Saudi Arabia: A very cold air mass brings significant weather changes

Arab Weather App - Weather experts at Arab Weather said that the maps received from what is called computer simulation indicate that Saudi Arabia will be affected by a colder air mass starting from the northern regions on Wednesday 17/12/2025, reaching the rest of the regions, including the capital Riyadh, by the end of the week, God willing.

Details of the Kingdom being affected by a very cold air mass in the coming days

In detail, God willing, the Kingdom will begin to be affected on Wednesday by a very cold air mass at various atmospheric levels, starting in the northern regions where temperatures will drop and cold weather will prevail during the day, while the central and eastern regions will experience milder temperatures. In stark contrast, temperatures will rise in the west, particularly along the coastal strip, resulting in warm weather in those areas.

Clouds will continue to appear at different altitudes, with chances of rain remaining in parts of Hail, Al-Jawf and the Northern Borders region, while stable weather will prevail in the rest of the regions.

The very cold air mass will deepen on Wednesday night/Thursday morning, coinciding with some precipitation.

During the night hours of Wednesday/Thursday and the dawn of Thursday, the very cold air mass deepens in the different layers of the atmosphere and coincides with some precipitation, as temperatures drop to about zero degrees Celsius in large areas of the north of the Kingdom, and very cold weather prevails with the appearance of amounts of clouds, and as a result there is a chance of rain mixed with snow or snow showers at times on parts of Hail, Qassim and Al-Jawf, in addition to the highlands of Tabuk, which are areas that are not used to such precipitation.

Very cold winds will reach Riyadh and the Eastern Province on Thursday, December 18, 2025, as a cold air mass passes through the upper atmosphere, intensifying rainfall.

During the daytime hours of Thursday, the very cold air mass will cross the atmosphere of the central region of the Kingdom, including the capital Riyadh, reaching the Eastern Province. Temperatures will drop significantly, with the maximum temperatures reaching around 9-11 degrees Celsius. Very cold and generally cloudy weather will prevail, with renewed and intensified rainfall in several areas of the central and eastern regions of the Kingdom. This rain will be heavy at times.

It is also possible that some snow showers will fall on the far north of the Riyadh region during the morning hours of Thursday, for a short period, and will most likely be mixed with rain, God willing.

Stable weather at the end of the week as the Kingdom continues to be affected by the cold air mass

During Friday and Saturday, the weather will stabilize, God willing, while the Kingdom remains under the influence of the cold air mass. The weather will be cold, God willing, during the daytime and very cold at night, especially over the northern regions, God willing.

And God knows best.