Imagine trying to predict wind patterns as air flows across a landscape. It's a straightforward task over a flat plain—but ...

And if you're dreaming of a white Christmas, the ultra-long-range Climate Forecast System model, which offers forecasts a ...

Winter weather presents its own unique challenges: dealing with many details, including timing and precipitation type.

The forecast for Sunday through much of next week is very much uncertain as the various computer models show a 30 degree ...