Severe Heavy Rain ● Active
Nepal: Flash Floods - Aug 2026
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A major flash flood struck Rasuwa district after a sudden and intense surge of water entered the Bhote Koshi River from the Tibet (China) side at approximately 9:15 AM [on 26 August 2026]. The flood rapidly impacted the Timure, Rasuwagadhi, and Syabrubesi areas, causing significant damage to settlements, markets, police infrastructure, roads, and hydropower facilities. Authorities have warned that rising water levels could affect downstream communities along the Trishuli River corridor. ([IFRC, 26 Aug 2026](https://reliefweb.int/node/4227103))
According to the National Disaster Risk Reduction and Management Authority (NDRRMA), 10,000 households require immediate relief. At least 157 deaths have been confirmed and nearly 245 people remain missing, including security personnel, customs officials, foreign tourists and residents, while search and rescue operations continue. ([WFP, 27 Aug 2026](https://reliefweb.int/node/4227331))
Five days after the flash flood of the Trishuli River swept through Raswuwa, Nuwakot, and Dhading, the Government of Nepal’s response efforts continue at scale, with more than 10,000 people rescued and over 20,000 personnel mobilised for search and rescue operations, while authorities report 903 fatalities and 4,247 people still missing. The Government has officially declared a flood emergency in 15 municipalities and designated two additional municipalities as impacted, underscoring the scale of humanitarian needs across the affected areas. ([OCHA, 31 Aug 2026](https://reliefweb.int/node/4227820))
The Rasuwa floods have claimed 1,003 lives, with 3,916 people still out of contact and 11,814 rescued (NDRRMA, 1 September, 13:00). 3,458 displaced people are living in 27 displacement sites in Nuwakot and Rasuwa, mostly in schools. Parts of Tarkeshwar (Nuwakot) have received no assistance, all wards of Aamachhodingmo (Rasuwa) remain inaccessible by road, and four rural municipalities in Dhading lack safe drinking water. Access remains the main co
Measurements
| Coordinates | 28.2500, 83.9400 |
|---|---|
| Region | Nepal |
| Reliefweb Status | ongoing |
| Reliefweb Type | Flash Flood |
Reported by
Disaster reports from ReliefWeb, a service of UN OCHA
This is situation reporting from a humanitarian organisation, not a warning issued to the public.
Not rated by source. ReliefWeb (UN OCHA) does not publish a severity for this; the level shown is our own classification.
View original reportThis event as JSON · API and licence
Source updated 5 minutes ago (Oct 19, 2026 19:44 UTC) · we last heard from ReliefWeb (UN OCHA) 5 minutes ago
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Satellite mapping by Copernicus EMS
Copernicus EMS was activated for “Flood in Nepal” (EMSR927) on 26 Aug 2026 09:53 UTC. It covers 6 areas. Maps are published for 4 of them; 2 are still waiting.
- Syapru Besi — maps published, latest 27 Aug 2026
- Timure — maps published, latest 28 Aug 2026
- Bidur — maps published, latest 31 Aug 2026
- Bharatpur — waiting for maps
- Phosretar — maps published, latest 7 Sep 2026
- Kyundi — waiting for maps
Open EMSR927 on Copernicus EMS for the maps themselves: the mapped extent of the flood and, where assessed, damage.
Source: Copernicus Emergency Management Service (© European Union, 2026), terms. Copernicus does not use this site's event records: this activation was matched to this event by hazard type, by place (its centre is about 139 km from this event's point) and by date.
Official authorities in Nepal
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for Nepal →General safety information
No authority has issued instructions for this event. The guidance below is general background reading, not a response to it.
Flash flood risk awareness, urban drainage flooding, and staying safe during cloudbursts and monsoon downpours.
Open Extreme Rain & Flash Flood Safety →Nearby & related events
Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.