WASM – A regional rainstorm is expected to begin at the end of the week over parts of the Levant and northwest Saudi Arabia, becoming intense and wide‑ranging by the middle and end of next week, with high risk of a regional flash‑flood wave.
Highly moist and strongly disturbed equatorial waves from the Arabian Sea will deepen toward the Arabian Peninsula starting at the end of the week, coinciding with approaching late‑month low‑pressure systems, leading to a regional, heavy rainstorm.
The detailed seasonal weather bulletin for the Arab region (2026–2027) has been issued.
Preliminary Details of the Regional Rainstorm
The rainstorm begins at the end of this week and early next week over wide parts of western Saudi Arabia, Hail, western Qassim, Al‑Jawf, and parts of the Northern Borders, extending toward Iraq and the Levant—especially central and southern Syria, including parts of Damascus and northeastern Jordan.
The rainstorm intensifies significantly by the middle and end of next week, becoming heavy and covering wide areas of Iraq, Kuwait, northern Saudi Arabia, its west, northeast, and north‑central regions, as well as most of the Levant.
Flash‑Flood Risk
WASM Regional Center is monitoring a regional rainstorm expected to begin at the end of the week and intensify next week, affecting wide areas of the Arabian Peninsula, Saudi Arabia, the Levant, Iraq, and northern Egypt.This system may lead to a regional flash‑flood wave, especially next week, late October, and into early November.Details will be issued progressively.
Saudi Arabia, Arabian Gulf, and Arabian Peninsula
Weather stabilizes temporarily in northwest Saudi Arabia but becomes unsettled again by the end of the week as a regional rainstorm approaches.
The rainstorm begins at the end of the week over northwest Saudi Arabia, Iraq, parts of the Levant, and surrounding areas, then intensifies greatly during the last week of the month and expands over wide regions.
Heavy thunderstorms are expected at times over the highlands of Makkah, Taif, Al‑Baha, Jazan, Asir, and surrounding areas.The system strengthens further by the end of next week with the regional rainstorm.
The regional rainstorm becomes heavy and widespread by mid and late next week.
Levant
Cold weather dominates in the coming days, followed by a rise in temperatures at the end of the week.A heavy regional rainstorm is being monitored—starting at the end of the week, then intensifying significantly by mid and late next week, with high risk of new, strong, regional flash floods.
Jordan
Cold, semi‑winter weather—especially at night—followed by a temperature rise at the end of the week.A heavy regional rainstorm is expected to begin at the end of the week from eastern and northeastern regions, extending at times to other areas.It expands by mid and late next week and becomes intense, with high flood risk.Further details will follow.
Syria
Generally cold weather, with temperatures rising gradually in the coming days and limited thunderstorm showers in some areas.A regional rainstorm affects the country, beginning at the end of the week over southern, central, and eastern Syria—including parts of Damascus—then expanding significantly and becoming intense by mid and late next week and late October.Details will follow.
Palestine
Cool daytime weather and cold, semi‑winter nights.Temperatures rise at the end of the week ahead of a strong rainstorm expected to affect the region mid and late next week.Details will be issued progressively.
Lebanon
Cold, semi‑winter weather in the mountains with limited showers, followed by a temperature rise at the end of the week.A rainstorm begins at the end of the week over some areas, then intensifies and becomes heavy next week and late in the month.Details will follow.
Iraq
Weather stabilizes temporarily, then becomes unsettled again mid and late week ahead of a regional rainstorm.Iraq will be affected by a heavy, regional rainstorm beginning at the end of the week, intensifying next week and becoming very heavy.
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