By Ian Werther in News — 13 Mar 2026

Inland Korea braces for frost, icy patches as temperatures swing sharply

On Saturday the 14th, inland Korea will see subzero morning temperatures with a sharp daily temperature swing. The Korea Meteorological Administration forecast morning lows ranging from -4°C to 4°C, with daytime highs of about 9°C to 15°C.

Inland areas are expected to experience frost early in the day as cold air moves in. The country will be on the edge of a high-pressure system moving eastward from the northern reaches of the East Sea, contributing to generally cloudy conditions nationwide.

We have just come back from a few days in the beautiful Flinders Ranges in South Australia (I managed to sneak the 500 on board and had a few brief opportunities for birding).

I love the Thornbills, they are usually such friendly birds that respond well to my attempts at a type of bird call! This red-eyed species tends to carry it's tail cocked, particularly when people with large white lenses try to imitate their call! — Representative image for context; not directly related to the specific event in this article. License: CC BY-SA 2.0. Source: Wikimedia Commons.

Snow or rain from earlier periods that has frozen could leave icy patches on roads. Slippery sections are more likely on mountain passes, less-traveled side streets, and shaded or shadowed roadways, so motorists should proceed with caution.

The temperature swing between morning and afternoon could be as large as about 15°C, a notable daily fluctuation for winter conditions and one that can affect travel and outdoor activities.

Kayaking upstream from downtown Houston gets most of the attention, but there is so much to see downstream from Allen's Landing.
There's the McKee Street Bridge that Kirk Farris painted at James Butte Park, Frost Town. There's an old truss railroad bridge, now a bike and hike path. There's an old drawbridge designed by the same fellow who would later design San Francisco's Golden Gate Bridge. There are two swing railroad bridges, still able to swing if necessary. There are occasional barges and tugs, and numerous places where they once tied up, and a few where they still do.

This trip we saw brown pelicans, cormorants, egrets, herons, and more. Last time we even saw an osprey. — Representative image for context; not directly related to the specific event in this article. License: CC BY 2.0. Source: Wikimedia Commons.

For U.S. readers, the weather carries relevance beyond Korea because frost and ice can disrupt domestic transportation and manufacturing supply chains that depend on Korean components and shipments. Korea is a major source of advanced electronics parts, automative components, and other high-tech goods; icy roads can slow trucking, while cold snaps can increase heating demand and energy use, potentially influencing global markets and pricing for related commodities.

Context: The Korea Meteorological Administration is Korea’s national weather service. The East Sea is the body of water east of the Korean Peninsula, known internationally as the Sea of Japan. The forecast highlights a winter pattern in which inland regions experience frost and variable cloud cover as a high-pressure system sits to the east.

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