India, Sept. 21 -- Monsoon retreats from northwest India as temperatures rise, while a strengthening Bay of Bengal system threatens heavy rain across several states.

Low-pressure system over the Bay may intensify further, bringing heavy rainfall and strong winds to Odisha, Andhra Pradesh and neighbouring regions.

Delhi-NCR is expected to remain mostly dry, with temperatures nearing 36degC as monsoon withdrawal brings warmer daytime conditions.

Heavy rainfall warnings cover Karnataka, Telangana, Tamil Nadu, Chhattisgarh, Maharashtra and other regions amid thunderstorms, lightning and gusty winds.

Fishermen face dangerous sea conditions as strong winds are forecast across the Bay of Bengal, Arabian Sea and surrounding coastal waters.

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