On the 31st, a high-pressure system covered a wide area, causing temperatures to rise over a wide area, making it a midsummer day with temperatures exceeding 30 degrees Celsius in many places. On June 1st, it will be rainy and cloudy mainly in western Japan due to the effects of typhoons and humid air, while temperatures are expected to remain high in eastern and northern Japan, so please take measures to prevent heat stroke by staying hydrated frequently.