A 'Super El Niño' Is on the Cards
This winter, the dominant global weather story is a strengthening El Niño. This phenomenon involves the warming of surface waters in the eastern Pacific Ocean, which can disrupt weather patterns worldwide. Forecasts for the 2026-2027 winter season indicate
a greater than 90% chance of a "very strong" El Niño, potentially even reaching historic levels. For travellers, this is significant. El Niño can alter storm tracks and temperature distributions across continents. While its effects vary by region, a strong event increases the likelihood of unusual weather, making it essential to monitor forecasts for your specific destination.
An Unstable Polar Vortex?
The polar vortex, a large area of cold air and strong winds that typically sits over the Arctic, is another critical factor. While it's a normal winter feature, its stability is not. Early forecasts for the 2026-2027 winter suggest that the vortex, after a strong start, could weaken or be disrupted around mid-winter, particularly in January and February 2027. When this happens, frigid Arctic air can spill southwards into North America and Europe, leading to sudden and severe cold snaps, blizzards, and heavy snowfall. This potential for instability means travellers should be prepared for sudden and extreme cold spells, even in regions that might otherwise expect a milder winter.
What This Means for Europe
Europe's winter is notoriously difficult to predict, as the influence of phenomena like El Niño is less direct than in North America. However, a strong El Niño combined with an unstable polar vortex could lead to a season of contrasts. Some models suggest a wetter-than-average winter for parts of the continent. For those planning a ski trip to the Alps, the impact of El Niño on snowfall can swing either way, though the increased atmospheric moisture could theoretically lead to heavier snow when temperatures are low enough. However, a southward plunge of the polar vortex could also bring periods of intense cold to northern and central Europe.
Outlook for North America
In North America, the effects are often more pronounced. A strong El Niño typically redirects the jet stream, leading to different outcomes for different regions. For winter 2026-2027, forecasts suggest a warmer and wetter winter for areas in the Intermountain West, including parts of Colorado, which could mean above-normal snowfall for ski resorts there. Conversely, the southern United States often experiences warmer and drier conditions during an El Niño winter. The wildcard remains the polar vortex. If it destabilizes, it could override the typical El Niño pattern, bringing widespread Arctic cold and snowstorms to the northern and eastern parts of the continent.
Don't Forget Domestic Travel Factors
For those planning trips within India, winter brings its own set of predictable challenges. The northern plains, including cities like Delhi, are prone to dense fog, which can severely disrupt flight and train schedules, especially from late December through January. The India Meteorological Department (IMD) regularly issues fog and cold wave alerts during this period. While southern India enjoys mild and pleasant weather perfect for beach holidays in Goa or exploring Kerala's backwaters, trips to Himalayan destinations like Shimla or Manali require serious preparation for cold and potential heavy snowfall.
