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Flooding spreads across 21 provinces as monsoon rains shift southward

Significant flooding has affected 21 provinces across Thailand as the southwest monsoon system continues to advance toward southern regions. Authorities are monitoring water levels and rainfall patterns as the weather system moves through the country.

LSN Thailand · 11 October 2026

Thailand's meteorological authorities reported widespread flooding across 21 provinces on Thursday, with heavy rainfall continuing to impact multiple regions. The inundation follows an active monsoon pattern that has affected central and northeastern areas in recent days.

The southwest monsoon system is expected to progress southward over coming days, bringing additional rainfall to provinces in southern Thailand. Meteorologists predict the weather pattern will persist throughout the week, potentially affecting vulnerable low-lying communities and agricultural areas across the affected regions.

Flood response teams have been mobilized in impacted provinces to assist affected residents and coordinate evacuation efforts where necessary. Local authorities are urging residents in flood-prone areas to remain alert and prepare contingency measures. River monitoring stations continue tracking water levels in major watersheds to provide early warning of potential flash flooding.

Thailand's disaster management center has urged the public to avoid traveling through flooded areas and to follow official weather updates. Residents are advised to secure valuables and maintain supply stocks as the inclement weather is expected to persist in coming days.