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 Expect some wraparound and lake-effect snow showers to continue over the eastern Great Lakes as well as the northern and central Appalachians. Northern New England can expect rain and snow to diminish by midday, but cold northwest winds 20 to 30 mph will continue. These winds will likely to drop wind chill values to single digits.
Moving to the West, much-needed precipitation finally arrives in the Northwest as a strong Pacific system moves ashore. This system is expected to bring abundant rain to the Pacific Northwest, with heavy snow possible in the Cascades and northern Rockies. Total rainfall is forecast to be 3 to 5 inches along the Washington and Oregon coastal ranges and lower elevations of the Cascades. Precipitation coverage is expected to reach as far south as northwestern California and eastward across the northern Rockies Wednesday.
Around midday, a warm front will reach the northern Plains and bring a mix of snow and freezing rain to northern Dakota. By evening, snowfall is expected to spread across Dakota and Minnesota and continue through the
upper Midwest into Thursday.
Temperatures in the Lower 48 states Tuesday ranged from a morning low of
minus 9 degrees at Grants-Milan, N.M., to a high of 84 degrees at Fort Lauderdale, Fla.
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