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ONWR halts Vajiralongkorn Dam releases as heavy rain nears
MONDAY, SEPTEMBER 28, 2026
ONWR halts releases from Vajiralongkorn Dam for two days and warns seven northern and western provinces of heavy rain on September 28–29.
TMD forecasts rain in 80% of central Thailand on Sept 27–28
SUNDAY, SEPTEMBER 27, 2026
Bangkok expects less rain but isolated heavy showers, while small boats in the upper Gulf and upper Andaman Sea should stay ashore through September 28.
TMD flags very heavy rain in Northeast and flash-flood risk
SATURDAY, SEPTEMBER 05, 2026
TMD advisory No 8 warns of heavy rain across upper Thailand through September 7, with very heavy downpours in the eastern Northeast and flash-flood risks
Seventeen provinces warned of flash floods and landslides
FRIDAY, AUGUST 28, 2026
ONWR has placed 17 provinces on alert for flash floods, run-off and landslides from August 29 to September 2 as heavy rain intensifies.
Monsoon brings heavy rain and rough seas to Thailand
TUESDAY, AUGUST 25, 2026
TMD says Narra will not enter Thailand, but heavy rain and waves above three metres are forecast under a rather strong southwest monsoon.
Heavy rain compounds northern flood risk with Bangkok storms
FRIDAY, AUGUST 21, 2026
Thailand faces heavy to very heavy rain on August 21, with flash-flood risks in the North and Northeast and thunderstorms across 70% of Bangkok.
Heavy rain raises flash-flood risk in North and Northeast
WEDNESDAY, AUGUST 19, 2026
Thailand’s North and Northeast face heavy to very heavy rain through Friday, with flash floods, rapid run-off and waves above 3 metres possible.
Landslide watch covers 15 provinces through August 1
THURSDAY, JULY 30, 2026
Rainfall above 150mm in 24 hours has prompted a landslide and flash-flood watch across 15 provinces through August 1.
Heavy rain forecast in North and upper Northeast as monsoon strengthens
TUESDAY, JULY 21, 2026
Thailand is set for increased rainfall on July 21-22, with heavy downpours in the North and upper Northeast, rough seas and a Pacific weather system under close watch.
Heavy rain and flash-flood risk forecast across Thailand from July 20-25
SUNDAY, JULY 19, 2026
Thailand is set for increased rainfall from July 20-25, with heavy downpours and possible flash floods in the North, upper Northeast and western Central region.