In the past week, the National Oceanic and Atmospheric Administration (NOAA) issued a La Niña Advisory . That advisory states there is a 55% chance of La Niña conditions lasting until February of 2026.

Starting in September, La Niña conditions emerged out of "neutral" conditions that lasted through the summer months.

When it comes to snowfall outlooks for the 2025/2026 Winter Season, the presence of La Niña may foreshadow some promising precipitation & temperature trends for southern and central Idaho, which is welcome news for skiers, snowboarders, and water managers alike.

Tal Roberts

But what exactly is La Niña, and what does it mean for winters in Idaho?

What is La Niña?

According to NOAA, "La Niña is characterized by unusually cold ocean temperatures in the Equatorial Paci

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