EOC Update: Atmospheric weather event, Thursday, Dec. 11, 2025, 10:30 am
News ArticleINFORMATION RELEASE
The Regional District of Okanagan-Similkameen Emergency Operations Centre (RDOS EOC) continues to monitor weather conditions with regional and provincial partners.
Current RDOS Evacuation Orders and Alerts
Electoral Area “H” (rural Princeton)
December 11, 2025
Evacuation Order – Flooding Event Princeton Municipal Campground
Evacuation Alert – Potential Flooding Event San Ang area
Evacuation Alert – Flooding Event, 600 Public Works Road
December 10, 2025
Evacuation Alert – Flooding Event, Tulameen and Otter Lake
Evacuation Alert – Potential Flooding, Eastgate
Visit the interactive map to view current evacuation areas: emergency.rdos.bc.ca
Emergency Support Services (ESS) volunteers are standing by to assist if needed.
Landslides and rockslides are impacting several roads and highways. Residents and visitors are reminded to use caution around fast-flowing bodies of water and when travelling on roads and highways. Watch for crews and first responders.
Check DriveBC for the latest updates.
- Tulameeen and District Fire Hall
- Eastgate Fire Hall
- San Ang (east of Princeton near Taylor Mills Road)
- Princeton Fire Hall
On Thursday, December 11, 2025, the River Forecast Centre upgraded to a Flood Warning:
- Similkameen River tributaries, including headwater tributaries and upstream of Princeton
- Tulameen River
Weather Synopsis:
Rainfall has eased through the region; however, rivers are still responding to runoff from rain and snowmelt. Flows continue to rise to very high levels along tributaries of the Similkameen River at and upstream of Princeton, including the Pasayten River, Upper Similkameen, and Tulameen Rivers.
- Ministry of Water, Land and Resource Stewardship
On Thursday, December 11, 2025, the River Forecast Centre maintained a High Streamflow Advisory for:
- Ashnola River (DOWNGRADED)
Visit the River Forecast Centre website to view current warnings and advisories: bcrfc.env.gove.bc.ca/warnings
Monitor official sources for the latest updates, including Environment and Climate Change Canada.
Voyent Alert! notifications
Click here to register for routine and emergency notifications via email, text, or telephone.
You can find a link to Voyent Alert! on the RDOS website at rdos.bc.ca.
For further information, please call the EOC at 250-490-4225. In the case of an emergency, call 9-1-1.
Issued by EOC Director

Tulameen Bridge (Coalmont Road)
Background:
BC River Forecast Centre Ministry of Water, Land and Resource Stewardship
A High Streamflow Advisory means that river levels are rising or expected to rise rapidly, but that no major flooding is expected. Fast-flowing bodies of water increase risk to life safety. Minor flooding in low-lying areas is possible.
A Flood Watch means that river levels are rising and will approach or may exceed bankfull. Flooding of areas adjacent to affected rivers may occur.
A Flood Warning means that river levels have exceeded bankfull or will exceed bankfull imminently, and that flooding of areas adjacent to the rivers affected will result.


