# Extreme weather in Mexico, Ecuador, and El Salvador

> Live situation record from CLSTR: https://clstr.news/situations/extreme-weather-in-mexico-and-ecuador
> Updated: 2026-08-14T20:31:58.000Z. Sources: 7. Developments: 2.

In late July 2026, Mexico faced warnings of a strong monsoon surge involving heavy rains across the west, south, east, and southeast, alongside extreme temperatures exceeding 45 °C in parts of Baja California and the northeast. 

By mid-August, atypical weather patterns continued in Mexico and Ecuador. In Guanajuato, Mexico, the ‘canícula’ phenomenon brought temperatures up to 35 °C, though the Secretariat of Water and Environment reported intense rainfall in municipalities such as León, Irapuato, and Salamanca. In Guayaquil, Ecuador, residents experienced unusual heat between 32 °C and 35 °C with humidity levels reaching 79 %, deviating from the typically cooler August temperatures.

By August 14, extreme heatwaves continued to impact the region. In El Salvador, the Ministry of Environment and Natural Resources (MARN) reported that heatwave conditions affected 10 points across the country, with temperatures in Santa Rosa de Lima reaching 40.5 °C and several stations breaking historical records for August. Authorities expected the heatwave to persist until approximately August 20.

In Mexico, the state of Sonora faced extreme heat, with maximum temperatures expected to reach between 43 °C and 47 °C in municipalities including San Luis Río Colorado, Caborca, and Hermosillo. High humidity levels were projected to push thermal sensations to 50 °C. Meanwhile, Guayaquil, Ecuador, continued to experience an atypical August, with temperatures remaining between 32 °C and 35 °C accompanied by high humidity.

## Timeline

### 2026-08-14: Extreme heatwaves impact El Salvador, Sonora, and Guayaquil

Extreme heatwaves are impacting El Salvador, Sonora in Mexico, and Guayaquil in Ecuador, with temperatures reaching up to 47 °C and breaking historical records in several regions.

7 sources. https://clstr.news/cluster/extreme-heat-and-atypical-weather-patterns-affect-guanajuato-and-guayaquil

### 2026-07-27: Mexico faces intense heat and heavy rain on July 28‑29, 2026

Mexico expects severe heat and heavy rain on July 28‑29, 2026, while Argentina sees mild weather, Japan splits between rain and heat, and Ecuador, Guatemala and other regions issue heat and UV warnings.

24 sources. https://clstr.news/cluster/sunny-hot-conditions-predicted-for-tazacorte-catoira-and-touro-on-july-27-2026

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Cite as: Extreme weather in Mexico, Ecuador, and El Salvador. CLSTR, https://clstr.news/situations/extreme-weather-in-mexico-and-ecuador