Add Yahoo as a preferred source to see more of our stories on Google. Arctic air will be in place in Pennsylvania on Sunday and if there is any precipitation it will be all snow. There is a ...

Sign up for our Newsletters European model: tracks the storm farther offshore — likely a miss for the Susquehanna Valley. American model: stays closer to shore ...

The CPC outlook favors a slightly above-normal temperatures for DC, but with low confidence. Precipitation chances are split evenly between wetter and drier than average. Inland storm track may limit ...

Meteorologists frequently mention weather prediction models in their forecasts. They explain what they’re gleaning from the “U.S. Model,” for instance, and how that might differ from the “European ...