A powerful winter storm system could become a "bomb cyclone" over the Great Lakes and Northeast regions this week.

Millions of Americans live in areas under winter storm alerts stretching from northern Minnesota to the Eastern Seaboard.

NOAA is using those traditional forecasting models as frameworks for its new AI forecasting systems. The agency has estimated ...

We've issued a First Alert Weather Day for Friday evening into Saturday morning due to accumulating snow that could be heavy ...

Christmas Day in the Philadelphia area will feature plenty of sunshine with highs in the mid-upper 40s. The winds will be ...

More severe weather is forecast for an already soaked California, raising risk of additional mudslides and debris flows.