Weather
Advisory
Subject:
Heavy to Very Heavy Rain in upper Thailand
No.6
(186/2026)
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During 4–7
September 2026, the monsoon trough will lie across the North and
the upper Northeast while the moderate southwest monsoon prevails over the
Andaman Sea, Thailand and the Gulf. Isolated heavy to very heavy rains are
forecast in Thailand especially in the North and the Northeast regions. People
in the upper country should beware of heavy to very heavy rains and
accumulation that may cause flash floods, overflows and landslides especially
along the waterways near foothills and lowlands.
The advisory is in effect on 4 September
2026, at 5.00 p.m.
This next issue will be on 5 September 2026, at 5.00 a.m.
(Signed) Sugunyanee Yavinchan
(Miss
Sugunyanee Yavinchan)
Director-General
Thai Meteorological Department