The influence of El Niño should cause storms and strong winds in RS. The weather changes in Rio Grande do Sul from Thursday (16). The forecast indicates severe weather, with instability that begins in areas bordering Uruguay. There is a risk of extreme phenomena, such as tornadoes and microexplosions. This Wednesday (15) will still be firm weather, with sun and a gradual rise in temperatures throughout the day. On Thursday, a cold front moves through. The day will start with steady weather, but between the afternoon and evening the conditions for thunderstorms will increase. ? Access the g1 RS channel on WhatsApp Supercells with potential for microexplosions and tornadoes The storms are expected to advance along the Western Border, Campaign and South of the state. The forecast indicates the possibility of hail and wind gusts between 70 and 90 km/h in these areas. Climatempo Meteorologia highlights the formation of supercells with the potential for the development of microexplosions and tornadoes. Hail and winds of up to 90 km/h: RS has severe weather forecast; know when Climatempo Meteorology Rainfall volumes vary between 10 and 50 mm, with accumulations of close to 70 mm being possible in isolated areas. The risk of storms decreases towards the North and Northeast of Rio Grande do Sul, where the weather will remain more stable for much of the day. In the Metropolitan and Center regions of the state, isolated occurrences of storms at the end of the day cannot be ruled out. On Friday (17), instability spreads to other regions. The day will be marked by more widespread storms and intense winds. The highest risk areas remain between the Campaign, Western Border, Center, South, Costa Doce and Metropolitan Region. Rainfall volumes should be between 10 and 30 mm, and could reach 60 mm. The weekend starts with instability. On Saturday (18), the forecast is for frequent rain, with the potential for disruption to the population. With the advance of the cold front towards the north of the state, the risk for Missões, Centro, Planalto, Norte and Vales do Rio Pardo and Taquari increases. According to Climatempo, significant volumes of rain can be recorded in a short period of time, with the possibility of localized disturbances, flooding and rising levels of streams and streams. READ ALSO: Influence of El Niño should cause storms and strong winds Rain returns after summer in the south of the country; see forecast Unseasonal heat The next few days will be marked by atypical heat, with the possibility of temperatures between 27°C and 29°C in Fronteira Oeste, Vales do Taquari, Caí and Sinos on Thursday. On Friday, maximum temperatures may exceed 30°C in the Taquari, Rio Pardo, Sinos and Paranhana Valleys. On Saturday, thermometers can register up to 29°C in cities in Rio Grande do Sul. Rain returns to RS Duda Fortes/Agência RBS VIDEOS: Everything about RS