Increasing Risk for Flash and River Flooding Through the Weekend

A storm system will track across the central U.S. and set the stage for severe thunderstorms and widespread heavy rainfall through the weekend. There will be a threat for flash and river flooding for portions of the Southern Plains into the Upper Midwest.
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For More Weather Information:

Chicago, IL Local Forecast Office

10NM SE Chicago IL

Marine Point Forecast

[NOTICE]
  • Late
    Afternoon

    Slight Chc Showers

    NE 10kt
    2ft

    High: 49 °F
    Water: 39 °F

  • Tonight

    Chance Showers

    NNE 15kt
    Waves Building5ft

    Low: 45 °F

    Small Craft Advisory
    Small Craft Advisory

  • Saturday

    Showers

    NNE 20kt
    5-7ft

    High: 45 °F

    Small Craft Advisory
    Small Craft Advisory

  • Saturday
    Night

    Showers

    NE 20kt
    5-7ft

    Low: 45 °F

    Small Craft Advisory
    Small Craft Advisory

  • Sunday

    Showers

    E 10kt
    3-5ft

    High: 56 °F

    Small Craft Advisory
    Small Craft Advisory

  • Sunday
    Night

    Showers

    S 10kt
    3ft

    Low: 52 °F

  • Monday

    Chance Showers

    SSW 20kt
    2-3ft

    High: 56 °F

  • Monday
    Night

    Chance Showers

    WSW 20kt
    2ft

    Low: 43 °F

  • Tuesday

    Partly Sunny

    W 20kt
    2ft

    High: 55 °F


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:17 pm CDT Apr 28, 2017
Forecast Valid: 5pm CDT Apr 28, 2017-6pm CDT May 5, 2017

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Detailed Forecast

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS, WHICH IS THE AVERAGE 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.

Late Afternoon
NE wind around 10 kt. A slight chance of showers. Waves around 2 ft.
Tonight
NNE wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers, mainly before 8pm. Waves 2 ft building to 5 ft.
Saturday
NNE wind around 20 kt, with gusts as high as 30 kt. Showers, with thunderstorms also possible after 4pm. Waves 5 to 7 ft. occasionally to 9ft.
Saturday Night
NE wind 10 to 20 kt, with gusts as high as 30 kt. Showers and possibly a thunderstorm. Waves 5 to 7 ft. occasionally to 9ft.
Sunday
E wind 5 to 10 kt, with gusts as high as 15 kt. Showers and possibly a thunderstorm. Waves 3 to 5 ft.
Sunday Night
ESE wind around 10 kt becoming S after midnight. Winds could gust as high as 15 kt. Showers and possibly a thunderstorm before 1am, then showers likely. Waves around 3 ft.
Monday
SSW wind 15 to 20 kt, with gusts as high as 30 kt. A chance of showers. Waves 2 to 3 ft.
Monday Night
WSW wind around 20 kt, with gusts as high as 25 kt. A chance of showers. Waves around 2 ft.
Tuesday
W wind 15 to 20 kt, with gusts as high as 30 kt. Partly sunny. Waves around 2 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: 4:17 pm CDT Apr 28, 2017
Forecast Valid: 5pm CDT Apr 28, 2017-6pm CDT May 5, 2017
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