La Niña Advisory Predicts Winter Weather Patterns for 2025-2026

Washington, D.C. – A newly issued La Niña Advisory predicts that the cold-phase pattern of the El Niño-Southern Oscillation will persist through much of the 2025-26 winter season, according to the latest National Oceanic and Atmospheric Administration (NOAA) forecast.

The advisory indicates that regions in the northern United States may experience wetter and colder conditions while the southern areas face drier and warmer weather. NOAA’s predictions detail how this classic La Niña setup could influence different regions across the country.

In the Pacific Northwest and Northern Rockies, including Washington’s Cascades and Montana’s mountains, NOAA forecasts above-normal precipitation from November through January, leading to potentially one of the snowier winters in recent years. Ski areas such as Mt. Baker, Crystal Mountain, Schweitzer, and Big Sky are expected to benefit from frequent storm cycles.

In Northern California, while the northern parts are anticipated to receive above-average rainfall, the southern Sierra region forecasts a more neutral outlook, leaving less chance for significant snowfall.

Conversely, the southern Rockies, particularly Arizona and New Mexico, will likely see below-normal precipitation and warmer temperatures. Locations like Taos may experience fewer snow days this season, yet localized bursts of snow may still occur.

Areas from Idaho through northern Wyoming and Colorado’s mountainous regions are expected to experience cold and wet conditions. Jackson Hole, Steamboat, and Big Sky will likely thrive during weak-to-moderate La Niña events.

The Midwest and Great Lakes regions are also benefiting, with above-average precipitation, enhancing the prospects for stronger lake-effect snow. This could translate to increased natural snowfall for ski areas in Michigan, Wisconsin, and Minnesota.

In the Northeast and Mid-Atlantic, NOAA has given “equal chances” for above or below-normal conditions. Early winter may trend mild, but later in the season colder spells could bring stronger snow potential, especially for northern Vermont, New Hampshire, and Maine.

Alaska displays contrasting weather patterns. The Panhandle may be colder and drier, while the west coast and interior areas forecast above-average precipitation.

Overall, winter 2025-26 suggests a north-heavy pattern with stormier conditions in the Northwest, Northern Rockies, and Great Lakes, while the south will face warmth and dryness. NOAA anticipates that cold intrusions from the Arctic could lead to strong midwinter snow events across northern states, providing ideal conditions for powder enthusiasts.