The weather will get warmer from February 4th to 6th. But be careful of melting snow. On February 7th, it will be very cold again. There may be heavy snow.
From February 4th to 6th, temperatures will rise, especially in eastern and western Japan, but be cautious of avalanches and rapid snowmelt in areas with heavy snow accumulation. This brief respite from the cold will be followed by another cold air mass moving in around February 7th and 8th, bringing with it the possibility of heavy snowfall again.
A temporary reprieve from the cold is anticipated from February 4th to 6th, with milder temperatures prevailing across eastern and western Japan; however, regions burdened by substantial snowpack should exercise vigilance regarding potential avalanches and accelerated snowmelt-induced hazards. This transient warmth will give way to another influx of frigid air around February 7th and 8th, potentially triggering significant snowfall anew.