A prolonged period of high temperatures has been affecting an area, with multiple cities experiencing temperatures significantly above average. Temperatures have been 15 to 20 degrees higher than usual for this time of year.

This heat wave has already led to record-breaking temperatures in several cities, with some areas reaching highs of over 100 degrees for multiple days in a row. Further information is available from the source.

Details of temperature records in specific cities are also available, including new highs for the month in several locations, with previous records being surpassed by several degrees.