Update Date | 21‑10‑2026
Wasm – A regional rainy weather event is expected to begin at the end of the week over parts of the Levant and northwestern Saudi Arabia, becoming intense and wide‑ranging as a deep low‑pressure system centers north of Egypt by the middle and end of next week, with “high” risks of a regional flash‑flood wave.
Highly humid and strongly disturbed equatorial waves from the Arabian Sea will deepen toward northwestern Arabia starting at the end of the week, coinciding with the approach of multiple low‑pressure systems, one of which will center north of Egypt by the end of the month, leading to a widespread and heavy regional rainfall event.
The detailed seasonal weather bulletin for the Arab region for 2026–2027 has been issued.
Initial Details of the Regional Rainfall Event | The rainfall event begins at the end of the week and early next week over wide areas of western Saudi Arabia, the Hail region, western Al‑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 rainfall event intensifies significantly by the middle and end of next week as a deep low‑pressure system centers north of Egypt, becoming heavy and covering wide areas of Iraq, Kuwait, northern Saudi Arabia, its western and northeastern regions, its north‑central areas, and most of the Levant.
Flash‑Flood Risk | The Wasm Regional Center is monitoring a regional rainfall event beginning at the end of the week and intensifying next week, covering wide areas of Arabia, Saudi Arabia, the Levant, Iraq, and northern Egypt. This event is expected to trigger a regional flash‑flood wave, especially during the second half of next week, the end of the month, and into early November. Detailed updates will be issued progressively.
Saudi Arabia, the Arabian Gulf, and the Arabian Peninsula
Weather instability returns at the end of the week with a regional rainfall event expected to affect the area.
The regional rainfall event begins at the end of the week over northwestern Saudi Arabia, Iraq, parts of the Levant, and surrounding regions, then intensifies significantly during the last week of the month and expands over wide areas.
Thunderstorms extend toward Hail, Al‑Qassim, northwestern Riyadh, the Northern Borders, Al‑Jawf, and Al‑Madinah on Friday and Saturday, God willing.
Heavy thunderstorm showers are expected at times over the highlands of Makkah, Taif, Al‑Baha, Jazan, Asir, and surrounding areas, with the event intensifying significantly by the end of next week.
The regional rainfall event becomes heavy and widespread during the middle and end of next week, God willing.
The Levant
Temperatures rise at the end of the week, and a heavy regional rainfall event will begin at the end of the week, then intensify significantly by the middle and end of next week, with high risks of new and strong regional flash‑flood waves.
A low‑pressure system centered north of Egypt is being monitored for the middle and end of next week, expected to produce a heavy and wide‑ranging regional rainfall event.
Jordan
Temperatures rise at the end of the week and early next week, with thunderclouds over parts of eastern Jordan.A heavy regional rainfall event is expected to begin at the end of the week with thunderstorm showers from eastern and northeastern areas, extending to other regions but in a limited manner.
The rainfall event intensifies by the middle of next week due to a deep low‑pressure system centered north of Egypt, leading to heavy rainfall over wide areas.The rainfall event is expected to last for an extended period, and details will be issued soon.
Syria
Temperatures rise gradually in the coming days with scattered thunderstorm showers in limited areas.Syria and the region will be affected by a regional rainfall event beginning at the end of the week over southern, central, and eastern Syria, including parts of Damascus, then expanding significantly and becoming intense during the middle and end of next week and the end of the month (details to follow).
Palestine
Temperatures rise at the end of the week ahead of a severe rainfall event expected to affect the region by the middle and end of next week. Details will be issued progressively.
Lebanon
Temperatures rise at the end of the week, becoming above seasonal averages.A rainfall event begins at the end of the week over some areas, then intensifies and becomes heavy next week and toward the end of the month. Details will follow.
Iraq
Unstable weather at the end of the week with thunderstorm showers, marking the beginning of a regional rainfall event.Iraq will be affected by a heavy and regional rainfall event during the middle and end of next week. Details will be issued soon.
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