Mexico faces intense heat and heavy rain on July 28‑29, 2026

Mexico heatwave heavy rain July 2026 monsoon high UV

The national weather services of several countries issued forecasts for July 28‑29, 2026. In Mexico, the Servicio Meteorológico Nacional warned of a strong monsoon surge, with heavy rains across the west, south, east and southeast, and temperatures exceeding 45 °C in parts of Baja California and the northeast. The forecast also noted possible hail and strong winds, especially in the Baja California peninsula.

Argentina’s Servicio Meteorológico Nacional predicted mild, partly cloudy conditions in Tucumán with temperatures between 14 °C and 22 °C and isolated afternoon showers. The forecast for other Argentine locations indicated similar stable weather.

Japan’s weather agencies reported a split pattern: the northern regions (Hokkaidō, Tōhoku, Hokuriku) would experience rain and lower temperatures, while central and western areas, including Tokyo, would endure heat up to 37 °C with high humidity.

Ecuador’s Instituto Nacional de Meteorología e Hidrología warned of high daytime temperatures and very high UV radiation, increasing the risk of forest fires across the Sierra and coastal regions.

Guatemala’s Insivumeh forecast warm, sunny conditions with scattered rains that could trigger landslides and flooding in several regions.

Additional forecasts for Spain (Catoira, Touro), the United Kingdom (Tazacorte), and other locales described clear skies, mild to hot temperatures, and generally low precipitation probability.

Entities: Agencia Estatal de Meteorología (AEMET) · Argentina · Catoira · Ecuador · Guatemala · Japan · Mexico · Spain · Tazacorte · Touro

Claims

What the coverage asserts, and how well corroborated each claim is across sources.

[○ 1 SOURCE] No precipitation is expected in Tazacorte on 27 July 2026. (AEMET forecast)
[○ 1 SOURCE] Catoira winds will shift from northeast (18‑25 km/h) to southwest later in the day, with gusts up to 49 km/h. (AEMET forecast)
[○ 1 SOURCE] Winds in Tazacorte will come from the north at 20‑27 km/h, with gusts up to 45 km/h. (AEMET forecast)
[○ 1 SOURCE] No rain is expected in Catoira on 27 July 2026. (AEMET forecast)
[○ 1 SOURCE] No precipitation is expected in Touro on 27 July 2026. (AEMET forecast)
[○ 1 SOURCE] Catoira will experience temperatures up to about 35 °C on 27 July 2026. (AEMET forecast)
[○ 1 SOURCE] Touro will have temperatures from 18 °C to 35 °C on 27 July 2026. (AEMET forecast)
[○ 1 SOURCE] Temperatures in Tazacorte will range from 19 °C to 25 °C on 27 July 2026. (AEMET forecast)
[○ 1 SOURCE] No precipitation is expected in Catoira on July 27, 2026. (weather forecast)
[○ 1 SOURCE] Temperature in Tazacorte will reach a maximum of 25 °C around midday on July 27, 2026. (weather forecast)
[○ 1 SOURCE] Temperature in Touro will reach a maximum of 35 °C in the afternoon on July 27, 2026. (weather forecast)
[○ 1 SOURCE] Catoira will have mostly clear skies on July 27, 2026. (weather forecast)