Group 1 - The weather forecast indicates heavy snowfall in Heilongjiang Province from March 26, 20:00 to March 27, 20:00, with expected snowfall amounts of 5 to 10 millimeters in several areas [1] - Specific regions such as Qitaihe, Mishan, and Hulin may experience wet snow during certain periods [1] - The forecast also includes warnings for local authorities and individuals to take preventive measures against the expected heavy snow [1] Group 2 - The weather conditions from the night of March 26 to the day of March 27 include heavy snow in areas like southern Yichun, northern Harbin, and western Jiamusi, with some towns in eastern Qitaihe potentially facing blizzard conditions [2] - Rain mixed with snow is expected in Jixi, transitioning to heavy snow, while other regions will see varying degrees of snow [2] - The forecast for March 27 night to March 28 day includes light to moderate snow in eastern Jiamusi and eastern Qitaihe, with cloudy conditions and possible flurries in other areas [2] Group 3 - The minimum temperatures for the night of March 26 are forecasted to range from -20 to -18°C in northern Daxing'anling, while southern areas will see temperatures between -3 to -1°C [3] - The maximum temperatures for March 27 are expected to be between -3 to -1°C in northern Daxing'anling and eastern Jiamusi, with other regions ranging from 1 to 5°C [3] - Wind gusts of 5 to 6 levels are anticipated in the central and southern regions, leading to slippery roads and potential ice accumulation [3]