WASM- A quasi‑winter low‑pressure system is expected to affect the northwestern Levant by the end of the week, along with weather disturbances across various parts of the Arabian Peninsula.
Heavy rainfall is forecast for northwest Syria and Lebanon, with flash‑flood risks toward the end of the week. This comes as a precursor to a widespread, intense regional rain event expected during the last third of the month.
A strong equatorial wave over the Arabian Sea will deepen toward the Arabian Peninsula during the last third of the month, coinciding with ongoing Mediterranean lows, leading to a large‑scale, intense regional rain event.
The detailed seasonal weather bulletin for the Arab region (2026–2027) has been issued.
Saudi Arabia, the Arabian Gulf, and the Arabian Peninsula
Weather instability will affect scattered areas of Saudi Arabia and the Arabian Peninsula, including parts of the Northern Borders and northwest Saudi Arabia, resulting in limited but locally thunderous showers.
Heavy thunderstorm showers are expected over the highlands of Makkah, including parts of the Holy Capital, as well as Taif, Al‑Baha, Jazan, Asir, and surrounding areas in the coming days.
A very intense regional rain event will impact wide areas of Saudi Arabia, the Arabian Peninsula, and Gulf countries during the last third of the month, driven by a deeply penetrating, highly moist equatorial wave. Detailed updates will be issued progressively.
Temperatures continue to drop across the region, tending toward coolness late at night in northern areas. Humidity remains high along coastal regions of Saudi Arabia, the UAE, Qatar, Bahrain, and Kuwait, with cloud cover and dust‑raising winds in exposed areas of Riyadh and the Eastern Province.
Levant
Temperatures will drop significantly in the coming days. A quasi‑winter low‑pressure system will approach the region by the end of the week, centered over Lebanon, northwest Syria, and parts of Palestine. A heavy regional rain event is being monitored for the last third of the month.
Jordan
Temperatures will drop noticeably by the end of the week, with the gradual return of cold, quasi‑winter weather. Scattered showers are expected in western areas, though limited in extent. A heavy regional rain event is being monitored for the last third of the month, with details to follow.
Syria
Temperatures will drop significantly as a quasi‑winter low approaches the region by the end of the week. Rainfall is expected in northwest Syria and Lebanon, becoming heavy at times.
The region, including Syria, is expected to be affected by a regional heavy rain event during the last third of the month, with updates to follow.
Palestine
Temperatures will drop noticeably in the coming days. A quasi‑winter low will approach by the end of the week, bringing scattered showers to various areas. A heavy regional rain event is expected during the last third of the month.
Lebanon
Temperatures will drop sharply, with scattered, occasionally thunderous showers expected. Lebanon will be affected by a quasi‑winter low bringing heavy rainfall toward the end of the week, accompanied by a significant temperature drop.
Iraq
Unstable autumn weather continues, with thunderstorm showers in some areas, especially western and northern Iraq. Weather systems are expected to intensify gradually after 18–20 of the month, becoming very heavy thereafter.