A weak La Niña is expected to bring colder and wetter conditions to northern parts of the United States this winter, while the South may be warmer and drier than normal.
El Niño and La Niña are parts of a natural cycle of temperature changes in the Pacific Ocean. During La Niña, the ocean is cooler than normal, and El Niño is when the temperatures are warmer than normal.
Last winter — the warmest on record — was affected by El Niño and many areas had much less snowfall than normal.
Looking ahead, here’s what you can expect over the next few days:
How does this year compare to the previous 10 years? The map below shows where there has been more or less snow than average.
