Red Flag Warning
2025-12-17T18:00:00-07:00

* AFFECTED AREA...Fire Weather Zones 241, 242, 243, 245 and 246. * TIMING...Until 6 PM MST this evening. * WINDS...West 15 to 30 mph with gusts up to 60 mph. * RELATIVE HUMIDITY...As low as 16 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.


Sumas River River Levels

Last Updated: December 17, 2025

The Sumas River is located in southwestern British Columbia, Canada.


Summary

Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Sumas River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Sumas River, the highest being situated at an altitude of ft, the .

       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Sumas River Near Sumas
USGS 12214500
64 cfs 7.87 ft
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Sumas River is a tributary of the Fraser River in the Canadian province of British Columbia and the U.S. state of Washington.