2026-01-26T09:00:00-07:00
* WHAT...Very cold wind chills as low as 23 below. * WHERE...The Denver metro, including eastern Boulder County, and south into the Palmer Divide, including Castle Rock and Larkspur. * WHEN...Until 9 AM MST Monday. * IMPACTS...The dangerously cold wind chills could result in hypothermia or frostbite if precautions are not taken.
Summary
Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Castor River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Castor 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 |
|---|---|---|---|---|---|---|---|---|
|
Castor River At Zalma
USGS 07021000 |
140 cfs | 1.65 ft | -2.1 |
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile
The Castor River is a river in eastern Ontario, in Canada. It flows into the South Nation River near Casselman. It has a number of branches, including the North, Middle, South and East Castor Rivers which join in Embrun. The river was named for the many beaver dams found in its watershed; "castor" means "beaver" in French.