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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.
Heavy rain raises overflow risk in low-lying areas, RID warns
THURSDAY, JUNE 04, 2026
The Royal Irrigation Department warns of heavy accumulated rain from June 4-10, with low-lying and foothill areas at flood risk
ONWR puts six provinces on flood alert as heavy rain hits Thailand
MONDAY, JUNE 01, 2026
Thailand’s water authorities have warned of possible flooding, flash floods, forest run-off and mudslides in six eastern and southern provinces as a strong south-west monsoon and monsoon trough bring heavy rain.
ONWR warns 15 provinces across Thailand of heavy rain and flood risk
SUNDAY, MAY 31, 2026
Rainfall may exceed 100mm within 12 hours in parts of Thailand between Friday (May 29, 2026) and Monday (June 1, 2026), with Phuket under close watch.