India, Oct. 21 -- The IMD has issued an orange alert for Tamil Nadu, Puducherry and Karaikal on October 21, warning of heavy to very heavy rainfall of 115.6-204.4 mm.

A developing low-pressure system over the southwestern Bay of Bengal could intensify rainfall across southern India over the next 24-48 hours.

Kerala, Mahe, Andhra Pradesh and South Interior Karnataka face a yellow alert for isolated heavy rainfall.

Rain and snowfall are forecast in the western Himalayan region from October 23, while Delhi, Punjab, Haryana and Rajasthan could experience thunderstorms and strong winds on October 24.

Heavy rainfall is forecast across parts of southern India on October 21, 2026 while northern states, including Delhi, Punjab, Haryana and Raj...