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Weather Underground Forecast for Friday, October 31, 2014

A cold front will move across the West Coast on Friday, while a trough of low pressure affect the eastern third of the country.

A strong cold front is expected to shift over the West Coast on Friday. This system will bring much needed rain to portions of central and northern California, including high elevation snow showers for the Sierra Nevada. Heavy rain will also develop over the Pacific Northwest, while the higher elevations of the Cascades will experience another round of snow showers. Late evening showers will be possible over southwest California, while the Desert Southwest and the Great Basin will stay mostly clear of precipitation. Temperatures are forecast to drop 10 to 20 degrees as this cold front ushers a cooler air mass over the West Coast.

Meanwhile, a strong low pressure system will dip southeastward over the Great Lakes and the upper Midwest on Friday. This system will bring a mixture of rain and snow to the Great Lakes, the Ohio Valley and the higher elevations of the central Appalachians. Late afternoon and evening rain will spread across the northern Mid-Atlantic and New England, while scattered showers and thunderstorms will be possible over the southern Mid-Atlantic and the Southeast. The central third of the country will continue to experience cool, dry conditions due to a large high pressure system over the Plains and the Mississippi Valley. Temperatures will range between the 30s and 40s from the northern Plains to the upper Mississippi Valley.


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