Widespread Heat and Storms Hit Spain, Mexico and Other Regions on June 21‑22, 2026
On June 21‑22, 2026 several parts of Spain experienced extreme heat, with temperatures soaring to 40 °C in Bizkaia and reaching 41 °C in Villanueva de la Serena, while Bilbao recorded a forecast high of 42 °C. Similar hot conditions were forecast for other Spanish locales such as Nigrán, Negreira and the broader region, prompting heat alerts.
In Mexico, tropical waves 8 and 9 triggered heavy rain across more than twenty states, with some areas expecting 50‑75 mm of precipitation and the risk of hail and lightning. A powerful 59‑kiloampere cloud‑to‑ground lightning strike was reported in Mexico City late on June 20, accompanied by intense rain and hail.
Additional forecasts reported light rain in Quito (Ecuador) and mild, sunny weather in Pozo Hondo (Argentina) and Termas de Río Hondo (Argentina). Dallas (US) was expected to see high temperatures of 34 °C with humid conditions.
Authorities in the affected regions urged residents to stay hydrated, avoid outdoor exposure during peak heat, and follow safety measures against flooding and lightning.