The weather bureau has issued a severe rain warning covering most of Isaan.
The monsoon trough lies across the North and the upper Northeast.
More rain and isolated heavy rains are possible with heavy rain in some places of the upper North and the western Northeast.
People in the areas should beware of heavy rains and accumulation that may cause flash floods, overflows and landslides especially along the waterways near foothills and lowlands.
Be cautious crossing any flooded roads.