Cyclonic Storm Likely Over the Bay of Bengal by October 26; Heavy to Extremely Heavy Rainfall Forecast Across Several States

Odisha, West Bengal, Bihar and Jharkhand on Alert

CNB WORLD TIMES

Cyclonic Storm Likely Over Bay of Bengal; Heavy Rainfall Alert for Several States

A well-marked low-pressure area over the Bay of Bengal is likely to intensify into a depression on October 24, 2026, and further strengthen into a deep depression on October 25. According to the weather outlook provided, the system is very likely to develop into a cyclonic storm over the west-central Bay of Bengal by the morning of October 26.

The system is expected to move west-northwestwards and continue to intensify. It is likely to reach the west-central Bay of Bengal near the Andhra Pradesh coast around the morning of October 28, 2026.

The developing system may bring widespread rainfall, thunderstorms, lightning and strong winds to several parts of India. Isolated areas are likely to experience heavy, very heavy or extremely heavy rainfall during the forecast period from October 24 to October 30.

Another low-pressure area persists over the southeast Arabian Sea and adjoining Lakshadweep region. Its associated trough, along with other atmospheric systems, is expected to influence rainfall over southern parts of India.

South Peninsular India: Heavy to Extremely Heavy Rainfall Likely

Southern India is likely to experience significant rainfall during the coming days, with some areas facing a risk of extremely heavy downpours.

Tamil Nadu, Puducherry and Karaikal are likely to receive fairly widespread to widespread rainfall from October 24 to 26. Extremely heavy rainfall is forecast in isolated places on October 24 and 25, while very heavy rainfall is likely on October 26. Thunderstorms, lightning and gusty winds of 40–50 kmph, with gusts up to 60 kmph, are also expected during October 24–26.

Kerala and Mahe are likely to experience fairly widespread to widespread rainfall from October 24 to 28. Extremely heavy rainfall is possible in isolated places on October 25 and 26, while very heavy rainfall is forecast on October 24. Heavy rainfall may also occur on October 27.

Lakshadweep is likely to receive widespread rainfall during October 24–26, with heavy rainfall possible on October 24 and 25. Gusty winds may affect the islands during October 24–27.

Coastal Karnataka is likely to experience rainfall on October 24, with isolated very heavy rainfall possible on the same day. South Interior Karnataka may also receive very heavy rainfall on October 24 and heavy rainfall on October 25.

Coastal Andhra Pradesh and Yanam are likely to receive widespread rainfall from October 27 to 29. Extremely heavy rainfall is possible in isolated areas on October 27 and 28. Telangana may also experience extremely heavy rainfall on October 28, followed by heavy rainfall on October 29.

Rayalaseema, Karnataka and other parts of southern India may experience thunderstorms, lightning, gusty winds and periods of heavy rainfall during the forecast period.

East India: Odisha, West Bengal, Bihar and Jharkhand on Alert

Rainfall activity is expected to increase across eastern India from October 27 onwards.

Odisha is likely to receive fairly widespread to widespread rainfall from October 27 to 30. Heavy rainfall is forecast in isolated areas on October 27 and 29, while extremely heavy rainfall is possible on October 28. Thunderstorms, lightning and gusty winds of 40–50 kmph, with gusts up to 60 kmph, are likely during October 27–29.

West Bengal is expected to experience increasing rainfall activity towards the end of October. Sub-Himalayan West Bengal and Sikkim may receive widespread rainfall on October 28 and 29. Gangetic West Bengal is likely to receive widespread rainfall on October 29 and 30. Heavy rainfall is possible in isolated areas of both regions.

Bihar and Jharkhand may receive widespread rainfall from October 28 to 30. Heavy rainfall is likely in isolated areas of Bihar on October 29, with very heavy rainfall possible on October 30. Jharkhand may experience heavy rainfall on October 28 and 29.

A thundersquall, with wind speeds of 50–60 kmph and gusts up to 70 kmph, is likely over Jharkhand on October 28 and 29.

The Andaman and Nicobar Islands are likely to experience widespread rainfall during October 24–27, accompanied by thunderstorms, lightning and gusty winds. Heavy rainfall is also possible in isolated areas during this period.

Northwest India: Rainfall and Thunderstorms Expected

Western disturbances and associated atmospheric circulations are likely to influence weather conditions over parts of northwest India.

Jammu and Kashmir, Ladakh, Himachal Pradesh and Uttarakhand may experience isolated to scattered rainfall on October 24 and 25. Another spell of rainfall is possible over Jammu and Kashmir, Ladakh and Uttarakhand on October 30.

Punjab, Haryana, Chandigarh and Delhi may receive isolated rainfall on October 24, with another spell expected during October 28–29. West Uttar Pradesh may experience rainfall on October 24 and October 29–30, while East Uttar Pradesh is likely to receive widespread rainfall during October 29–30.

Isolated heavy rainfall is forecast over East Uttar Pradesh on October 29 and 30. Thunderstorms and gusty winds are also possible in parts of the region.

East and West Rajasthan may experience isolated thunderstorms and gusty winds on October 24.

Central India: Rainfall Activity to Increase from October 27

Central India is likely to experience increased rainfall activity from October 27 onwards.

East Madhya Pradesh may receive widespread rainfall on October 29 and 30, while West Madhya Pradesh is likely to experience isolated to scattered rainfall during October 28–30.

Vidarbha may receive widespread rainfall on October 28, with heavy rainfall possible on October 29. Very heavy rainfall is also forecast in isolated areas on October 28.

Chhattisgarh is likely to receive widespread rainfall during October 28–29. Heavy rainfall is possible on October 27, with very heavy rainfall in isolated places during October 28–29.

Thunderstorms, lightning and gusty winds are likely over parts of Madhya Pradesh, Vidarbha and Chhattisgarh during this period.

Northeast India: Rain and Thunderstorms Forecast

Several northeastern states are likely to experience intermittent rainfall through October 30.

Assam and Meghalaya may receive isolated to scattered rainfall on October 24 and during October 26–30. Heavy rainfall is likely in isolated areas on October 29 and 30.

Arunachal Pradesh may experience rainfall on October 24 and again during October 28–30. Nagaland, Manipur, Mizoram and Tripura are likely to receive isolated to scattered rainfall throughout October 24–30.

Heavy rainfall is possible in isolated areas of Nagaland, Manipur, Mizoram and Tripura on October 28. Thunderstorms and lightning are also likely over parts of the region during October 27–29.

Weather Advisory: People Urged to Follow Official Updates

With a potential cyclonic storm developing over the Bay of Bengal, residents in coastal Andhra Pradesh and other rainfall-prone areas should closely monitor official weather bulletins.

Heavy to extremely heavy rainfall may lead to waterlogging, local flooding, reduced visibility and disruptions to road transport. Strong winds and thunderstorms may also damage temporary structures and affect outdoor activities.

People in vulnerable and low-lying areas should remain alert, avoid flooded roads and waterlogged underpasses, and follow instructions issued by local authorities. Fisherfolk and maritime operators should follow official marine warnings and advisories.

The forecast system is expected to evolve over the coming days. The exact track, intensity and coastal impacts of the developing system will depend on subsequent meteorological updates. Residents should follow the latest bulletins issued by the India Meteorological Department (IMD) and relevant state disaster management authorities.