Weather alerts are active for Joinville. On November 7, 2026, severe storms will bring heavy rainfall of up to 100 mm/day, intense winds reaching 100 km/h, and hail, posing risks of flooding, falling trees, crop damage, and power outages. For emergencies, contact 199 or 193. Starting November 8, 2026, temperatures are forecast to drop between 3°C and 5°C, presenting a slight health risk.