Significant Snowfall for Washington Cascades and Northern Rocky Mountains

A cold front will linger for several days from the Pacific Northwest to portions of the northern Plains early this week. Cold temperatures and copious moisture will combine to produce several feet of snow into the mountain passes, with up to 4 feet of snow down to 4000 feet in the northern Rockies. Travel through mountain passes will be very difficult.
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Coastal Waters Forecast for Wind Point WI to Winthrop Harbor IL (LMZ646) (Text-Only)
NWS Forecast for: Wind Point WI to Winthrop Harbor IL (LMZ646)
Issued by: National Weather Service Milwaukee, WI
Last Update: 305 AM CST Mon Dec 18 2017




Early This Morning: West wind 5 to 10 knots. Cloudy with a 50 percent chance of rain. Patchy fog. Waves nearly calm.

Today: West wind 10 to 15 knots backing southwest with gusts to around 25 knots late in the afternoon. Chance of rain in the morning. Patchy fog in the morning. Waves around 1 foot.

Tonight: Southwest wind 15 to 20 knots. Gusts up to 30 knots. Partly cloudy. Waves 1 to 2 feet building to 2 to 4 feet in the late evening and early morning, then subsiding to 1 to 2 feet early in the morning.

Tuesday: West wind 15 to 20 knots easing to 10 to 15 knots late in the afternoon. Gusts up to 25 knots. Sunny. Waves 1 to 2 feet.

Tuesday Night: West wind 15 to 20 knots veering northwest late in the evening, then easing to 10 to 15 knots after midnight becoming northwest 10 to 15 knots early in the morning. Gusts up to 25 knots. Clear through around midnight then becoming partly cloudy. Waves 1 to 2 feet. wave heights are for ice free areas.



Zone Forecast: Wind Point WI to Winthrop Harbor IL (LMZ646)

Visit your local NWS office at: http://www.crh.noaa.gov/mkx