The Met Office has forecast strong sunshine, dry conditions and rising temperatures from Wednesday morning (August 12). Tenby will experience sunny weather and highs of 28°C on Wednesday. Temperatures are set to soar in Pembrokeshire again this week. (Image: Met Office)These latest soaring temperatures come as the Met Office have issued an amber warning for extreme heat for parts of southern and eastern England and the Midlands on Thursday. (Image: Amy Mabe)"It’s also important to look out for the signs of heat exhaustion and heatstroke, particularly among people who may be more vulnerable to the effects of extreme heat.