It's also been severe today (many records for June's highest temperatures)

2025/06/29 15:54

Today, the area around Japan was covered with high pressure, and the country was sunny and it was extremely hot.
There were many places, especially in the west and eastern Japan, where summer days were over 30 C, and many places were over 35 C. As of 3pm, there were 550 midsummer days with a temperature of 30 C or higher all over the country, and 38 hot days with a temperature of 35 C or higher. The number of points exceeded yesterday, when it was hot.
Also, the highest temperature in June was the highest ever recorded at 29 locations nationwide, and the highest temperature in Thailand at 7 locations.




Tomorrow, the end of the week, will be within the high pressure zone, with the sunny weather continuing to be sunny, especially in the west and eastern Japan.
In the afternoon, there may be some areas where showers and thunderstorms will occur, mainly along the mountains, so please be careful about your health, such as heat stroke.
Please be careful of sudden rain.




Also, for the following week, the weather is expected to continue to clear, mainly in western Japan, with hot weather conditions in various places.
In addition to health management such as preventing heat stroke, please be careful about managing agricultural products, livestock, etc.

Beware of severe heat and sudden thunderstorms

2025/06/29 07:16

The area around Honshu is covered with high pressure.

Today (29th), the area around Japan will be covered by high pressure, and it is expected to be sunny over a wide area, with a midsummer day at
136 points, and a super hot day at 16 points. In addition, the Ministry of the Environment and the Japan Meteorological Agency have issued heat stroke warning alerts to 12 prefectures, including Shimane, Kochi, and Fukuoka. In particular, in Kurume, Fukuoka Prefecture, the temperature is expected to be 37 C, and temperatures are expected to exceed
body temperature. Please take full precautions against heat stroke.



In addition, the chances of lightning occurring in the afternoon are higher, especially along mountains in western and eastern Japan. You should be careful of sudden rain and thunderstorms.



Tomorrow (Sunday 30th) is expected to continue to be high temperatures, with more
points to be a hotter day than today.
Please try to stay in a cool environment using an air conditioner indoors, etc., and try to drink plenty of hydration and
.
Also, the chances of lightning occurring will be higher tomorrow afternoon. Please be careful of sudden rain or thunderstorms.

The severe heat breaks record for June's highest temperatures at 17 locations nationwide (as of 3pm)

2025/06/28 17:43

The Sea of Japan has a high pressure system and is moving eastward.
Also, there is a high pressure system in the East China Sea, and it is almost stagnant.

Today, the area around Japan was covered with high pressure, and the country was sunny and it was extremely hot.
There were many places, especially in the west and eastern Japan, and there were some places that were extremely hot days with temperatures of 35 C or higher.

As of 3pm, there were 166 midsummer days with a temperature of 30 C or higher, and 18 hot days with a temperature of 35 C or higher nationwide.
Also, the highest temperature in June was the highest ever recorded at 17 locations nationwide, and the highest temperature in Thailand at two locations.






Tomorrow, it will be within the high pressure range and the heat will continue to be sunny all over the country. In the afternoon, there may be some areas where showers and thunderstorms are likely to occur, mainly along the mountains, so please be careful about your health, such as heat stroke.
Please be careful of sudden rain.




Please note that high temperatures are expected to continue in various regions, mainly in western Japan, for the next week.
In addition to health management such as preventing heat stroke, please be careful about managing agricultural products, livestock, etc.

Heat stroke warning broadly, mainly in Eastern and Western Japan; Hiroshima announces daily heat stroke warning alerts

2025/06/28 06:29

Today, the 28th (Saturday), the sun will be exposed to high pressure and reaching the country.
Temperatures are rising, mainly in western and eastern Japan, and today it seems that heatstroke prevention will continue to be an essential day.


The forecast maximum temperatures are 26c in Sapporo, 34c in Sendai, 35c in Tokyo, 35c in Nagoya, 35c in Osaka, 33c in Kochi, and 31c in Fukuoka.
From southern Tohoku to western Japan, it is expected to be midsummer days with a maximum temperature of 30 C or higher in many regions. Inland areas, the weather is expected to be extremely hot in the temperature exceeding 35 C, and in Kumagaya and Kofu, the temperature is likely to be dangerously high at 36 C, which is higher than the temperature.
We are also expecting a hot day at a high of 35 C in central Tokyo, and it is expected to be the first hot day of the year.



The Ministry of the Environment and the Japan Meteorological Agency have issued heatstroke warning alerts to Hiroshima, Kumamoto, Kagoshima (excluding Amami), Okinawa (the main island region) and (Yaeyama region). Hiroshima has made an announcement every day, following yesterday (27th).


In areas where a heatstroke warning alert has been issued, significantly higher temperatures can cause damage to human health due to heatstroke.
There are probably many people who plan to go out on their days off, but please refrain from activities during hot times as much as possible, and try to take frequent breaks, drink water and salt.
Also, make sure to stay in a cool environment, such as using air conditioners indoors, and take full advantage of heatstroke prevention indoors.

Weather today, Saturday the 28th: ??The country is sunny and harsh, and be careful of sudden thunderstorms inland

2025/06/28 06:02

Today, the 28th (Saturday), the area around Japan will be covered by high pressure, so sunlight will reach the country. However, you need to be careful as there are some areas inland areas where showers will occur in the afternoon.



In Hokkaido, the weather is likely to improve and sunny. There are many places where the temperature is rising since yesterday (27th), so take measures against the heat.
Although clouds tend to spread in the morning on the Sea of Japan side of Tohoku and Hokuriku, the sun is likely to return in the afternoon.


It will be sunny from Kanto to western Japan. In some places, the summer days are over 30 C, and there may be some extremely hot days of over 35 C. Take full precautions against heat stroke.

In the afternoon, rain clouds will develop locally inland areas of eastern Japan and Kyushu, and there will be some places where showers and thunderstorms will occur. When you're out and about, be careful of changes in the sky pattern and have a folding umbrella to make it safe.

Southern Kyushu - Kinki: After the rainy season ends, be careful of extreme heat nationwide for at least a month

2025/06/27 11:54

Today, Friday, June 27th, the Japan Meteorological Agency announced that the rainy season is expected to have ended in southern Kyushu, northern Kyushu, Shikoku, Chugoku and Kinki regions.



Modern Year Compared to Last Year

South Kyushu 18th Early 19th Early
Northern Kyushu 22nd Early 20th Early
Shikoku 20th Early 20th Early
Chugoku 22nd Early 24th Early
Kinki 22nd Early 21st Early

The rainy season ended about three weeks earlier than usual.

/Please note that the information announced today about the end of the rainy season is a preliminary figure.
Later, we will check the actual weather conditions from spring to summer and confirm the time for the rainy season to begin again and the end of the rainy season. (Definite value)

If the rainy season is confirmed to end in June, the rainy season will be the second-early end in southern Kyushu, and
This will be the first time in other regions in statistical history.




We are expected to continue to be easily covered by high pressure systems, and there will be many sunny days, especially in western Japan.
It looks like there will be more hot days in western Japan to come up next week.
In eastern and northern Japan, the rainy season will return again next week, but the temperature is expected to continue to be hot.


The high temperatures are expected to continue for about a month in the future. Be careful about health management, such as managing crops and livestock, and preventing heat stroke.

Weekly weather: Is the rainy season nearing the end of the Honshu region The heat continues during the summer

2025/06/27 08:03

From now on, the Pacific High Pressure will prevail around Honshu, and the weather is expected to continue with clear weather, especially in western Japan. The rainy season front is expected to be unclear near Honshu, and the weather is expected to continue to be sunny in western Japan for more than a week. As early as possible, it is likely that the rainy season will end earlier than usual near Honshu.




In western Japan, the heat will continue to be as severe as the real summer, with many days of extreme heat above 35 C. Looking at the expected maximum temperatures ahead, it seems that the days will continue to be around 33 C, and there will be some tropical nights where the temperature does not drop much at night. Take ample measures such as drinking plenty of water and taking moderate breaks to avoid heat stroke.

/BOn the other hand, although there are some sunny days in northern and eastern Japan, there are many days that are affected by valleys of atmospheric pressure and humid air. Unstable weather is likely to continue, and even if the weather forecast does not have an umbrella mark, there are likely some places where showers and thunderstorms will occur. Furthermore, due to the expected high temperatures during the day, rain clouds and thunder clouds are likely to develop locally, and there is a possibility that heavy rain or thunderstorms that fall in a short period of time, such as "guerilla thunderstorms." Be careful of sudden changes in the heat and weather from here onwards.

Weather on Friday the 27th: The severe heat in west and eastern Japan; beware of sudden changes in the weather in Hokkaido

2025/06/27 06:57

A low pressure system accompanied by a front has moved eastward near Sanriku, and the front that caused rain near Honshu on the 26th is far from Japan's Tokai. High pressure in western Japan is bulging out from the south.


Today, Friday the 27th, the area around Honshu will be sunny and sunny, mainly on the Pacific side of western and eastern Japan. The expected maximum temperature during the day will be around 32 C, making it likely to be extremely hot. It is expected that the temperature will rise to 36 C in Maebashi and Kumagaya, and 35 C in Shizuoka, Nagoya and Kyoto, making it extremely hot. Be careful of heat stroke and make sure to drink plenty of water and take breaks.
There are a lot of clouds in Hokuriku and Tohoku, and there are likely some places that will temporarily rain, especially in the morning.



In the afternoon, in Hokkaido, the air condition is expected to become extremely unstable due to the effects of the cold air above. Looking at the lightning probability forecast, there is a high probability of over 90%, mainly inland, and there is a high possibility that the weather will change dramatically from the afternoon to the evening. Be careful of sudden rain, thunderstorms, gusts of wind, such as lightning or tornadoes.
From the evening to tonight, there is a possibility of showers on the mountains and some inland areas in Tohoku, Hokuriku, and Kanto-Koshin. If you are late to return, it is a good idea to have a folding umbrella when you go out.

[Japan Meteorological Agency - One Monthly Forecast - Beware of severe heat]

2025/06/26 17:07

Today, the 26th (Thursday), the Japan Meteorological Agency announced the latest one-month forecast.
For the next month, the Pacific high pressure will be strong, mainly around western Japan, and
It is expected that the Pacific high pressure will be easily covered in East to Northern Japan.

Points for the next month
Temperature: High nationwide
Precipitation: There are many places that are as normal or not high in places.



[Temperature]
Temperature for the next month will likely be high nationwide as it is easily covered in warm air.



[Pressure]
From June 28th to July 4th, the Pacific high pressure overhang was particularly strong, and
There are many sunny days over a wide area from western Japan to northern Japan, and precipitation will be as low as normal or less.
In Okinawa and Amami, there are more sunny days than usual.
On the other hand, from around July 5th, there will be fewer sunny days than normal as they will be affected by humid air around Okinawa and Amami.
On the other hand, pressure in the south of Japan is predicted to be lower than normal, and there are times when Okinawa and Amami are likely to be susceptible to humid air.



According to the "Early Weather Information on High Temperatures" released today along with the one-month forecast, there is a high possibility that the temperature will be significantly higher nationwide, at a level once in a decade.
Please be careful when managing your health by hydrating and replenishing your salt to avoid heat stroke, and using appropriate air conditioning.

Effects of former Typhoon No. 2 and the front line: Beware of sudden heavy rain; clear weather and extreme heat as if after the rainy season has ended from the weekend [Weekly weather]

2025/06/26 12:34

A cold front extending from a cyclone that moves eastward through the Sea of Japan is passing through western Japan.
In addition, a tropical cyclone that has changed since Typhoon No. 2 is moving north over Tokai in the Kanto region.



In particular, rain clouds and thunder clouds have developed around the cold front, and
We have observed heavy rainfall of over 20 mm per hour until 11am.

Heavy rain warnings have been issued in the Kinki, Tokai and Hokuriku regions, and we need to be careful of landslides caused by heavy rain and flooding in lowlands in the evening.



After this, the active rain clouds will move eastward from the evening, and are expected to hit northern Japan, including Tohoku.

Even though the weather has now recovered, there is a risk of sudden thunderstorms coming in after this, and there is a risk of heavy rain over 30mm per hour in eastern and northern Japan.



From tonight to tomorrow morning, the area where heavy rain will be
Alarm level has been announced quite widely, and there is a possibility of heavy rainfall of warning level between
Kinki and Hokkaido.

Locally, heavy rain can suddenly fall in a short period of time, leading to heavy rain.

In urban areas, drainage may not keep up, causing roads to turn like rivers, or underpasses to be flooded.


There is a risk of severe gusts of wind such as lightning strikes and tornadoes.

If you hear thunder or heavy rain, do not force yourself to act and stay in a sturdy building.



From the afternoon of tomorrow, the 27th (Friday), the weather will improve around Honshu, and from Saturday, the 28th (Saturday), the sky will be covered in high pressure nationwide, as if the rainy season has ended.


The intense heat has returned, and extreme hot days are expected, mainly in western Japan and the Tokai region.



The Japan Meteorological Agency has also released "early weather information on high temperatures," and is expected to reach "severe high temperatures" nationwide from around Sunday, the 29th.

Normally, this time of year, it is in the middle of the rainy season
/No many days are hot/fast, but this year, the rainy season does not last very long, and the sunny weather during the rainy season is characterized by a "extreme heat".

It's before the end of the rainy season, but after the weekend, please take measures to prevent the heat just like midsummer.