The nation's weather

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Weather Underground midday recap for Friday, January 25, 2013.

Wet and snowy conditions spread across the Eastern Valleys and Great Lakes, while rain showers persisted in the Southwest and Northwest on Friday. A low pressure system over the Southeast advanced northeastward over the Eastern Valleys and cold temperatures over the region allowed for scattered snow showers develop across the Mid-Atlantic states and Northeast. At the same time, another low pressure system moved into the Great Lakes from the Northern Plains. Warmer temperatures along the southern side of this system allowed for freezing rain and rain showers to spread across the Tennessee Valley and into the Carolinas. Snowfall totals ranged from 3 to 5 inches from Wisconsin through Pennsylvania, with 1 to 2 inches across the Virginias. Ice accumulation over the Tennessee Valley reached over a quarter of an inch, which created dangerous roads and travel conditions.

Meanwhile, out West, two weather systems created active weather for the West Coast. In the south, a low pressure system off the coast of southern California advanced eastward and pushed abundant moisture onshore. This kicked up scattered showers across the Desert Southwest. To the north, a low pressure system and associated cold front moved in from the Gulf of Alaska, which created scattered rain showers with high elevation snow showers as it moved over the Pacific Northwest and into northern California.

Temperatures in the Lower 48 states Friday have ranged from a morning low of -18 degrees at Saranac Lake, N.Y. to a midday high of 86 degrees at Alice, Texas