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The nation's weather
Weather Underground Forecast for Friday, November 18, 2011.
The Northwestern US will remain wet and snowy on Friday, as a system stretches from the Pacific Northwest and into the Northern Plains. A trough of low pressure that has brought rain and heavy high elevation snow to the region will slightly advance southward, which will push a cold front southeastward. The front will start the day from the Dakotas to northern California, and will reach the Upper Midwest and Great Basin by evening. Expect more heavy rain and high elevation snow to develop across most of the West, while lighter snow showers will spread through the Dakotas and Upper Midwest. Overnight snow levels will drop to near 1,000 feet across the Cascades, while snow levels will drop to the valley floors for the Great Basin and Northern Rockies. Winter storm advisories remain in effect for these areas as 3 to 6 inches of snow are likely, up to 8 inches at highest mountain peaks. Wind advisories will also remain in effect as gusts up to 40 mph are likely, and up to 60 mph at high mountain passes. The Dakotas and Upper Midwest will see 1 to 2 inches of snow into the evening hours.
In the East, high pressure builds over most of the Eastern half of the nation. This allows for dry and seasonable weather to persist. However, the Great Lakes will see more lake effect snow showers along the downwind shores. Expect accumulation 2 inches. To the south, a frontal boundary will linger over Florida, allowing for more showers and thunderstorms to develop throughout the day. Temperatures in the Lower 48 states Thursday have ranged from a morning low of -5 degrees at Hallock, Minn. to a high of 86 degrees at Ft Pierce, Fla.