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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Hazardous Weather Conditions

Last Update: 420 AM CST Mon Dec 18 2017

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Houston, TX Local Forecast Office

19NM SSE Matagorda TX

Marine Zone Forecast


Synopsis: Light to moderate east winds will prevail today with the direction becoming a bit more southeast tonight. The potential for sea fog development will remain in place for the bays and nearshore waters today and Tuesday. The passage of a warm front from the coastal waters inland today will help the formation of isolated to scattered showers will be possible through Tuesday. The next cold front is forecast to push off the coast Tuesday night into early Wednesday.

Today
East winds around 10 knots. Seas 2 to 3 feet. Patchy fog in the morning, then areas of fog in the afternoon. Showers likely in the morning, then a chance of showers in the afternoon.
Tonight
East winds around 10 knots becoming southeast after midnight. Seas 2 to 3 feet. Areas of fog. A slight chance of showers and isolated thunderstorms.
Tuesday
South winds 10 to 15 knots. Seas 2 to 3 feet. Areas of fog. A slight chance of showers in the morning. Isolated thunderstorms. A chance of showers in the afternoon.
Tuesday Night
Southwest winds 10 to 15 knots becoming northwest after midnight. Seas 2 to 3 feet. Areas of fog. A chance of showers and isolated thunderstorms.
Wednesday
Northwest winds 5 to 10 knots becoming west in the afternoon. Seas 2 to 3 feet.
Wednesday Night
South winds 5 to 10 knots. Seas 1 to 2 feet.
Thursday
South winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. A slight chance of showers.
Thursday Night
South winds 15 to 20 knots. Seas 2 to 4 feet.
Friday
South winds 15 to 20 knots. Seas 3 to 5 feet. A chance of showers.
Friday Night
West winds 15 to 20 knots becoming north 10 to 15 knots after midnight. Seas 3 to 5 feet. A chance of rain.
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ABOUT THIS FORECAST

Last Update: 420 AM CST Mon Dec 18 2017
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