There are signs of rain in Bihar in the first week of October. Today (Wednesday) heavy rain alert has been issued in seven districts of the state by Patna Meteorological Center. These seven districts include Kishanganj, Araria, Katihar, Purnia, Bhagalpur, Madhepura and Supaul. Along with lightning shining in these districts, there has also been a warning of thunderstorms. On the other hand, if there is heavy rains, the Dussehra fair may fade in these districts.

Apart from this, there is a possibility of rain in the majority districts of North Bihar with clouds. Its effect starts late at night. The department was issued a yellow alert on rainfall, Saharsa, Madhepura and Purnia between 1:56 am to 4:56 am. On the other hand, in many districts of eastern and central areas of South Bihar, rain and cloud roaring can cause winds at a speed of 30 to 40 km in some places.

The process of rain will continue till October 6

According to the Meteorological Department, the process of rain in the state will continue till October 6. During this time, there is a possibility of rain in all the districts of Bihar. Its effect will be more in North Bihar. If there is rain, there will also be a drop in temperature. According to the Meteorological Department, three to four degrees of mercury may fall in the state since tomorrow (02 October 2025).

On Tuesday, there was some decrease in the temperature of the state. The capital Patna fell by eight degrees to a maximum temperature of 35 degrees Celsius. The highest temperature was 38 degrees Celsius in Motihari. At number two was Farbisganj where the maximum temperature was 37.2 degrees Celsius. The average temperature of the state was close to 35 degrees.

There was no rain in any district during the day on Tuesday. There was very light rain in some places in the morning. According to the report released on Tuesday afternoon, Muzaffarpur received 7.6 mm, East Champaran 3.8 and Sitamarhi 2.8 mm.

The activation of monsoon in Bihar has now reduced considerably, but the south-west monsoon has not been farewell yet. The Meteorological Department estimates that the monsoon will return from Bihar only after the first week of October. Meanwhile, the department has warned that from October 2 to October 6, a period of heavy rains can start once again in the state.

According to the Meteorological Center Patna, there is a possibility of an upper air cyclonic circulation in the northern Andaman Sea on 30 September. Due to this, the area of ​​low pressure can develop in the north and central part of the Bay of Bengal by 1 October. Due to this, the activity of eastern winds in Bihar will increase, humidity will increase and the monsoon can be activated again.

Meteorological department released alert

The department has issued an alert saying that between 2 to 6 October, there will be heavy to very heavy rainfall in many districts of North and East Bihar. Very heavy rain may also occur in some places. During this time, incidents of cloud roaring and thunderstorms will increase in most districts of the state. Especially in the river areas of North Bihar, there is a danger of a sudden rise in water level and water logging or flood in low -lying areas. People have been advised to be vigilant.

The weather will remain dry in most districts including Patna of South Bihar

However, there is no possibility of rain in most districts of the state on Monday. In most districts including Patna of South Bihar, the weather will remain dry and humid heat will remain. Clouds will remain clean in most districts of North Bihar, only a few western and eastern parts may receive light to moderate rainfall. These include Buxar, Rohtas, Aurangabad, Kaimur, Saran, Gopalganj, East and West Champaran, Supaul, Araria and Kishanganj.

Athmalgola of Patna had the highest rain

There was no rain in any district during the day on Sunday, but rain was recorded in many places late in the night. Athmalgola in Patna received the highest 72.2 mm of rain. Apart from this, 21.2 mm of rainfall was recorded in flood, 17.6 in Belchhi and 19.3 mm in Gaya. Light drizzle occurred in many districts including Samastipur, Jamui, Bhojpur, Nalanda, Vaishali.

The day temperature was normal on Sunday. Patna recorded 34.5 degree Celsius, Farbisganj 35.4 degrees and in most districts, 33 to 34 degrees temperatures were recorded. Even today there is no possibility of special change in temperature.

The weather patterns in Bihar are constantly changing. Usually, by the end of September, the southwest monsoon begins to withdraw from the whole country, but the monsoon is still active in Bihar. Meteorologists say that this time it is possible to return monsoon from Bihar only after Dussehra i.e. after October 2.

Monsoon has been returned from other parts of the country like Delhi, Jammu and Kashmir, Himachal Pradesh, Rajasthan, Gujarat and Uttar Pradesh. But there is still a possibility of excess moisture and rain in Bihar.

According to the Meteorological Center, the monsoon is active due to high moisture in the air of Bihar. This moisture is likely to decrease after Dussehra, after which the monsoon will be completely reduced in the state.

Possibility of rain in 20 districts of Bihar

Today, according to the weather forecast for Saturday (27 September), there is a possibility of rain in 20 districts of Bihar. These include the districts of West and North Bihar. Especially rain is expected in West Champaran, East Champaran, Gopalganj, Siwan, Saran, Buxar, Kaimur, Rohtas, Bhojpur, Arwal, Aurangabad, Gaya, Purnia, Katihar, Kishanganj, Supaul, Araria, Madhepura and Saharsa. Apart from this, Patna and Jehanabad can also cloud for some time.

Temperature decreased to some extent after rain

On the day of the day, there was an increase in temperature and humid heat in the day, but in the evening many districts received heavy rains. Red alert was also issued due to excess rainfall in the capital Patna, Gaya, Nawada, Sheikhpura, Lakhisarai, Jamui, Munger, Vaishali, Aurangabad, Arwal, Jehanabad, Nalanda, Khagaria, Siwan, Saran and Bhojpur. After the rain, the temperature declined and the humidity decreased to some extent.

The highest temperature recorded 37.4 degrees Celsius in Purnia

On the previous day, the highest temperature was recorded at 37.4 degrees Celsius in Purnia, while Motihari, Balmiki Nagar and Ferbisganj also had a temperature of more than 37 degrees. Patna recorded a temperature of 35.4 degrees Celsius with 0.5 degrees increase. The average temperature of the state was between 34–35 degrees Celsius.

There is no possibility of special change in temperature on Saturday. There will be strong sunlight and humid heat during the day. Meteorologists have warned people to take care of refreshments and hydration in the morning and evening due to heat and humidity.