On 15 June, the UKHSA issued level 3 "heat-wave action" alerts for London, East and South East England, maintaining level 2 alerts for the East Midlands and South West England.[1] According to Met Office forecasts, the heat peak would arrive on Friday, reaching the necessary threshold for heat wave consideration, before temperatures dropped significantly on 18 June.[62] On 17 June, London reached 32.7 °C (90.9 °F) on the hottest day of the June heat wave.[62]