Heavy Rain and Mountain Snow This Week Northwest To Rockies; Heavy Rain May Bring Flooding to Portions of the East Late Week

At least two storm systems will batter the Pacific Northwest into the northern Rockies this week with heavy rain and mountain snow. The first system may bring as much as two feet of snow to the northern Cascades through Wednesday. This first system will then move over the central US by late week and bring heavy to excessive rain to portions of the south and east Thursday into this weekend.
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Chicago, IL Local Forecast Office

12NM E Chicago IL

Marine Point Forecast

[NOTICE]
  • Today

    Sunny

    WSW 25km/hWinds Decreasing
    < 1m

    High: 3 °C

  • Tonight

    Increasing Clouds

    Winds IncreasingSSE 30km/h
    < 1m

    Low: 1 °C

  • Wednesday

    Chance Rain/Snow

    S 35km/h
    < 1m

    High: 4 °C

  • Wednesday
    Night

    Mostly Cloudy

    WSW 25km/hWinds Decreasing
    < 1m

    Low: -1 °C

  • Thursday

    Chance Rain

    SE 20km/h
    < 1m

    High: 5 °C

  • Thursday
    Night

    Rain

    SE 20km/h
    < 1m

    Low: 3 °C

  • Friday

    Rain

    NNE 20km/h
    < 1m

    High: 6 °C

  • Friday
    Night

    Chance Rain/Snow

    Winds IncreasingN 35km/h
    1-2m

    Low: 2 °C

  • Saturday

    Chance Rain/Snow

    N 35km/h
    1-2m

    High: 5 °C


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:26 am CST Dec 11, 2018
Forecast Valid: 10am CST Dec 11, 2018-6pm CST Dec 17, 2018

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Detailed Forecast

Today
WSW wind 20 to 25 km/h decreasing to 10 to 15 km/h in the afternoon. Winds could gust as high as 35 km/h. Sunny. Waves 1 m or less.
Tonight
SW wind 10 to 20 km/h becoming SSE 20 to 30 km/h. Winds could gust as high as 35 km/h. Increasing clouds. Waves 1 m or less.
Wednesday
SSE wind 25 to 35 km/h becoming WSW in the afternoon. Winds could gust as high as 45 km/h. A chance of rain and snow before noon, then a slight chance of rain between noon and 3pm. Waves 1 m or less.
Wednesday Night
WSW wind 20 to 25 km/h becoming SSW 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h. Mostly cloudy. Waves 1 m or less.
Thursday
S wind 10 to 20 km/h becoming ESE in the afternoon. Winds could gust as high as 30 km/h. A chance of rain after noon. Waves 1 m or less.
Thursday Night
SE wind 15 to 20 km/h, with gusts as high as 35 km/h. Rain. Waves 1 m or less.
Friday
SE wind 15 to 20 km/h becoming NNE in the afternoon. Winds could gust as high as 30 km/h. Rain, mainly before noon. Waves 1 m or less.
Friday Night
N wind 20 to 25 km/h increasing to 30 to 35 km/h after midnight. Winds could gust as high as 50 km/h. A chance of rain and snow. Waves 1 to 2 m.
Saturday
N wind 30 to 35 km/h, with gusts as high as 50 km/h. A chance of rain and snow. 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: 7:26 am CST Dec 11, 2018
Forecast Valid: 10am CST Dec 11, 2018-6pm CST Dec 17, 2018
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