The Civil Defense of São Paulo has issued a severe alert regarding the occurrence of heavy rainfall in the Campinas region, which is expected to extend to neighboring cities as well. The alert was disseminated to local residents' mobile phones at 3:03 PM, indicating the seriousness of the situation. Residents are advised to remain in safe locations due to the potential severity of the conditions, as the bad weather is not isolated to Campinas but affects a broader area.

Forecasts for the weekend indicate unstable weather with an increased chance of widespread rain and the possibility of thunderstorms across the state. Specifically, Saturday is expected to see unsettled weather, with rising chances of rain during the afternoon. This could lead to localized storms accompanied by lightning and strong winds, heightening the risk for those in exposed areas.

On Sunday, the instability is expected to persist, with continued chances of rain throughout the day, particularly in the afternoon where localized thunderstorms are likely. Winds are forecasted to be moderate to strong, adding to the adverse weather conditions. The Civil Defense continues to monitor the situation and is urging residents to stay alert and prepared for potential emergencies during this severe weather event.