Overview
- Mexico’s SMN/Conagua 06:00 forecast calls for heavy to very heavy rain across numerous states, with temperatures topping 45 °C in parts of Baja California and Sonora.
- Mexico City is under guidance for strong afternoon and evening storms with lightning, possible hail and wind gusts near 40 km/h, with the main window from about 13:00 to 23:00.
- Argentina’s SMN reports a storm developing Thursday night that will shift north, with Misiones locales including Posadas, Apóstoles and Oberá expecting heavy rain and highs close to 30 °C.
- Buenos Aires and CABA are projected to see a return of rain on Friday with strong winds and electrical activity, followed by a cooler, dry weekend, according to SMN guidance.
- Galicia’s AEMET-based local forecasts point to clear, dry and warm conditions on 21–22 August, with highs around 25–32 °C and afternoon gusts reaching 40–45 km/h in some towns.