Based on the current seasonal outlook and regional climate forecasts, Sri Lanka is expected to experience near-normal to slightly below-normal southwest monsoon rainfall, although rainfall distribution is likely to remain highly uneven with periods of heavy localized rain and dry spells. Emerging El Niño conditions may increasingly influence weather patterns during August–September 2026. The southwest monsoon is expected to continue with intermittent heavy rainfall events rather than persistent widespread rain. While seasonal rainfall may be near normal overall, localized extreme rainfall remains the principal hazard. The developing El Niño may contribute to increased rainfall variability and possible drier conditions later in the season, making continuous monitoring essential. Intense short-duration rainfall causing flash floods. Saturated soils increasing landslide susceptibility in the central highlands. Urban drainage limitations leading to flooding in major cities. Strong southwest monsoon winds affecting coastal communities.
Government Requests International Assistance: No
NS Requests International Assistance: No
Support NS advanced preparedness actions
Continuous monitoring of weather forecasts issued by the Department of Meteorology and regional climate outlooks. Close coordination with the national society.
Activation / Mobilization of Volunteers
Maintain rapid response teams (NDRT/BDRT) on standby. Ensure emergency relief stocks are positioned in high-risk districts. Strengthen coordination with the Disaster Management Centre (DMC), Department of Meteorology, and district authorities. Enhance community-based early warning and preparedness messaging. Prepare for possible emergency health, shelter, WASH, and cash assistance operations if severe localized events occur
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