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Eight Thai provinces warned of sharp rise in Mekong water levels
TUESDAY, AUGUST 11, 2026
Eight provinces along the Mekong in northern and northeastern Thailand are on alert for possible overflow from August 11-15, with water levels expected to rise by 0.5-1.5 metres.
Northern and eastern Thailand face floods as hospitals stock supplies
SATURDAY, AUGUST 01, 2026
Heavy rain threatens northern districts through August 3, while hospitals nationwide prepare 72-hour reserves as flood and landslide risks persist
Thailand Braces for Severe El Niño as Water Office Warns of Dry Spells into 2027
WEDNESDAY, JULY 29, 2026
ONWR coordinates 14 state bodies to tackle impending drought and clear drainage paths, confirming Chao Phraya dam reserves remain sufficient
Flood and landslide warning for Trat and Chanthaburi
TUESDAY, JULY 28, 2026
ONWR has placed nine districts in Trat and Chanthaburi on alert for urban flooding, flash floods, run-off and landslides through August 1.
ONWR warns four northern provinces of heavy rain, flooding and landslides from July 23-25
THURSDAY, JULY 23, 2026
The Office of the National Water Resources has warned of heavy rain in northern Thailand from July 23-25, with several areas at risk of flash floods, forest runoff and landslides.
Nan and Tak face highest flash-flood risk in three-day rain alert
THURSDAY, JULY 16, 2026
Northern Thailand is on alert for heavy rain from 16-18 July, with parts of Nan and Tak forecast to receive more than 200 millimetres and face severe flash-flood and landslide risks.
ONWR orders dynamic water plan as Thailand rainfall is 12% below normal
SUNDAY, JUNE 28, 2026
Agencies were told to prioritise rainwater and conserve reservoir supplies, with dry spells forecast in some areas from July's second week.
Thailand faces harsher dry spell as El Niño fuels weather risks, ONWR warns
MONDAY, JUNE 22, 2026
ONWR warns Thailand faces a longer dry spell, heatwaves, drought risks and possible flash floods as El Niño affects weather through 2026
ONWR monitors five Thai reservoirs above maximum storage levels
THURSDAY, JUNE 18, 2026
Rain was reported in every region on Wednesday (June 17, 2026), with Buri Ram recording the country’s highest rainfall at 74 millimetres.
ONWR warns high tides could affect seven provinces in Thailand
SUNDAY, JUNE 14, 2026
The warning covers Monday (June 15, 2026) to Thursday (June 18, 2026), with low-lying riverside communities urged to prepare for overflow and saltwater intrusion.