Weather tomorrow, October 19: Heavy rain warnings for Tamil Nadu, Kerala, Karnataka, Andhra Pradesh & Telangana till October 24; check city-wise IMD forecast

The India Meteorological Department (IMD) has forecast continued rainfall across several southern states from October 19 to October 24, with isolated heavy to very heavy rainfall likely in parts of Tamil Nadu, Puducherry, Kerala, Karnataka, Andhra Pradesh and Lakshadweep. Tamil Nadu, Puducherry and Karaikal are expected to receive widespread rainfall throughout the period, while Kerala and parts of Karnataka are also likely to experience persistent wet weather. The weather department has forecast thunderstorms, lightning and gusty winds in several areas, with strong surface winds likely over Coastal Andhra Pradesh, Yanam and Rayalaseema until October 22. Meanwhile, a low-pressure area that formed over the southwest Arabian Sea on October 18 is likely to become more marked over the next 24 hours, according to the IMD bulletin.

Here is the state-wise weather forecast and rainfall outlook from October 19 onwards.

Tamil Nadu weather forecast: Heavy to very heavy rain till October 24

Tamil Nadu, Puducherry and Karaikal are likely to experience fairly widespread to widespread rainfall from October 19 to October 24. The IMD has forecast isolated very heavy rainfall in these areas from October 19 to October 21, followed by isolated heavy rainfall from October 22 to October 24.


Read more - Dussehra 2026: When is Vijay Muhurat? Check Dashami Tithi, puja timings, Ravana Dahan, Durga Visarjan rituals & significance

Thunderstorms, lightning and gusty winds reaching speeds of 40-50 kmph, with gusts of up to 60 kmph, are also likely during this period.

Tamil Nadu recorded extremely heavy rainfall during the 24 hours ending at 8:30 am on October 18, according to the IMD. Among the locations reporting significant rainfall were Parrys in Chennai, which recorded 36 mm, and Kathivakkam in Chennai, which received 34 mm.

Kerala weather forecast: Rainfall likely through October 24

Kerala and Mahe are likely to receive fairly widespread to widespread rainfall from October 19 to October 24. Isolated heavy rainfall is also forecast throughout this period.

Gusty winds reaching speeds of 30-40 kmph, with gusts of up to 50 kmph, are likely on October 19 and 20. Isolated thunderstorms and lightning are forecast for October 21 and 22.

Lakshadweep is also expected to receive widespread rainfall during the October 19-24 period. Isolated heavy rainfall is likely from October 21 to October 23, while thunderstorms, lightning and gusty winds may affect the region earlier in the week.

Karnataka weather forecast: Rain in coastal and interior districts

South Interior Karnataka is likely to receive fairly widespread to widespread rainfall from October 19 to October 24, with isolated heavy rainfall forecast throughout the period.

Gusty winds reaching 30-40 kmph, with gusts of up to 50 kmph, are likely on October 19 and 20. North Interior Karnataka may also receive isolated to scattered rainfall throughout the October 19-24 period.

Coastal Karnataka is likely to experience fairly widespread to widespread rainfall on October 19 and 20, followed by isolated to scattered rainfall on October 21 and 22. Widespread rainfall is forecast to return on October 23 and 24.

Andhra Pradesh weather forecast: Rain and strong winds till October 22

Coastal Andhra Pradesh, Yanam and Rayalaseema are likely to receive isolated to scattered rainfall from October 19 to October 24. The IMD has forecast isolated heavy rainfall in these regions from October 19 to October 21.

Thunderstorms, lightning and gusty winds are likely on October 19 and 20. Gusty winds reaching 30-40 kmph, with gusts of up to 50 kmph, may occur on October 21 and 22.

Strong surface winds are also likely over Coastal Andhra Pradesh, Yanam and Rayalaseema from October 19 to October 22.

The IMD had forecast isolated very heavy rainfall in these regions on October 18, but the outlook for October 19 onwards indicates isolated heavy rainfall through October 21.

Telangana weather forecast: Rain and thunderstorms till October 21

Telangana may receive isolated to scattered rainfall from October 19 to October 21. Thunderstorms, lightning and gusty winds are also likely during this period.

The IMD has forecast gusty winds reaching speeds of 30-40 kmph, with gusts of up to 50 kmph, over Telangana as part of the wider weather activity affecting southern and adjoining peninsular India.

Why is southern India likely to receive continued rainfall?

According to the IMD, multiple weather systems are influencing conditions over southern India and adjoining areas.

An upper-air cyclonic circulation persists over the west-central Bay of Bengal and adjoining coasts of south Andhra Pradesh and Tamil Nadu. Another circulation lies over North Interior Karnataka, while a trough extends from Lakshadweep to the west-central Bay of Bengal across Karnataka and south Andhra Pradesh.

A low-pressure area also formed over the southwest Arabian Sea at 8:30 am on October 18 under the influence of an upper-air cyclonic circulation. The system is likely to become more marked over the following 24 hours.

These weather systems are contributing to the forecast of continued rainfall, thunderstorms and gusty winds across parts of southern India.

IMD weather forecast for October 19-24: Regions with no significant weather

The IMD has forecast no significant weather activity over Northwest, Central, East, West and Northeast India during the week covered by the bulletin.

However, weather conditions may differ across local areas. Residents should check the latest IMD forecasts and district-wise warnings for updates relevant to their location.

IMD fishermen warning for October 19-22

The IMD has issued a fishermen warning for the southwest Arabian Sea and adjoining sea areas from October 19 to October 22.

Fishermen and those planning marine activities should consult the latest official IMD marine forecasts and warnings before heading out to sea.


Disclaimer: Weather forecasts and warnings are subject to change. Readers are advised to check the latest updates issued by the India Meteorological Department (IMD) for their respective areas.