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Thailand issues heavy rain and flash flood warnings through August 21
Thailand issues heavy rain and flash flood warnings through August 21
SATURDAY, AUGUST 15, 2026
Authorities warn of flash floods, landslides and low-lying flooding from August 15-21, with more than 200mm of rain forecast in parts of Tak.Cell Broadcast flood alerts issued for Chiang Rai, Phayao
Cell Broadcast flood alerts issued for Chiang Rai, Phayao
TUESDAY, AUGUST 11, 2026
Rising rivers prompted alerts in Chiang Rai and Phayao, while heavy rain threatens flash floods and landslides across northern Thailand.Eight Thai provinces warned of sharp rise in Mekong water levels
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
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 persistThailand Braces for Severe El Niño as Water Office Warns of Dry Spells into 2027
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 sufficientFlood and landslide warning for Trat and Chanthaburi
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
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
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
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
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