Update Date | 12‑10‑2026
WASM – The rainstorm affecting the Levant and northwestern Saudi Arabia will recede on Tuesday, with a semi‑winter low‑pressure system approaching the northwestern Levant by the end of the week.
The early and intense rainstorm impacting the Levant and northwestern Saudi Arabia will retreat tomorrow, Tuesday, after causing widespread flash floods in many areas. Limited chances of scattered showers will remain over parts of northwestern Saudi Arabia, extending toward western Riyadh and Al‑Qassim.
A semi‑winter low‑pressure system will approach the region by the end of the week, centered over northwestern Syria and Lebanon, and to a lesser extent parts of Jordan and Palestine, bringing a noticeable drop in temperatures and a return to cold weather.
WASM Regional Center is monitoring a heavy, large‑scale rainstorm expected to begin during the last third of this month, with details to be issued progressively.
The detailed seasonal weather bulletin for the Arab region for 2026–2027 has been released.
Saudi Arabia, the Arabian Gulf, and the Arabian Peninsula
The rainstorm reaches its peak today, Monday, in northwestern Saudi Arabia, with highly unstable weather especially over Al‑Jouf, Tabuk, Al‑Qurayyat, northern Hail, and extending to Al‑Madinah and parts of the Northern Borders Region. Thunderstorms and gusty winds are expected, with continued and intensifying convective clouds over the highlands of Asir, Makkah, Taif, Al‑Baha, and western Al‑Madinah.
Rainfall will be heavy at times in parts of Al‑Jouf, eastern Tabuk, western Northern Borders Region, and Al‑Qurayyat, with flash‑flood risks.
Rainstorms will become more widespread, stronger, and heavier after October 18–20 across several regions in Saudi Arabia, then expand further toward the end of the month as the regional rainstorm develops.
Temperatures continue to cool across the region, tending toward chilly conditions late at night in northern areas. Humidity remains high along the coastal regions of Saudi Arabia, the UAE, Qatar, and Bahrain, with cloud cover and dust‑raising winds in exposed areas of Riyadh and the Eastern Province.
Levant
Temperatures will drop noticeably in the coming days. The rainstorm will recede from the region tomorrow, Tuesday. A semi‑winter low‑pressure system will approach by the end of the week, centered over Lebanon and northwestern Syria and parts of Palestine. A heavy regional rainstorm is being monitored for the last third of the month.
Jordan
The rainstorm will recede tomorrow, Tuesday, with limited chances of scattered showers remaining.
Temperatures will drop significantly by the end of the week, with renewed chances of showers over western areas. A heavy regional rainstorm is being monitored for the last third of the month, with details to follow.
Syria
The rainstorm will recede tomorrow, Tuesday, with chances of thunderstorms remaining over parts of northern and western Syria and some desert areas. Temperatures will drop noticeably as a semi‑winter low‑pressure system approaches the region by the end of the week. Rainfall is expected in various areas, especially northwestern Syria and Lebanon, and may be heavy.
The region, including Syria, will be affected by a heavy regional rainstorm during the last third of the month, with details to follow.
Palestine
Temperatures will drop noticeably in the coming days. A semi‑winter low‑pressure system will approach by the end of the week, bringing scattered showers to various areas. A heavy regional rainstorm is expected during the last third of the month.
Lebanon
Temperatures will drop clearly, with chances of scattered showers in limited areas, sometimes accompanied by thunderstorms.
Lebanon will be affected by a semi‑winter low‑pressure system bringing heavy rainfall by the end of the week, along with a significant drop in temperatures.
Iraq
Unstable autumn weather continues, with thunderstorms in some areas—heavy at times in western Iraq, posing flash‑flood risks. Weather systems will intensify gradually after October 18–20, becoming very heavy later on.
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