Red Flag Warning
2026-04-13T20:00:00-06:00

* AFFECTED AREA...Fire Weather Zones 214, 216, 238, 241, 242, 246 and 247. * TIMING...From 11 AM this morning to 8 PM MDT this evening. * WINDS...Southwest 10 to 20 mph with gusts around 30 mph. * RELATIVE HUMIDITY...As low as 10 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.

GARDNER RIVER

Last Updated: April 13, 2026

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

Get the latest River Levels, Streamflow, and Hydrology for in River flows across 1 streamgages of the Gardner River


15-Day Long Term Forecast


       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Gardner River Near Mammoth Ynp
USGS 06191000
214 cfs 2.18 ft 0
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

It is approximately 25 miles long and flows through the Yellowstone National Park. The river was named after Johnson Gardner, a fur trapper who explored the area in the early 1800s. The Gardner River is fed by several hot springs and geysers, including Mammoth Hot Springs, which contribute to its hydrology. There are no major reservoirs or dams on the Gardner River. Recreational activities such as fishing, hiking, and camping are popular along the river. The Gardner River also supports agriculture in the surrounding area, including hay production and grazing for livestock. Despite its importance to the local ecosystem and economy, the Gardner River faces threats from climate change, invasive species, and human activity.