Thai Enquirer News Summary – August 20, 2026

On August 20, 2026, flooding in Nan province of Thailand has begun to recede as water levels in the city peaked around 2 AM the previous night. If no more rain occurs, recovery can commence. However, Nan River's water level remains constant, but residents should continue to stay alert for possible flash floods and river overflows due to heavy rainfall. The Nan Provincial Public Relations Office has reported the worsening flood situation.

The flooding intensified due to non-stop heavy to very heavy rainfall, causing flash floods and sudden inundation. Massive bodies of water rushed into the Pua and Khwang rivers, submerging homes in several Pua District communities. Major roads were rendered impassable, including Highway 101 (Pua-Chiang Klang route) and Highway 1256 (Pua-Bo Kluea route, with a damaged bridge).

Seven subdistricts, 60 villages, and 8,000 households across Nan were affected, with over 16,000 people impacted. Two fatalities have been reported: a bedridden patient in Pua District swept away by flash flood and a resident in Tha Wang Pha District. A disaster zone has been declared as over 200 millimeters of rain triggered flash floods, landslides, and road closures. Authorities warned at-risk communities to prepare for possible evacuation.

Nan's Prime Minister Anutin Charnvirakul, currently in Australia, has directed government agencies and the military to help residents, restore access to isolated communities, and provide food and evacuation support. Border Patrol Police are deployed to monitor high-risk areas and assist residents. Authorities advise low-lying and foothill communities to move belongings and vehicles to higher ground and prepare to evacuate vulnerable residents.

Heavy rain is predicted across northern, northeastern, and central Thailand through August 21, posing further threats of flash floods, landslides, and river overflows. Prime Minister Anutin has altered his itinerary to oversee the situation in Nan after being instructed by the Prime Minister. The Meteorological Department predicts thunderstorms, heavy rainfall, and strong winds in August 2026, which may result in similar weather-related disasters in the region.