Many places in the northern region will see temperatures exceed 40 degrees Celsius and will welcome a cold air process on the 21st.

In the past few days, most areas in the northern part of our country are experiencing the first widespread heatwave of the year, with temperatures reaching over 40C in some areas. Many places in Henan and Hebei have broken local May high temperature records. The winter wheat areas in the north may experience 2 to 4 days of dry and hot weather. It is expected that starting from the 21st, there will be a cold air influence process in the north, and temperatures will gradually decrease after the 22nd.