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Thailand faces uneven water picture as Pasak drops to 13%
FRIDAY, JULY 17, 2026
Water storage at Pasak Jolasid Dam has dropped to only 13% of capacity, highlighting sharp differences in reservoir levels across Thailand as authorities prepare for rainfall to ease over the coming days
Heavy rain threat keeps Bueng Kan, Chiang Mai on alert watch
SUNDAY, JULY 05, 2026
Thailand’s water agency warns of heavy rain, flash floods and high Andaman waves from July 5-9, with Bueng Kan and Chiang Mai under close watch.
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.
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.
Thailand faces prolonged El Niño risk as DCCE steps up response
TUESDAY, JUNE 16, 2026
Thailand is expected to face a high risk of El Niño conditions from June 2026 to early 2027, with lower rainfall, warmer temperatures and possible impacts on water supplies, agriculture and disaster preparedness.
Thailand Prepares Water Plan as El Niño Threatens Lower Rainfall
SATURDAY, JUNE 13, 2026
The Royal Irrigation Department speeds up drought plans as mid-year El Niño signals emerge and 57% below-normal rainfall affects high-risk areas nationwide. 
Heavier rain forecast across Thailand as monsoon trough crosses country
MONDAY, JUNE 01, 2026
TMD warns of increased rainfall across Thailand as a monsoon trough crosses the country, with heavy rain in Bangkok and rough seas in the South.
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.
Thailand’s reservoirs 56% full, but usable water at 38%
THURSDAY, MAY 28, 2026
Thailand’s reservoirs hold 45.6 billion cubic metres, with 21.49 billion cubic metres available for use, ONWR’s latest update shows
US water crisis threatens Corpus Christi and petrochemical hub
SATURDAY, MAY 16, 2026
Corpus Christi faces a severe drought-driven water crisis, with reservoirs near historic lows and industry under pressure