Red Flag Warning
2026-04-03T19:00:00-06:00

The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 8 AM to 7 PM MDT Friday. * AFFECTED AREA...Fire Weather Zones 238, 239, 240, 241, 242, 243, 244, 245, 248, 249, 250 and 251. * TIMING...From 8 AM to 7 PM MDT Friday. * WINDS...Northwest 20 to 35 mph, with gusts around 45 mph. Gusts as high as 60 mph near the foothills of Boulder and Larimer Counties. * 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.


Firehole River River Levels

Last Updated: April 2, 2026

The Firehole River is a 21-mile long tributary of the Madison River located in Yellowstone National Park.


Summary

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




15-Day Weather Outlook


       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Firehole River Near West Yellowstone Mt
USGS 06036905
330 cfs 3.31 ft 0
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Firehole River is located in northwestern Wyoming, and is one of the two major tributaries of the Madison River. It flows north approximately 21 miles (34 km) from its source in Madison Lake on the Continental Divide to join the Gibbon River at Madison Junction in Yellowstone National Park. It is part of the Missouri River system.