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Updated: 5:00 PM GMT on March 31, 2015
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Weather Underground Forecast for Tuesday, March 31, 2015

Wet weather continues moving through the Great Lakes and Midwest on Tuesday, while scattered rain showers spread across the Northwestern corner of the nation. A trough of low pressure is expected to slide southeastward from the upper Midwest and across the Midwest and Great Lakes on Tuesday. This system has limited moisture associated with it, but will likely produce scattered rain showers that will spread across Michigan, Ohio, and into southern New England by Tuesday night. At the same time, a weak cold front extends south from this system and will move across the lower Mississippi Valley and Tennessee Valley throughout the day. Expect scattered showers with possible thunderstorm development for these areas Tuesday afternoon and evening.

Meanwhile out West, a strong low pressure system moves into western Canada and creates a strong cold front that pulls abundant moisture onshore from the Pacific Ocean. This system will produce moderate rain showers for northwestern Washington early on Tuesday. As this frontal boundary advances eastward throughout the day, expect rain showers to spread eastward over the Intermountain West and into the northern Rockies by Tuesday evening. The rest of the West Coast and Southwest will remain dry as high pressure remains the dominant weather feature.

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