Hot to very hot conditions are forecast for the upper country. Summer storms are likely with thunderstorms, gusty winds, lightning and hail in some areas of the North.
The strong easterly winds blowing over the Gulf and the South are expected to bring more rain with isolated heavy rain and gusty winds in the areas.
The weather forecast for the next 24 hours is as follows:
Northern region: Hot to very hot weather with thundershowers, gusty winds and hail in 40 per cent of the areas; temperature lows of 22-26 degrees and highs of 36-40 degrees Celsius.
Northeastern region: Thundershowers in 40 per cent of the areas; temperature lows of 22-24 degrees and highs of 32-36 degrees Celsius.
Central region: Hot conditions with thundershowers and gusty winds in 40 per cent of the areas; temperature lows of 23-25 degrees, highs of 35-39 degrees Celsius.
Eastern region: Thundershowers and gusty winds in 30 per cent of the areas; temperature lows of 22-24 degrees, highs of 32-36 degrees Celsius; waves a metre high and two metres high during thundershowers.
Southern region (east coast): Thundershowers in 60 per cent of the areas with isolated heavy rains and gusty winds; temperature lows of 22-24 degrees, highs of 32-35 degrees Celsius; waves a metre high and 1-2 metres high during thundershowers.
Southern region (west coast): Thundershowers in 60 per cent of the areas with isolated heavy rains; temperature lows of 24-25 degrees, highs of 32-37 degree Celsius; waves a metre high and two metres high during thundershowers.
Bangkok and surrounding areas: Hot conditions with thundershowers and gusty winds in 30 per cent of the areas; temperature lows of 24-25 degrees, highs of 32-37 degrees Celsius.