Red Flag Warning
2026-03-13T20:00:00-06:00

* AFFECTED AREA...Fire Weather Zones 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250 and 251. * TIMING...For the first Red Flag Warning, until 8 PM MDT this evening. For the second Red Flag Warning, from 11 AM to 9 PM MDT Saturday. * WINDS...Today, west winds 15 to 25 mph with gusts 25 to 35 mph. On Saturday, west winds 20 to 30 mph with gusts 35 to 60 mph, strongest west of I-25. * RELATIVE HUMIDITY...Today, 12 to 17 percent. On Saturday, 8 to 15 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.


Swan River River Levels

Last Updated: March 13, 2026

The Swan River is a significant river in Western Australia, running approximately 65 kilometers from its source in the Perth Hills to the Indian Ocean.


Summary

Total streamflow across the Swan River was last observed at 879 cfs, and is expected to yield approximately 1,743 acre-ft of water today; about 148% of normal. River levels are high. Average streamflow for this time of year is 596 cfs, with recent peaks last observed on 2022-06-22 when daily discharge volume was observed at 7,050 cfs.

Maximum discharge along the river is currently at the Swan River Near Bigfork Mt reporting a streamflow rate of 879 cfs. This is also the highest stage along the Swan River, with a gauge stage of 2.89 ft at this location. This river is monitored from 2 different streamgauging stations along the Swan River, the highest being situated at an altitude of 3,081 ft, the Swan River Near Bigfork Mt.




15-Day Weather Outlook


River Details

Last Updated 2026-03-13
Discharge Volume 1,743 ACRE-FT
Streamflow 879.0 cfs
-19.0 cfs (-2.12%)
Percent of Normal 147.59%
Maximum 7,050.0 cfs
2022-06-22
Seasonal Avg 596 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Swan River Near Bigfork Mt
USGS 12370000
879 cfs 2.89 ft -2.12
Swan River At East Patchogue Ny
USGS 01305500
13 cfs 0.53 ft 4.76
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Swan River is a river in the south west of Western Australia. Its Aboriginal Noongar name is the Derbarl Yerrigan. The river runs through the metropolitan area of Perth, Western Australia's capital and largest city.