Good morning. Today could be the coolest day of the season in most parts, while northern regions will have some sunshine.

Southern regions will have some passing showers with 5 to 20 millimeters of rain, along with thunder and lightning at times.

When it comes to air quality, Busan and the south east will have high levels of fine dust all day while the capital area will see fine dust blowing in from the evening.

Daily highs will be the same or slightly cooler than Tuesday, topping out at 25 degrees Celsius in Seoul. Gyeongju and Chuncheon will see the mercury hit 28 degrees this afternoon.

With that, let's take a look at the international weather for viewers around the world.

South Korea will have partly sunny skies with passing showers in the southern regions... and North Korea will have another day of unstable weather.

Islamabad will remain in the grip of extremely hot weather with some areas possibly hitting 50 degrees Celsius.

Sydney and Melbourne will face a week of wintry temperatures from Wednesday as a sweeping cold front brings the change of the seasons to south-eastern Australia.

Over in the U.S., Subtropical Storm Alberto has been downgraded into a subtropical depression and now the tropical rains are on the way to Michigan and Chicago.

As for South America, Bogota and Buenos Aires will be rainy with highs of 18 degrees Celsius.

Taking you to Europe,... it will be gloomy in London and rainy in Madrid. Berlin and Rome may see some thunderstorms.

Lastly to Africa, more rain is in store in Cape Town along with scattered thunderstorms later in the day.

That's the weather update for now.