With the weather turning chilly, it is a time when we need to pay extra attention to our health.

Today (October 20), Seoul's daytime high will reach 22°C (72°F), exceeding seasonal averages.

The weather will change drastically starting tomorrow.

Seoul's daytime high will plummet to 15°C (59°F), and morning temperatures on Thursday are projected to plunge to 4°C (39°F), expected to be the coldest day of this autumn.

You will need to dress warmly to cope with the erratic temperature fluctuations.

Rain is currently falling mainly in some southern regions.

As night falls, rain clouds will expand to the Chungcheong and southern regions.

Rain is expected across various parts of the country tomorrow, mostly stopping by morning.

Let us take a look at the expected precipitation.

Around 5 mm of rain is expected in the metropolitan area, inland Gangwon, and northern Gyeongbuk regions.

Other areas will see anywhere from a minimum of 5 mm to a maximum of 60 mm of rain.

Preliminary strong wind advisories have been issued along coastal areas.

You should thoroughly check to ensure there are no items that could be blown away.

Let us look at the daytime temperatures by region.

Daytime highs are expected to reach 21°C (70°F) in Cheongju and Daejeon, and 20°C (68°F) in Daegu and Busan.

As the week progresses toward the latter half, daytime temperatures will once again exceed seasonal averages.

(Weathercaster Ahn Su-jin)