High temperatures across much of Japan are set to last for another month, according to the national weather forecaster, with the persistent heat potentially keeping power demand elevated. https://www.japantimes.co.jp/news/2025/08/20/japan/heat-in-japan-to-persist-for-a-month/?utm_medium=Social&utm_source=mastodon #japan #heatwaves #meteorologicalagency #hydropower #rice