Thailand anticipates widespread thunderstorms, with heavy downpours particularly in the east and along the southwestern coast.
The Meteorological Department confirms Typhoon "Mekkhala" will not affect Thailand, tracking towards southern Japan.
A moderate southwesterly monsoon and a low-pressure cell are generating volatile weather, prompting marine alerts for rough seas up to two meters.
Southern provinces, including Ranong, Phang Nga, and Phuket, are forecast to bear the brunt of heavy rain and strong winds, while Bangkok also expects afternoon/evening thunderstorms.
Torrential downpours forecast nationwide
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Thailand's Meteorological Department issued its first severe weather warning for heavy to very heavy rainfall from October 18-25.
The warning covers potential flash floods, forest runoffs, and landslides across southern, eastern, northeastern, and central regions, including greater Bangkok.
The severe weather will unfold in two distinct phases, intensifying and expanding its footprint across various parts of the country.
Authorities urge communities in vulnerable areas to remain on high alert, with disaster response agencies placed on standby to assist residents.