News HOMENews All Announcements Articles Forecast Accuracy 2026/10/02 Announcements 2026 Autumn Foliage Peak Viewing Forecast ~Peak Viewing Expected Around the Usual Time or Later Nationwide; Some Mountainous Areas in Northern Japan May Peak Earlier Than Usual~ 2026/09/11 Articles Heat-Related Illness and Business Risk: How Should Workplaces Prepare for Japan’s Summer Heat? 2026/08/28 Articles Japan Weather Outlook for September and October 2026: How Long Will the Heat Last? 2026/08/05 Articles How Do Extreme Heat and Summer Weather Affect Electricity Supply-Demand Balance and Spot Market Prices? Understanding Summer-Specific Characteristics Through Temperature, Solar Radiation, and Weather Conditions 2026/08/05 Articles Weather Risks in Japan from Summer to Autumn 2026: Impacts on Electricity Demand, Solar, and Wind Power Generation 2026/07/29 Articles Japan’s Latest Summer 2026 Outlook | Midsummer Heat from Mid-July: Caution Advised for Temperatures of 40°C or Higher, Thunderstorms, and Typhoon Risks 2026/07/17 Articles Weather Forecast Data for Business in Japan: What Companies Need to Know 2026/07/06 Articles Why Heavy Rain in Japan Can Become Dangerous: Understanding Linear Precipitation Bands 2026/06/15 Articles Japan’s 2026 Typhoon Outlook: Trends in Typhoon Formation and Approaches to Japan in September and October [Updated July 30] 2026/06/11 Articles What Is Japan’s Baiu, or Tsuyu, Rainy Season? Explaining the Mechanism of Baiu and “Onset of Baiu” / “End of Baiu” 1 2 3 4