First predicted to form last summer, climate troublemaker La Niña has developed at last, federal climate scientists announced Thursday morning. However, the pattern is a weak one, and isn't supposed ...

KANSAS CITY — A notable, early-season stratospheric warming event that occurred in mid-November brought widespread snow and much colder temperatures to Canada and the north-central and eastern ...

Temperature and precipitation patterns varied sharply across the country with eyes on Northwest, according to the U.S.

High pressure keeps Idaho dry through Wednesday with temperature inversions. Wet pattern returns for New Year with mild ...

Despite persistent warm temperatures across much of the country and widespread drought, winter is approaching. Unlike recent El Niño-dominated years, this season's forecast features a weak La Niña, ...

Hurricane forecasters are carefully watching ocean temperatures in the Pacific Ocean for changes that signal El Niño or La Niña, major global climate patterns that affect hurricane season outlooks. On ...

The world is again feeling the effects of La Niña, a climate pattern that cools parts of the Pacific Ocean and alters weather worldwide. This fifth La Niña in six years is straining food systems, ...

Monday brings a pattern shift with snow and rain expected into the week ahead. Find out the details right here.

After the prior week’s beneficial precipitation, low precipitation totals this past week allowed for broad areas of intensification or re-intensification of dryness and drought over parts of the High ...

Shifts in the frequency and magnitude of rain events (precipitation patterns) associated with climate change may impact ecosystem nitrogen and carbon cycling through effects on plant physiology and ...