The BBC department for forecast preparation and broadcasting
As amber and yellow heat-health alerts extend across large parts of England, authorities warn of significant health and water-supply risks. Forecasters say the upcoming days will see a north-south split in heat, with a brief warm spell followed by a return to near-average conditions.
Record‑level and near‑record May temperatures have been reported across multiple regions this week — parts of England and Russia have hit unusually high temps while the eastern US has recorded low‑90s — even as eastern Australia is facing a major rain band. Forecasts show brief, intense heat will give way to fronts or rain in most places; Australia is also seeing El Niño odds rise for winter.
A persistent high-pressure heat dome is trapping heat and humidity over continental Europe, driving record temperatures from France to the UK. The phenomenon is linked to escalating temperatures due to fossil-fuel emissions, with authorities warning of health risks, wildfires, and rising energy demand.
The UK has seen a record-hot July and persistent drought across large parts of England and Wales. Hosepipe bans remain in force as cooling rain is forecast to be patchy and limited this weekend. Forecasters warn that heat and dry conditions will continue into next week, with a potential return of hotter spells in parts of the country.