
Temperatures can reach 38°C with the possibility of isolated rain and thunderstorms in several regions of the state.
AI-generated summary
The state of Rondônia will hold the second round of the 2026 Elections on Sunday, October 25th.
Rondônia should be hot this Sunday (25), the day of the second round of the 2026 Elections, with temperatures that could reach 38°C. The forecast from the Amazon Protection System (Sipam) also indicates the possibility of rain in isolated areas and thunderstorms in some municipalities.
In Porto Velho, thermometers must read between 24°C and 37°C. The forecast is for clear to partly cloudy skies, with the possibility of rain in isolated areas.
Will it rain in the cities of Rondônia?
Check out the forecast for some of the state's main cities:
Porto Velho: clear to partly cloudy skies, with the possibility of isolated rain. Minimum of 24°C and maximum of 37°C.
Ariquemes: clear to partly cloudy skies, with the possibility of isolated rain. Minimum of 23°C and maximum of 37°C.
Ji-Paraná: clear to partly cloudy skies, with the possibility of isolated rain. Minimum 24°C and maximum 38°C.
Guajará-Mirim: partly cloudy to cloudy skies, with isolated rain showers and thunderstorms. Minimum of 24°C and maximum of 37°C.
Vilhena: partly cloudy to cloudy skies, with isolated rain showers and thunderstorms. Minimum of 23°C and maximum of 34°C.
Cacoal: clear to partly cloudy skies, with the possibility of isolated rain. Minimum of 24°C and maximum of 37°C.
Jaru: clear to partly cloudy skies, with the possibility of isolated rain. Minimum 24°C and maximum 38°C.
Tips for those who are going to vote
As the forecast indicates heat in several cities, the recommendation is to drink water and protect yourself from the sun while traveling to the polling place.
Those who live in municipalities with forecast rain can bring an umbrella or raincoat to avoid unforeseen events.
The Sipam forecast does not specify the times when rain may occur. Therefore, it is not possible to say whether it will rain during the voting period, from 7am to 4pm.

A strong storm hit cities in the São Carlos region in the early hours of this Sunday (25), causing flooding, falling trees and damage to the electricity grid. In Matão, winds reached 80 km/h. There is no record of fatalities.

Heavy rains in the region of Jundiaí (SP) caused flooding, fallen trees and interruptions on CPTM Line 7-Rubi. Voting locations in Itatiba and Itupeva had access blocked, requiring alternative routes for voters.

Storm in Itapetininga and region (SP) causes flooding, landslides, highway closures and leaves people homeless. The municipality recorded 110 mm of rain in 24 hours, according to Civil Defense.

Ibama intensifies the fight against fires in western Pará, prioritizing settlements in Prainha and Santarém. A room integrated between federal agencies and firefighters will be opened to coordinate actions and investigate the origin of fires.

A cold front arrives on the coast of São Paulo, causing a drop in temperatures, increased cloudiness and forecasts of storms with lightning and gusts of wind in Greater São Paulo during the weekend.

Francisco Beltrão, in Paraná, recorded 120 mm of rain in seven hours, causing flooding and street blockages. The Marrecas River is rising and a temporary shelter has been prepared to receive affected residents. There are no reports of injuries.