今天傍晚全市将迎小到中雪

Summary of Key Points Core Viewpoint - A significant cold air mass is expected to bring snowfall to Beijing from the evening of the 17th to the 18th, followed by strong winds and sustained low temperatures [1]. Weather Forecast - Snowfall will begin in the western regions and gradually affect the plains during the first half of the night, ending by the afternoon of the 18th [1]. - Most areas will experience light to moderate snow, with snow depth ranging from 1 to 3 centimeters, while mountainous areas may see 3 to 5 centimeters [1]. - After the snowfall, a north wind of 3 levels will occur from the night of the 18th to the 19th, with gusts reaching around 6 levels, and over 7 levels in mountainous areas [1]. - Daytime high temperatures will drop to between -5°C and -3°C from the 18th to the 21st, with nighttime lows between -13°C and -11°C [1]. Safety Precautions - It is advised to monitor the latest weather forecasts and warnings from meteorological departments and prepare accordingly [2]. - Due to slippery roads and reduced visibility from the snowfall, travel plans should be arranged carefully, and driving safety should be prioritized [3]. - The significant temperature drop and prolonged low temperatures necessitate precautions for home heating and safety regarding electricity, fire, and gas usage [3]. - Outdoor activities should be approached with caution, ensuring adequate clothing for warmth to prevent illnesses [3]. - After the snow, increased winds require individuals to stay away from tall trees and temporary structures to avoid risks from falling objects [3].