Heat health alert updated to RED for the East of England

The red heat health alert is in effect from 1AM on 24/06/2026 until 11PM on 25/06/2026 across the East of England. The red alert has a matrix score of 16. This means:

Severe impacts are expected across health and social care services due to the high temperatures, including:

• increased risk to life across the whole population, with significant impacts on older people
• significantly increased demand on all health and social care services
• the heat affecting the ability of the workforce to deliver services
• hot indoor environments making provision of care challenging and national critical infrastructure failures, such as generators and power outages
• water-related incidents may increase, including risks from cold-water shock and drowning