In the northern province of Mae Hong Son, a landslide, triggered by rain has blocked the road leading to one hilltribe village in Sop Moei district. The local authorities will use a backhoe to unblock the road.
Farmland in Pai district has been submerged due to the heavy downpour.
In Chiang Rai, local residents in at-risk areas have been warned of likely flash floods and mudslides.
Flash flooding from the upstream level of waterways in Phichit. Off-season paddy fields, producing grain, have been flooded.
Local irrigation office has opened sluice gates to speed up releasing water into the Yom River, which has capacity to receive more water.
The meteorological department warned of severe weather and possible flash floods in low-land areas near waterways in the North and the Northeast.
Today through Friday, the strong southwest monsoon over the Andaman Sea, mainland Thailand and the Gulf of Thailand has resulted in waves 2-3 meters high.
All shipping is advised to use caution and small boats should keep ashore, the department warned on its website.