The state of Rio Grande do Sul has been placed under the maximum alert level for precipitation in the country in the coming days. According to Inmet, parts of the state are under a red warning due to the high volumes of rain projected between Tuesday, the 21st, and Wednesday, the 22nd.
The arrival of a cold front across Southern Brazil is altering climatic conditions in various locations. While some regions may expect storms and strong winds, others maintain low humidity and dry weather. The combination of low-pressure zones with the advance of this cold front significantly increases instability over Southern Brazil, with the greatest impact expected in Rio Grande do Sul.
In this state, intense rain and potential for thunderstorms accompanied by hail are forecast. The most significant accumulations are expected in municipalities such as São Borja, Santo Ângelo, Ijuí, Santa Maria, Santa Cruz do Sul, Porto Alegre, and Pelotas. In other areas of Rio Grande do Sul, the orange alert remains active for storms.
The bad weather also affects areas of Santa Catarina located near the border with Rio Grande do Sul. Additionally, western and south-central Paraná face forecasts of strong winds due to the influence of the Low-Level Jet (JBN).
The main warnings issued include: red alert for large volumes of rain in Rio Grande do Sul; possibility of thunderstorms with hail in both Rio Grande do Sul and Santa Catarina; strong winds forecast for Paraná, Santa Catarina, and southern Mato Grosso do Sul; and the advance of the cold front on Wednesday, which will expand the zones of instability.
The climate system is not limited to the South. In the Northeast, rain persists along the coastal strip on Tuesday and moves inland the following day. Yellow alerts remain in effect for intense rains between the coast of Bahia and Sergipe, as well as between Paraíba and Rio Grande do Norte.
In the North Region, rain showers continue to occur in Amazonas, northern Pará, Amapá, Roraima, and western Acre. For Wednesday, these rains are expected to reach all of Acre and advance into northern and western Rondônia.
Not all of the national territory will be affected by rain. Mato Grosso, Goiás, Federal District, Tocantins, and certain areas of Rondônia, Pará, Piauí, Minas Gerais, São Paulo, and Mato Grosso do Sul remain under yellow alert due to low humidity.
In the Southeast, the weather remains stable in most of the region. The only exception is south-central São Paulo, which may experience increased cloudiness and isolated rainfall as the cold front approaches. In Minas Gerais, mornings remain cool, but without risk of frost.
Residents in the areas under alert are advised to monitor the evolution of meteorological conditions in the coming days. Rio Grande do Sul continues to be the region of greatest concern, given the expectation of heavy rain, thunderstorms, and the possibility of hail during the period.
Rain continues in the Delhi-NCR region as the monsoon season remains active. Cloudy skies are expected on Thursday, and according to the India Meteorological Department (IMD), light precipitation is possible in several places during the morning and day.
There is also a possibility of light rain in some areas tonight. In Delhi, the maximum temperature may range from 32°C to 34°C, and the minimum from 23°C to 25°C.
According to records, 12 mm of precipitation was registered at the Safdarjung weather station and 18.7 mm at Palm airport on Wednesday. According to Skymet Weather agency forecasts, most weather stations in the city recorded light or moderate rains. The probability of continued rain remains for the coming days, with light or moderate precipitation expected almost daily in Delhi-NCR this week.
Starting from July 26, the monsoon trough will begin to shift northward and may reach the northern part of Delhi by July 28. During this period, moderate or heavy rains may be observed in some areas. Weather forecasts indicate a possible increase in both the intensity and spread of precipitation between July 26 and 28. After this, starting from July 29, a decrease in rainfall activity is expected.
Japan is experiencing waves of intense heat as the country faced scorching, life-threatening heat on Wednesday. According to forecasts, temperatures in some cities will exceed 40 degrees Celsius, which the government has officially classified as a 'scorching day.'
The meteorological agency issued heatstroke warnings for a significant part of the country. According to Reuters, a second consecutive day of such extreme weather, known as 'kokushobi'—which literally means 'scorching day'—is expected. Temperatures are forecast to reach 40 degrees Celsius in Kumagaya, located north of Tokyo, as well as in Nagoya, central Japan.
Authorities strongly urged residents to actively use air conditioners, drink water regularly, and avoid prolonged time outdoors. Summers in Japan have become increasingly severe in recent years: last year, the country recorded a record temperature of 41.8 degrees Celsius.
Even before this week, from July 6 to 12, 4580 people were brought to hospitals, including seven who subsequently died, according to the latest data from the Fire and Disaster Management Agency. This year, the meteorological agency introduced the 'kokushobi' category for days when temperatures reach 40°C or higher, reflecting the growing frequency of extreme heat. Furthermore, according to government data, over 100,000 people were admitted to hospitals with heatstroke during the summer season of 2025.
Warnings due to a heatwave have already been issued in Spain. In Portugal, forecasts indicate that temperatures will be above average until mid-August, but there are currently no signs of an extreme heatwave.
The National Institute of Health is assessing the potential impact of heat on the population, particularly on mortality rates. Currently, this institute is analyzing data collected during weeks when temperatures significantly rose.
Journalist Oriana Barcelos found out how this excess mortality is calculated.
According to the Portuguese Institute of Sea and Atmosphere (IPMA), about 50 municipalities in the central areas of the districts of Vila Real, Viseu, Bragança, Guarda, Santarém, Portalegre, Castelo Branco, and Faro are under maximum threat of rural fires.
