Heat-health alert for London

Last updated on Saturday, 15 August 2026 at 09:59am

Yellow Heat-health alert has been issued

Alert is in effect from 15 August 2026 at 10:00am to 18 August 2026 at 09:00am

• Type: Heat Health Alert
• Risk Score: 7
• Impact: Low
• Likelihood: Medium
• Start: 15 August 2026 at 10:00am
• End: 18 August 2026 at 09:00am

Risk Description

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

Risk Matrix

Related content

Learn more about UKHSA data dashboard topics

• Interim heat mortality report (England, May and June 2026)

• Heat-Health Alert action card for the voluntary and community sector

• Heat-Health Alert action card for commissioners

• Heat-Health Alert action card for health and social care providers

• Heat-Health Alert action card for national government