Temperatures soared across Japan on Wednesday, reaching over 37 degrees Celsius at one location in western Japan. Weather officials say the heatwave is expected to continue on Thursday, with 38 degrees forecast for an area in the Tokai region.

The Meteorological Agency says a high-pressure system brought clear skies to western and eastern Japan and other areas on Wednesday, and hot air flowed into the regions.

The mercury rose to 37.1 degrees at an observation point in Kochi Prefecture's Shimanto City, this year's highest reading in the country.

Miyazaki City had a daytime high of 36.2 degrees, and Tokyo's Nerima Ward observed 34.8 degrees.

The agency says it is expected to be even hotter on Thursday in some areas, mainly in eastern Japan.

Officials forecast 38 degrees for Shizuoka City, and 36 degrees for Saitama Prefecture's Kumagaya City and Yamanashi Prefecture's Kofu City. Central Tokyo and Osaka City are expected to have a high of 33 degrees.

People are advised to exercise caution against heatstroke. Officials are calling on people to use air conditioners when necessary and stay hydrated.