States

Civil Defense warns of risk of fires in vegetation before the arrival of a cold front in the interior of SP

By 365 Breaking News Editorial Team August 20, 2026 at 12:39 3 min read Bauru e Marília

365 Summary

The threat is driven by the combination of high temperatures with low levels of relative humidity, in addition to the action of a prefrontal system. This scenario favors drying out of the soil and significantly increases the risk of flames spreading, especially in areas of dry, low vegetation and pastures.

Join the g1 Presidente Prudente e Região channel on WhatsApp Dry weather conditions require extra attention, especially in rural areas.
The occurrence of fires can cause severe damage to the environment, damage to infrastructure and risks to the health of the population.

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In Presidente Prudente and other cities in the interior of SP, a fire alert is driven by the combination of high temperatures and low levels of relative humidity Stephanie Fonseca/g1 The Civil Defense of the State of São Paulo issued an alert for the high risk of fires in vegetation this Thursday (20). The warning is mainly aimed at the regions of Presidente Prudente, Araçatuba, São José do Rio Preto, Marília, Bauru and Sorocaba. The threat is driven by the combination of high temperatures with low levels of relative humidity, in addition to the action of a prefrontal system. This scenario favors drying out of the soil and significantly increases the risk of flames spreading, especially in areas of dry, low vegetation and pastures. ? Join the g1 Presidente Prudente e Região channel on WhatsApp Dry weather conditions require extra attention, especially in rural areas. The occurrence of fires can cause severe damage to the environment, damage to infrastructure and risks to the health of the population. Given this scenario, the Civil Defense emphasizes that causing fires in vegetation is an environmental crime, according to current legislation, and advises the population to report any irregular practice.

The agency also leaves the following guidelines to the population: Do not use fire to clean land, rural areas or pastures; Do not discard cigarette butts in vegetation areas or on the sides of highways; Avoid performing physical activities during the hottest hours of the day; Stay hydrated throughout the day; Humidify environments whenever possible; Take extra care with children, the elderly and people with respiratory problems during periods of low air humidity. In case of emergency, call Civil Defense on 199 or the Fire Department on 193. Pre-frontal system raises temperatures and Civil Defense issues alert this Thursday Civil Defense of SP Cold front Between the night of this Thursday and Friday (21), a cold front will reach the state of São Paulo and drop temperatures in the interior of São Paulo. According to the State's Civil Defense, winds can exceed 75 km/h between Friday and Sunday (23) in cities such as Bauru, Marília, Presidente Prudente and Sorocaba. Gusts can increase the risk of falling trees, roofing, interruptions in electricity supply, damage to more vulnerable structures, in addition to impacts on urban mobility and port operations. See the region's minimums and maximums during the weekend: Friday Araçatuba: Min: 16°C Max: 27°C Bauru: Min: 15°C Max: 26°C Itapeva: Min: 12°C Max: 23°C Marília: Min: 15°C Max: 25°C Presidente Prudente: Min: 15°C Max: 24°C São José do Rio Preto: Min: 17°C Max: 28°C Sorocaba: Min: 14°C Max: 26°C Saturday and Sunday Araçatuba: Min: 12°C Max: 28°C Bauru: Min: 12°C Max: 26°C Itapeva: Min: 10°C Max: 22°C Marília: Min: 11°C Max: 27°C Presidente Prudente: Min: 12°C Max: 27°C São José do Rio Preto: Min: 13°C Max: 28°C Sorocaba: Min: 12°C Max: 24°C