Weather Underground Forecast for Tuesday, Nov. 19, 2013
A cold frontal boundary will move over the Pacific Northwest on Tuesday, while a separate cold front will propagate off of the East Coast.
Stormy conditions will pick up over the Northwest corner of the country on Tuesday as a frontal boundary moves over the region. Showers can be expected across Washington, Oregon, Idaho, Nevada and northern California. Snowy conditions will impact the Cascades, the northern Rockies and the northern Sierra Nevadas on Tuesday. The Southwest will stay clear of wet weather as a high pressure system builds over Baja California.
A separate cold front will inch across the Intermountain West and the northern Plains on Tuesday. This front will interact with a warm southerly flow from the Gulf of Mexico to produce showers over the Mississippi Valley and parts of the southern Plains.
Meanwhile, a cold front will extend from southern Texas to Florida, which will produce showers and thunderstorms along the Gulf Coast. The remainder of the Southeast will stay clear of precipitation due to a high pressure system over the Carolinas. A cold, moist air mass will trek over the Great Lakes on Tuesday, providing snowy conditions to Michigan during the day. By Tuesday evening, snow showers will push across New York and parts of New England.
Temperatures in the Lower 48 states Monday have ranged from a morning low of 1 degrees at Stanley, Idaho to a high of 90 degrees at Zapata, Texas