Heat & extreme weather warnings in placeThe German Weather Service (DWD) had heat warnings in place over almost all of Germany on Tuesday. Screenshot of the weather warning map provided by the German Weather Service. In central and southern parts of the country, an 'extreme' heat warning (shown in dark purple) was in effect on Tuesday. The DWD tends to issue heat warnings when daily temperatures will exceed 32C, and extreme heat warnings from 38C. Thursday is expected to bring the end of heat warnings, with highs between 26 and 32C, and up to around 24C in the northwest.