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Nan province battles severe flooding as rivers overflow across multiple districts

Heavy downpours have triggered widespread flash flooding across Nan province, with the Nan River breaching its banks in several districts. Residential areas remain inundated while numerous roads have become impassable due to rising water levels.

LSN Thailand · 19 August 2026

Nan province battles severe flooding as rivers overflow across multiple districts

Intense rainfall has unleashed a wave of flooding across Nan province, with the overflowing Nan River affecting communities in multiple districts throughout the region. The deluge has submerged homes and farmland, disrupting normal life for residents across the affected areas.

The combination of persistent heavy rain and river overflow has rendered several major routes impassable, creating significant obstacles for transportation and emergency services. Authorities have warned residents in vulnerable zones to remain vigilant and prepared for potential evacuation if conditions worsen.

Flash flooding remains a seasonal concern in Nan province, particularly during the monsoon period when concentrated rainfall can rapidly swell rivers and tributaries. Local officials have mobilized response teams to assist affected communities and monitor water levels as the situation continues to develop.

Residents have been urged to avoid flooded areas and to heed official warnings regarding road closures and water safety. Authorities are continuing to assess the full extent of damage and maintain surveillance on river conditions in the coming days.