A wet weather shift from Argentina and more recently central continent into Central/East Brazil initiates in the 6-10-day period according to the "most likely" mega-cluster ensemble. The wetter shift should remain in-place well through early meteorological summer 2025-26 while Argentina shifts drier.

An evolving strong negative Scandinavia (-SCAND) index develops over Northwest Eurasia the remainder of November causing a colder pattern-change most notable next week and possibly lingering to late month. -SCAND is the catalyst to expanding snow cover, well below normal now, but expanding across Scandinavia to the Baltic Region and much of Western Russia in 15 days.

Today’s week 4-6 outlook by ECM/CFS V2 consensus is slightly warmer than the 10-year normal while all AI models are considerably colder. The ECM/CFS V2 most closely matches the Climate Impact Company constructed analog (CIC-CA) forecast which favors cold North-central and warmth to the south.

Northern hemisphere snow cover as of November 10, 2025, has expanded across all of Russia (except southwest) and most of Canada. Snow cover is ahead of schedule Interior Northeast U.S., along the Northern China border, and West China. Snow cover will bias the local climate cold. Below normal snow cover is vividly present across Northeast Europe and Northwest Russia biasing the climate pattern warm although snow and cold is ahead for this zone.