National Weather Summary for December 11,2013 from weatherunderground.com

Weather Underground midday recap for Wednesday,December 11,2013

Another cold morning greeted much of the West as cold air continued to provide minimum temps well below freezing for lower elevations. Morning temperatures for the Central Valley of California cooled into the 20s for some locations, and Hard Freeze Warnings warned of temperatures below freezing for several hours. This current cold snap has taken a toll on the citrus crop in California, but warmer temperatures were on their way over the next several days.

Meanwhile, snowy weather progressed through parts of the Midwest as a front produced light to moderate snowfall through the Ohio Valley. The cold air associated with this snowfall was enough to instigate Wind Chill Advisories for this evening into Thursday from northern Minnesota through northern Illinois.

In fact, much of the country remained below normal, with afternoon temperatures in the 40s and 50s as far south as Texas and parts of the Southeast. Temperatures rose into the 20s and 30s in the Northeast, while the Southeast saw temperatures as warm as the 80 for Florida. The Northwest rose into the 20s and 30s, while the Southwest saw temperatures in the 40s, 50s, and 60s.