Weather for tomorrow 6th (Monday) The rainy season continues in western and eastern Japan...

2026/07/05 17:33

The rainy season front is stationary from western Japan to eastern Japan, and the rainy season sky is likely to continue.



The Nansei Islands will be within the high pressure area, and summer skies are expected to continue. Rain is expected to fall over a wide area of western and eastern Japan due to the influence of the rainy season front. There is a risk of locally heavy rain in western Japan, especially in the morning. Even if there is little sunlight, it will be hot and humid during the day. Take precautions against heatstroke by using an air conditioner or dehumidifier. In the Kanto region, the weather will be unstable with rain coming and going. Even if it's not raining in the morning, bring an umbrella with you when you go out. Clouds are expected to prevail in northern Japan. It seems like there won't be any use of umbrellas, but it looks like it's going to be a gloomy day.

Typhoon No. 9 is moving north with ferocious force, and there is a risk that it will approach Okinawa in the second half of next week

2026/07/05 13:35

As of 12:00, the ferocious Typhoon No. 9 is moving west-northwest across the Mariana Islands at a speed of 10 km/h, accompanied by strong winds.

#Typhoon No. 9 5th (Sun) 12:00
==================
Center location Mariana Islands
Movement West-northwest 10km/h
Central pressure 920 hPa
Maximum wind speed 55 m/s (near the center)
Maximum instantaneous wind speed 75 m/s
==================



Satellite images show that the eye of the typhoon is clearly visible, indicating that it has developed into a very strong typhoon. The typhoon is expected to continue to maintain its ferocious strength as it passes through Guam and Saipan islands tomorrow, the 6th (Monday), and is expected to move westwards around the 8th (Wednesday). After that, it will change course to the north and is expected to move south of Okinawa with "very strong" force, accompanied by stormy winds, around the 10th (Friday).
There is a risk that Okinawa will be affected by heavy rain, strong winds, and high waves from the second half of next week, so please pay attention to future typhoon information and prepare for typhoons early.

Extremely heavy rain in northern Kyushu. Linear rain bands may form in the afternoon. Strict vigilance for heavy rain disasters

2026/07/05 11:21

The seasonal rain front extending from central China is expected to stay mostly stationary from northern Kyushu to the Tsushima Strait until tomorrow, the 6th (Monday).
In the northern Kyushu region, warm, humid air is flowing toward the front, and active rain clouds have formed around 7:00 p.m.

As of 10:00, 76.0mm/h at Soeda in Soeda Town, Fukuoka Prefecture, 70.5mm/h at Kahoku in Yamaga City, Kumamoto Prefecture, and Minouyama in Kurume City, Fukuoka Prefecture. Heavy rain has been occurring in many places in northern Kyushu, with extremely heavy rain of 67.5 mm/h being observed on the Sun), and there are areas in Fukuoka Prefecture where a level 4 landslide warning has been issued.



In the northern Kyushu region, extremely unstable atmospheric conditions will continue into the morning of tomorrow, the 6th (Monday). Heavy rain is expected to occur, with intermittent heavy rain of over 50mm per hour accompanied by lightning and heavy rain of over 30mm per hour. A linear rain band will develop into the afternoon of the 5th, and there is a possibility that the risk of heavy rain disasters will rapidly increase, so strict vigilance is required to avoid landslides, flooding of low-lying land, and rising and flooding rivers.
Additionally, cumulonimbus clouds will develop locally into the evening of tomorrow, the 6th (Monday), and there is a risk of violent gusts such as lightning and tornadoes occurring. Be careful of strong wind gusts such as lightning and tornadoes.

[Rain report]
Precipitation amount from the start of rain (08:00 on the 3rd to 07:00 on the 5th (preliminary figures by AMeDAS))
Yamaguchi Prefecture
Takezaki, Shimonoseki City 93.5mm
Hofu 69.0mm
Fukuoka Prefecture
Fukuoka City Sawara Wakiyama 124.0mm
Dazaifu 118.0mm
Oita Prefecture
Sanbonmatsu, Hita City 86.0mm
Oita Nagahama 70.5mm
Saga Prefecture
Kitayama, Saga City 152.5mm
Tosu 136.5mm
Kumamoto Prefecture
Aso City Aso Otohime 108.5mm
Akababa, Minamioguni-cho 74.0mm
Nagasaki Prefecture
Matsuura 129.0mm
Hirado 124.5mm

# Expected amount of rain (in places where there is a lot)
+Expected 1 hour precipitation amount for today 5th
Yamaguchi Prefecture 30mm
Fukuoka prefecture 50mm
Saga prefecture 50mm
Nagasaki prefecture 50mm
Oita prefecture 40mm
Kumamoto Prefecture 50mm
1-hour precipitation expected for tomorrow 6th (Monday) Yamaguchi Prefecture 40mm
Fukuoka Prefecture 50mm
Saga Prefecture 50mm
Nagasaki Prefecture 50mm
Oita Prefecture 50mm
Kumamoto Prefecture: 40mm
+24-hour precipitation expected by 6:00 a.m. tomorrow 6th (Monday)
Yamaguchi Prefecture: 120mm
Fukuoka prefecture 150mm
Saga prefecture 150mm
Nagasaki prefecture 150mm
Oita prefecture 120m m
Kumamoto Prefecture 150mm
+24-hour precipitation expected by 6 o'clock on the 7th
Yamaguchi Prefecture 30mm
Fukuoka Prefecture 30mm
Saga Prefecture 50mm
Nagasaki Prefecture 50mm
Oita Prefecture 50mm
Kumamoto Prefecture 50mm
If a linear precipitation band occurs, there is a risk that the amount of rainfall will increase locally. The following are the regions and periods where linear precipitation belts may occur and the risk of heavy rain disasters may rapidly increase.
Fukuoka Prefecture (Northern Kyushu region (including Yamaguchi Prefecture)) From noon to early afternoon today 5th
(Northern Kyushu region (including Yamaguchi Prefecture)) Saga Prefecture From noon to early afternoon today 5th
Nagasaki Prefecture From noon to early afternoon today on the 5th
(Northern Kyushu region (including Yamaguchi Prefecture)) Kumamoto Prefecture From before noon to early afternoon today on the 5th

Northern Kyushu: Linear precipitation belt possible; strict warning against landslides and flooding

2026/07/05 06:23

According to the Japan Meteorological Agency's announcement at 3:55 am today on the 5th, there is a possibility that a linear rain band will form in the northern Kyushu region (including Yamaguchi Prefecture), rapidly increasing the risk of heavy rain disasters.


The following are the regions and periods where linear precipitation bands may occur and the risk of heavy rain disasters may increase rapidly.
Fukuoka Prefecture From noon to early afternoon on the 5th
(Northern Kyushu region (including Yamaguchi Prefecture)) Saga Prefecture From noon to early afternoon on the 5th
Nagasaki Prefecture From noon to early afternoon on the 5th
(Northern Kyushu region (including Yamaguchi Prefecture)) Kumamoto Prefecture From before noon to early afternoon on the 5th

As of 6 o'clock, active rain clouds are covering northern Kyushu, and
thunder has also been observed.



Please be wary of rising waters and flooding of rivers,
landslides such as collapse of slopes and landslides.

Please pay attention to information such as Kikikuru on the Japan Meteorological Agency website.

[Weather commentary information] Northern Kyushu is warned of heavy rain, lightning, and gusty winds through the 6th

2026/07/04 19:24

The seasonal rain front extending from central China will remain mostly stationary from northern Kyushu to the Tsushima Strait until the 6th. In northern Kyushu, warm, humid air is expected to flow toward the front, and atmospheric conditions are expected to continue to be extremely unstable.



As a result, heavy rain accompanied by thunder will fall intermittently from the morning of the 5th until late at night in northern Kyushu, resulting in heavy rain. If the front becomes more active than expected, there is a possibility of warning-level heavy rain. In addition, cumulonimbus clouds will develop locally into the 5th, and there is a risk of strong wind gusts such as lightning strikes and tornadoes.

The predicted hourly precipitation from the 4th to the 5th is high in some places:
Yamaguchi Prefecture 20mm
Fukuoka Prefecture 40mm
Saga Prefecture 40mm
Nagasaki Prefecture 40mm
Oita Prefecture 30mm
r Kumamoto Prefecture 30mm

24-hour precipitation expected from 18:00 on the 4th to 18:00 on the 5th is high
Yamaguchi Prefecture 30mm
Fukuoka Prefecture 100mm
Saga Prefecture 80mm
Nagasaki Prefecture 100mm
Oita Prefecture 80mm
Kumamoto Prefecture 80mm

Then, the expected 24-hour precipitation from 6pm on the 5th to 6pm on the 6th is high
Yamaguchi Prefecture 100mm
Fukuoka Prefecture 120mm
Saga Prefecture 100mm
Nagasaki Prefecture 120mm
Oita Prefecture 80mm
Kumamoto Prefecture 80mm

Please be careful of landslides, inundation of low-lying areas, and rising and flooding rivers.
Be careful of strong wind gusts such as lightning and tornadoes. If there are signs that a cumulonimbus cloud is approaching, please take precautions such as moving inside a building.

For information on your area, please check "Kikikuru" on the
Japan Meteorological Agency website.

Weather for tomorrow 5th (Sunday) Rainy season in western and eastern Japan

2026/07/04 17:43

The rainy season front will likely remain stationary in western Japan, and the weather is likely to be unsettled in western and eastern Japan.



Okinawa and Amami are expected to be covered in high pressure and receive sunlight. During the day, the temperature will exceed 30c, making it feel hot and humid. Western and eastern Japan are likely to experience more rain due to the influence of the rainy season front. Please be careful of heavy rain in Kyushu. Although there is little sunlight, the temperature will rise to nearly 30 degrees Celsius, making it humid and uncomfortable. Clouds tend to spread in northern Japan, but there are no major changes in the weather, so umbrellas are unlikely to be used. Temperatures are expected to exceed 30 degrees Celsius during the day in Hokuriku and the Sea of Japan side of northeastern Japan. Please make sure to drink plenty of water and take breaks.

From now on, the heat will gradually become severe and the days will become extremely hot, so be sure to take precautions against heatstroke.

2026/07/04 14:03

From now on, the heat will gradually become more severe from next week onwards. The Pacific high pressure system south of Japan is gradually gaining strength, making it easier for warm air to enter the vicinity of Japan. In sunny places, temperatures will be higher than normal, and some places may record extremely hot days of 35 C or higher.





In western Japan, many places are expected to experience midsummer days with maximum temperatures of 30c or higher from around the 7th (Tuesday), and many places will continue to experience midsummer days with temperatures of 30c or higher every day after that. In areas where the sun is sunny and strong during the day, there may be some extremely hot days with temperatures exceeding 35 degrees Celsius. The temperature does not drop much at night, and there are some places where it can become a tropical night.

In eastern Japan, many places in the Hokuriku and Tokai regions will experience midsummer days with maximum temperatures of 30c or higher starting from the 7th to the 8th. In the Kanto region, the heat will become severe, with the maximum temperature in Tokyo expected to reach 30c or higher from around the 9th (Thursday). Even in northern Japan, temperatures tend to be higher than normal, and are expected to reach ``considerable high temperatures.''

The risk of heatstroke increases in various places. To avoid heatstroke, be sure to drink plenty of water and salt, take adequate breaks, and take all necessary precautions.

Active rain clouds accompanying the rainy season front in western Japan; heavy rain with localized thunderstorms; watch out for heavy rain again in Kyushu tomorrow, the 5th (Sun)

2026/07/04 12:16

Today, the 4th (Saturday), the rainy season front is stationary near western Japan. Very warm and humid air is flowing towards the seasonal rain front, creating active rain clouds over western Japan.

As of 11 a.m., heavy rain of 31.0mm per hour has been observed in Kinnaga, Kihoku-cho, Ehime Prefecture. In places such as Takeda City in Oita Prefecture and Aso City in Kumamoto Prefecture, heavy rain of over 20mm per hour has been observed, with some places experiencing heavy downpours.



The active rain clouds are moving eastward little by little, and the rain will become heavier in the Chugoku, Shikoku, and Kinki regions after the afternoon. In the Kinki region, heavy rain with thunder is expected in some places from the evening onwards, and in the Tokai region, there is a risk of heavy rain with thunder in the vicinity of Mie Prefecture from the evening to early night. Caution and vigilance are required for landslides, flooding of low-lying areas, and rising and flooding rivers.
Although the peak of rain has passed in some places in Kyushu, the rain is expected to become heavier in some places, and the ground has loosened in some places due to heavy rain, so please be careful of landslides even with low rainfall.
There are likely to be localized rain and thunderstorms in eastern Japan in the afternoon.



Tomorrow, the 5th (Sun), Kyushu will be covered in active rain clouds near the seasonal rain front again from the west. It will rain from the morning, and please be careful of heavy rain accompanied by thunder until around noon.
In eastern Japan, it will be raining in the morning in the Kanto and Tokai regions, and there will be some places in the Izu Islands where the rain will become heavier with thunder.

[Typhoon information] Double typhoon. Pay attention to the movement of Typhoon No. 9. It is expected to develop into a ferocious force.

2026/07/04 07:54

Today, the 4th (Saturday), Typhoon No. 9 was near the Truk Islands, with very strong force, and moving westward at a speed of approximately 15 kilometers per hour.
Meanwhile, Typhoon No. 10 is located in the Gulf of Tonkin and is moving north-northwest at a speed of approximately 20 kilometers per hour.

#Typhoon No. 9 4th (Sat) 6:00 a.m.
==================
Strength Very strong
Center location Sea near Truk Islands
How to travel Direction, speed West 15km/h
Central pressure 935hPa
Maximum wind speed 50m/s (near the center)
Maximum instantaneous wind speed 70m/s
================ ===

#Typhoon No. 10 4th (Sat) 6:00 am
==================
Center location Gulf of Tonkin
Moving direction and speed North-northwest 20km/h
Central pressure 996hPa
Maximum wind speed 20m/s (near the center)
Maximum instantaneous wind speed 30m/s
==================



Typhoon No. 9 is expected to advance westward in the waters near the Truk Islands as it continues to intensify, and is expected to become a "violent" force by 6:00 tomorrow, the 5th (Sunday).
Then, on the 9th (Thursday), it will lose strength and move east of the Philippines as a "very strong" force.
Depending on its path, Typhoon No. 9 may approach Okinawa and have an impact around the end of next week.

Meanwhile, Typhoon No. 10 is expected to make landfall in southern China at 6:00 on the 5th (Sunday). Although people in southern China need to be careful about heavy rain, there is no expectation that there will be any direct impact on Japan.

Please pay attention to future information.

[1-month forecast] Temperatures are higher than normal in northern, eastern, and western Japan. Take precautions against heat stroke

2026/07/03 23:49

The Japan Meteorological Agency announced the forecast for the month from July 4th to August 3rd on the 2nd (Thursday).

For the next month, northern, eastern, and western Japan will likely be covered in warm air, and temperatures are expected to be high.
The Pacific side of eastern Japan and western Japan will be less affected by the seasonal rain front and humid air during the first half of the period, so precipitation will be at or below normal.



Prediction results from the numerical forecast model.
The monthly average sea level pressure (figure on the left) predicts that eastern and western Japan will be covered by the Pacific anticyclone, and the Pacific side of eastern Japan and western Japan will be less affected by the seasonal rain front and humid air during the first half of the period. On the other hand, atmospheric pressure is predicted to be lower than normal in the south of Japan, and Okinawa and Amami are expected to experience periods when they are susceptible to the effects of humid air.

The temperature at an altitude of approximately 1,500 meters (right chart) is predicted to be higher than normal in northern, eastern, and western Japan, and will likely be covered in warm air.




Forecast of average temperature, precipitation, and sunshine hours for the next month, and weekly average temperature (probability of occurrence (%)).

Northern, eastern, and western Japan are likely to be covered by warm air, so temperatures will be high over the next month. Temperatures can be quite high, especially during the first half of the period.
In Okinawa and Amami, it will be about normal.

The Pacific side of eastern Japan and western Japan will be less affected by the seasonal rain front and humid air during the first half of the period, so precipitation over the next month will be at or below normal.
Okinawa/Amami has periods where it is susceptible to humid air, so precipitation over the next month will be at or above normal.

Sunshine hours will be about average.


The Pacific side of eastern Japan and western Japan are not expected to be affected by the rainy season front in the first half of the period, but there is a possibility of locally heavy rain during the rainy season. Don't forget to prepare for heavy rain disasters and check the latest weather information.

In addition, temperatures are expected to be higher than normal in northern, eastern, and western Japan. The heat of summer is finally upon us, but your body is still not used to the heat, so please take precautions against heat stroke, such as hydrating frequently, taking breaks, and using the air conditioner even indoors.
Please check the "Heatstroke Warning Alert" jointly announced by the Japan Meteorological Agency and the Ministry of the Environment, and take active measures to prevent heatstroke, such as canceling outdoor activities on the day of the announcement.