A yellow heat health alert is in effect across parts of the United Kingdom from Friday to Sunday, according to multiple reports. The alert covers areas facing elevated temperatures and associated health risks during the period, even as weather forecasts indicate that rain is expected over the weekend. The alert level is described as “yellow,” indicating that precautions are needed but that conditions are not at the highest severity compared with any higher-level alerts. The reports state that the alert is issued ahead of or during the warm spell, with the intention of prompting public health guidance and preparedness, particularly for people more vulnerable to heat. While rain is forecast to move through during the weekend, the alert remains in place for the specified dates as temperatures and heat-related conditions are expected to affect some locations. The coverage is consistent that the alert runs from Friday through Sunday, and it is framed as a precautionary measure based on the weather outlook for that timeframe.