Powerful Storm to Impact Eastern Third of U.S. this weekend.

A developing storm system will bring a myriad of significant impacts this weekend. Heavy snow up to 18 inches from the Ohio Valley to the Northeast, and ice up to a quarter of an inch is forecast in places. Heavy rain may cause flash flooding from the Mid-South to the Mid-Atlantic. Severe thunderstorms with damaging winds and isolated tornadoes will be possible in the Deep South.
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For More Weather Information:

Chicago, IL Local Forecast Office

6NM ESE Chicago IL

Marine Point Forecast

[NOTICE]
  • Overnight

    Heavy Snow

    ENE 25kt
    5-6ft

    Low: 30 °F
    Water: 34 °F

    Small Craft Advisory
    Small Craft Advisory

  • Saturday

    Snow

    NNE 25kt
    7-8ft

    High: 29 °FFalling Temperatures

    Small Craft Advisory
    Small Craft Advisory

  • Saturday
    Night

    Heavy Snow

    NNE 25kt
    6-8ft

    Low: 17 °F

    Small Craft Advisory
    Small Craft Advisory

  • Sunday

    Snow

    NNW 15kt
    6ftWaves Subsiding

    High: 19 °F

    Small Craft Advisory
    Small Craft Advisory

  • Sunday
    Night

    Slight Chc Snow

    NNW 10kt
    2-3ft

    Low: 11 °F

  • M.L.King
    Day

    Partly Sunny

    SSE 15kt
    2-3ft

    High: 18 °F

  • Monday
    Night

    Mostly Cloudy

    SSE 15kt
    3ft

    Low: 18 °F

  • Tuesday

    Rain/Snow

    S 15kt
    2ft

    High: 38 °F

  • Tuesday
    Night

    Rain/Snow Likely

    S 15kt
    1-2ft

    Low: 24 °F


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:15 am CST Jan 19, 2019
Forecast Valid: 2am CST Jan 19, 2019-6pm CST Jan 25, 2019

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Detailed Forecast

Overnight
ENE wind 20 to 25 kt, with gusts as high as 30 kt. Snow. The snow could be heavy at times. Waves 5 to 6 ft. occasionally to 8ft.
Saturday
NNE wind around 25 kt, with gusts as high as 35 kt. Snow, mainly before 5pm. Waves 7 to 8 ft. occasionally to 10ft.
Saturday Night
NNE wind 15 to 25 kt, with gusts as high as 35 kt. Snow showers, mainly after 9pm. The snow could be heavy at times. Waves 6 to 8 ft. occasionally to 10ft.
Sunday
NNW wind 10 to 15 kt. Snow showers, mainly before noon. Waves 6 ft subsiding to 3 ft.
Sunday Night
NNW wind around 10 kt becoming SE after midnight. A slight chance of snow before midnight. Waves 2 to 3 ft.
M.L.King Day
SSE wind 10 to 15 kt. Partly sunny. Waves 2 to 3 ft.
Monday Night
SSE wind around 15 kt, with gusts as high as 20 kt. Mostly cloudy. Waves around 3 ft.
Tuesday
S wind around 15 kt, with gusts as high as 20 kt. Rain and snow. Waves around 2 ft.
Tuesday Night
S wind 10 to 15 kt becoming WNW after midnight. Winds could gust as high as 20 kt. Rain and snow likely. Waves 1 to 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: 41.81°N 87.56°W
Last Update: 1:15 am CST Jan 19, 2019
Forecast Valid: 2am CST Jan 19, 2019-6pm CST Jan 25, 2019
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