National Weather Summary for February 24,2014 from weatherunderground.com

Weather Underground midday recap for Monday,February 24,2014

An onshore flow continued to fuel an active weather system across the Northwest on Monday, while a cold frontal boundary extended across the southern Plains and the Gulf of Mexico.

A wave of low pressure moved across the Pacific Northwest on Monday, as active weather continued to push across the region. This system ushered rainy weather over western Washington and northwestern Oregon, as Shelton, Wash., reported a midday total of 0.53 inches of rain. Winter storm warnings and winter weather advisories were issued across the Cascades and the Rockies as moderate to heavy snow moved across higher elevations. Missoula, Mont., reported a midday total of 10.6 inches of snow, while Sanders, Mont., reported a midday total of 10.0 inches of snow. High pressure along the coast of California kept the Southwest warm and dry, as Phoenix, Ariz., recorded a midday high of 78 degrees.

A separate area of low pressure drove snow showers across the northern Plains and the upper Midwest on Monday, while cold, blustery conditions swept across the region. Langdon, N.D., recorded a morning low of -16 degrees, while Staples, Minn., recorded a morning low of -14 degrees. Meanwhile, a cold front stretched across southern Texas and the Gulf of Mexico, which began to trigger thunderstorms along the western Gulf Coast.

Most of the East Coast stayed clear of precipitation, although scattered snow showers pushed across the Northeast. The Southeast experienced warm, muggy conditions, as Homestead Air Force Base, Fla., recorded a midday high of 86 degrees.