El Niño does not guarantee that it will happen. It just opens the door.

A particularly strong El Nino season can also shift the Pacific jet stream, leading to more winter storms over California and ...

State climatologist Russ Schumacher says El Niño conditions suggest an active monsoon season for Colorado this year.

NOAA predicts a 63% chance of a super El Niño this winter, which could bring more snow and rain for drought-stricken Colorado ...

Welcome rain May 4 was just a prelude to what the National Weather Service is forecasting. A potent soggy storm that is intensifying has prompted the weather service to expand its winter storm warning ...

A snowstorm hitting the Rocky Mountains this week could end up being the biggest of the season, forecasters said. More than 10 inches fell in Boulder. By Amy Graff and Alexandra E. Petri Amy Graff is ...

A quick swing in Colorado's weather will bring springlike warmth on Thursday before a colder storm delivers snow to parts of the state on Friday. Because of the expected snow and colder temperatures, ...