Temperature goes up in upper Thailand, isolated heavy rain forecast for the South

Cool to cold weather continues in the North and the Northeast, while mountaintops remain cold to very cold with frost in some place. Motorists in upper Thailand should proceed with caution due to poor visibility, the department said

Meanwhile, the weak northeast monsoon prevailing over the Gulf and the South, will bring isolated heavy rain to the areas.

The weather forecast for the next 24 hours:

North: Cold to cool weather with light fog in the morning; minimum temperature 10-21 degrees Celsius, maximum 27-34°C; temperature on hilltops likely to drop to 4-12°C with frost in some areas.

Northeast: Cool weather with light fog in the morning; minimum temperature 17-22°C, maximum 30-31°C; temperature on hilltops is likely to drop to 10-15°C.

Central: Partly cloudy with light fog in the morning; minimum temperature 23-24°C, maximum 31-34°C.

East: Partly cloudy with light fog in the morning; minimum temperature 23-25°C, maximum 31-34°C; waves 1-2 metres high and two metres off shore.

South (east coast): Mostly cloudy with thundershowers in 40 per cent of the areas and isolated heavy rain; minimum temperature 23-25°C, maximum 26-30°C; waves 1-2 metres high and two metres during thundershowers.

South (west coast): Mostly cloudy with thundershowers in 20 per cent of the areas; minimum temperature 21-24°C, maximum 28-30°C; waves a metre high and 1-2 metres during thundershowers.

Bangkok and surrounding areas: Light fog in the morning; minimum temperature 23-25°C, maximum 30-34°C.