# July 2026 Central American heavy rain forecasts > Live situation record from CLSTR: https://clstr.news/situations/july-2026-central-american-heavy-rain-forecasts > Updated: 2026-07-30T12:16:26.000Z. Sources: 13. Developments: 2. Mid‑July 2026, Guatemala’s meteorological agency warned of humid, windy conditions on 16 July, with scattered rain, thunderstorms, and heightened risks of river flooding, landslides and lahars in volcanic zones. The advisory was part of a broader set of alerts covering Venezuela, the Dominican Republic, Ecuador and Chile, all noting rain, high UV levels or flood threats. By the end of July, the focus shifted to central Mexico, where forecasts for Mexico City and the Toluca valley on 30 July predicted cool mornings followed by warm afternoons, thunderstorm development and a 70 % chance of rain in Toluca. Authorities highlighted lightning, possible hail, strong winds and very high UV radiation, urging protective measures. Together, these bulletins illustrate a persistent pattern of heavy‑rain and storm risk across the Central American and Mexican region throughout July 2026, with agencies repeatedly issuing warnings about flooding, landslides, severe weather and health precautions. ## Timeline ### 2026-07-30: Mexico City and Toluca Face Heavy Rain and Storms on July 30, 2026 Toluca will see 70 % rain odds and cooler temps, while Mexico City expects 40 % chance of afternoon thunderstorms and high UV on July 30, 2026. 4 sources. https://clstr.news/cluster/mexico-city-and-toluca-face-heavy-rain-and-storms-on-july-30-2026 ### 2026-07-15: Guatemala faces heavy rains and storm risk on July 16, 2026 Guatemala warns of heavy rain, storms and flood risk on 16 July 2026, while Venezuela, Dominican Republic, Ecuador and Chile issue related weather alerts. 9 sources. https://clstr.news/cluster/chile-and-guatemala-warned-of-heavy-rains-and-coastal-flood-risks --- Cite as: July 2026 Central American heavy rain forecasts. CLSTR, https://clstr.news/situations/july-2026-central-american-heavy-rain-forecasts