Heat health alert for the South East

The yellow heat health alert is in effect from3PM on 17/06/2026 until 8PM on 22/06/2026 across the South East. The yellow alert has a matrix score of 7. This means:

Minor impacts are likely across health and social care services, including:

• increased use of healthcare services by vulnerable people
• greater risk to life of vulnerable people
• increased potential for indoor environments to become very warm
• water-related incidents may increase, including risks from cold-water shock and drowning

To see our page on protecting yourself from the risks of Extreme Summer Heat click here