From day to night on the 22nd: cloudy to cloudy in the north-east, intermittent light rain to cloudy in other areas, sleet or light snow in areas above 800 meters above sea level, and the temperature is - 3 13 ℃; Intermittent light rain turns cloudy in the central urban area, and the temperature is 5 9 ℃. From day to night on the 23rd: it is cloudy everywhere. There is fog in Pingba River Valley in the morning, and the temperature is - 3 14 ℃; The central urban area is cloudy and the temperat...