Overview
- Mexico’s national and local forecasts call for clear skies and virtually no rain across many municipalities on March 22–23, with border and desert cities such as Nuevo Laredo, Matamoros and San Luis Río Colorado around 32–35°C and trending hotter midweek.
- Los Mochis begins the week hot and cloudless near 32°C today, with projections climbing to 36–37°C by midweek, while air-quality readings reported in several Mexican cities remain in the good or acceptable range.
- Highland and interior areas stay cool at dawn and mild by afternoon, with Fresnillo near 9°C to 21°C and Ciudad Valles roughly 9–25°C under clear skies.
- Mexico City’s risk and civil protection agency activated yellow cold alerts for Magdalena Contreras, Milpa Alta and Tlalpan for early March 23 due to forecast low temperatures.
- Argentina’s meteorological service keeps yellow alerts in effect for 13 provinces for storms, heavy rain, snow and strong winds, even as the AMBA improved Sunday to mostly sunny with 14–24°C and warnings of possible hail and gusts up to 80 km/h elsewhere.