chance Thunderstorms

    SW 10kt
    1ft

    Low: 73 °F

  • Monday

    Mostly Sunny

    ENE 10kt
    1-2ft

    High: 81 °F

  • Monday
    Night

    Mostly Clear

    Light Wind
    1-2ft

    Low: 71 °F

  • Tuesday

    Sunny

    Light Wind
    1ft

    High: 78 °F

  • Tuesday
    Night

    Partly Cloudy

    Light Wind
    1ft

    Low: 71 °F

  • Wednesday

    Slight Chc Showers

    Light Wind
    1ft

    High: 82 °F

  • Wednesday
    Night

    Chance Thunderstorms

    Light Wind
    1ft

    Low: 71 °F


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:17 am CDT Jul 24, 2016
Forecast Valid: 3am CDT Jul 24, 2016-6pm CDT Jul 30, 2016

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Detailed Forecast

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES WHICH WILL OCCASIONALLY BE ENCOUNTERED.

Overnight
S wind around 10 kt. Widespread haze. Waves around 1 ft.
Sunday
SW wind 10 to 15 kt. A chance of showers and thunderstorms after 10am. Widespread haze before 10am. Waves around 1 ft.
Sunday Night
SW wind 5 to 10 kt becoming NNW after midnight. A chance of showers and thunderstorms. Waves around 1 ft.
Monday
NW wind 5 to 10 kt becoming ENE in the afternoon. Mostly sunny. Waves 1 to 2 ft.
Monday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 to 2 ft.
Tuesday
Variable winds 5 kt or less. Sunny. Waves around 1 ft.
Tuesday Night
Variable winds 5 kt or less. Partly cloudy. Waves around 1 ft.
Wednesday
Variable winds 5 kt or less. A slight chance of showers. Waves around 1 ft.
Wednesday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves around 1 ft.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 41.72°N 87.51°W
Last Update: 1:17 am CDT Jul 24, 2016
Forecast Valid: 3am CDT Jul 24, 2016-6pm CDT Jul 30, 2016
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