A blast of winter weather is set to bring snowfall and subfreezing wind chills across the Midwest and East Coast as well as near-freezing temperatures in parts of the South, including Florida.

Temperatures in Las Vegas dip down into the upper 30s overnight Saturday into Sunday, where we'll see chilly highs in the mid to upper 50s. Calm conditions with temps in the 60s next week.

Now comes even more frigid weather in the U.S. Midwest. Extreme cold with near-zero degree wind chills descended upon parts of Iowa, Nebraska, Minnesota and Wisconsin, forecasters said Tuesday, even as utilities worked to restore power to thousands of ...