Summary (tl;dr)

"Snow" is trending due to a combination of extreme weather events in the Southern Hemisphere, including rare snowfalls in New Zealand and historic blizzards in the Andes, alongside ongoing discussions about a severe snow drought linked to climate change in the Western United States.

Essential Background

The current global climate is influenced by an intensifying El Niño, a phenomenon characterized by warmer-than-average sea surface temperatures in the equatorial Pacific, which can significantly alter weather patterns worldwide. While the Northern Hemisphere is experiencing summer, the Southern Hemisphere is in its winter season. Recent research has also highlighted a severe snow drought in the Western United States during the spring of 2026, which scientists have linked to human-caused climate change.

The Full Story

An unusual Antarctic cold snap has brought rare and significant snowfall to New Zealand this week, causing "snow" to trend. Wellington, the capital, experienced snow for the first time in 15 years, while residents in southern cities like Dunedin and Christchurch saw substantial snowfall, with some even skiing down streets. Temperatures plummeted, reaching as low as -9°C in parts of the South Island, leading to highway closures and thick hail storms on the North Island's east coast.

Concurrently, South America's Andes region experienced one of its most massive snowstorms on record in July 2026, with Chilean resorts like Portillo receiving over 213 inches (17 feet) of snow in just two weeks, an event linked to the powerful El Niño. This historic accumulation transformed the mountains into a winter wonderland but also led to mudslides and floods at lower elevations, prompting emergency declarations in several Chilean regions.

Meanwhile, the Australian Alps are bracing for what is expected to be the biggest snowfall of their winter season, with forecasts predicting over half a meter of fresh snow at higher elevations in southeastern Australia, including resorts in New South Wales and Victoria. This comes after a generally below-average snow season for Australia through June and July.

These current extreme weather events, particularly the unseasonal and heavy snowfalls, contrast with ongoing concerns about the long-term impact of climate change on snow patterns, exemplified by the severe 2026 snow drought in the Western United States, which was found to be approximately four times more likely due to modern climate conditions.

Why It Matters

The trending "snow" keyword reflects the dramatic and often contradictory impacts of global climate patterns and climate change. The extreme snowfall events in New Zealand and the Andes highlight the volatility and intensity of weather phenomena exacerbated by El Niño and cold air masses, leading to both recreational opportunities and significant disruption to daily life and infrastructure. Record electricity use in New Zealand during the cold snap also underscores the pressure on energy systems.

Conversely, the reported snow drought in the Western U.S. earlier in 2026 serves as a stark reminder of how climate change is altering crucial natural water reservoirs, increasing wildfire risk, and impacting water availability for millions, indicating a future where such low snow conditions could become the norm if greenhouse gas emissions are not reduced. These contrasting events underscore the complex and far-reaching implications of a changing climate on global weather, water resources, and human societies.

Geographic Location

• Wellington, Wellington Region, New Zealand (snow fell for the first time in 15 years)
• Dunedin, Otago Region, New Zealand (snow blanketed the city and allowed for skiing on streets)
• Christchurch, Canterbury Region, New Zealand (experienced a dusting of snow and an aborted airport landing)
• South Island, New Zealand (experienced an Antarctic cold snap with temperatures reaching -9°C and highway closures)
• Portillo, Valparaíso Region, Chile (received record-breaking snowfall of over 12 feet in two weeks)
• Valle Nevado, Santiago Metropolitan Region, Chile (received up to 6.5 feet of snow)
• Las Leñas, Mendoza Province, Argentina (slammed with heavy snow)
• Andes mountain range, Chile and Argentina (impacted by a historic winter blizzard)
• Australian Alps, New South Wales and Victoria, Australia (forecasted to receive over half a meter of fresh snow)
• Western United States, United States (experienced a severe snow drought in spring 2026)
• Upper Colorado River Basin, Western United States (affected by a severe snow drought impacting water supply)