Hazardous Summer Heat Continues For Several Spots

More summer heat is expected for parts of the western and southern U.S. this week. Excessive Heat Warnings are in effect for parts of the West, while Heat Advisories blanket the South. Record high temperatures are possible in the South this weekend well into next week, so this period of hazardous heat will be a prolonged one.
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Chicago, IL Local Forecast Office

12NM E Chicago IL

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Sunny

    N 20km/h
    1m

    High: 23 °C
    Water: 23 °C

  • Tonight

    Mostly Clear

    NNE 20km/h
    1m

    Low: 21 °C

  • Thursday

    Mostly Sunny

    SSE 20km/h
    1m

    High: 26 °C

  • Thursday
    Night

    Thunderstorms Likely

    SSE 30km/h
    1m

    Low: 21 °C

  • Friday

    Chance Thunderstorms

    S 25km/h
    1m

    High: 27 °C

  • Friday
    Night

    Chance Showers

    WSW 20km/h
    < 1m

    Low: 21 °C

  • Saturday

    Slight Chc Showers

    WNW 20km/h
    < 1m

    High: 24 °C

  • Saturday
    Night

    Chance Showers

    NNW 25km/h
    1m

    Low: 20 °C

  • Sunday

    Chance Showers

    NNW 30km/h
    1-2m

    High: 23 °C


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:16 am CDT Jul 18, 2018
Forecast Valid: 12pm CDT Jul 18, 2018-6pm CDT Jul 24, 2018

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Detailed Forecast

This Afternoon
N wind around 20 km/h, with gusts as high as 25 km/h. Sunny. Waves around 1 m.
Tonight
NNE wind 15 to 20 km/h becoming ESE after midnight. Winds could gust as high as 25 km/h. Mostly clear. Waves around 1 m.
Thursday
SSE wind 15 to 20 km/h, with gusts as high as 25 km/h. Mostly sunny. Waves around 1 m.
Thursday Night
SSE wind 20 to 30 km/h, with gusts as high as 35 km/h. Showers and thunderstorms likely, mainly after 1am. Waves around 1 m.
Friday
S wind 20 to 25 km/h becoming WSW in the afternoon. Winds could gust as high as 35 km/h. A chance of showers and thunderstorms. Waves around 1 m.
Friday Night
WSW wind 15 to 20 km/h, with gusts as high as 25 km/h. A chance of showers and thunderstorms before 1am, then a slight chance of showers. Waves 1 m or less.
Saturday
WNW wind 15 to 20 km/h, with gusts as high as 25 km/h. A slight chance of showers after 1pm. Waves 1 m or less.
Saturday Night
NNW wind around 25 km/h, with gusts as high as 35 km/h. A chance of showers. Waves around 1 m.
Sunday
NNW wind 25 to 30 km/h, with gusts as high as 40 km/h. A chance of showers. Waves 1 to 2 m.

*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: 41.87°N 87.41°W
Last Update: 10:16 am CDT Jul 18, 2018
Forecast Valid: 12pm CDT Jul 18, 2018-6pm CDT Jul 24, 2018
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