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2026-03-12T21:00:00-06:00

The National Weather Service in Denver has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Friday morning through Friday evening. * AFFECTED AREA...Fire Weather Zones 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248 and 249. * TIMING...For the Red Flag Warning, from 11 AM to 9 PM MDT Thursday. For the Fire Weather Watch, from Friday morning through Friday evening. * WINDS...On Thursday, west winds 30 to 40 mph with gusts 45 to 70 mph for the northern plains and locations west of I-25, and west winds 15 to 25 mph with gusts up to 45 mph elsewhere. On Friday, west winds 20 to 25 mph with gusts 30 to 50 mph, strongest near the Cheyenne Ridge. * RELATIVE HUMIDITY...12 to 18 percent, driest roughly along and south of I-70 and around the Denver metro. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.


Bitterroot River River Levels

Last Updated: March 12, 2026

The Bitterroot River is a 84-mile-long river in western Montana, USA.


Summary

Total streamflow across the Bitterroot River was last observed at 2,410 cfs, and is expected to yield approximately 4,780 acre-ft of water today; about 101% of normal. Average streamflow for this time of year is 2,390 cfs, with recent peaks last observed on 2018-05-11 when daily discharge volume was observed at 42,770 cfs.

Maximum discharge along the river is currently at the Bitterroot River Near Missoula Mt reporting a streamflow rate of 1,260 cfs. However, the streamgauge with the highest stage along the river is the Bitterroot River At Bell Crossing Nr Victor Mt with a gauge stage of 5.24 ft. This river is monitored from 3 different streamgauging stations along the Bitterroot River, the highest being situated at an altitude of 3,955 ft, the Bitterroot River Near Darby Mt.




15-Day Weather Outlook


River Details

Last Updated 2026-03-12
Discharge Volume 4,780 ACRE-FT
Streamflow 2,410.0 cfs
-15.0 cfs (-0.62%)
Percent of Normal 100.83%
Maximum 42,770.0 cfs
2018-05-11
Seasonal Avg 2,390 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Bitterroot River Near Darby Mt
USGS 12344000
416 cfs 2.12 ft -5.54
Bitterroot River At Bell Crossing Nr Victor Mt
USGS 12350250
734 cfs 5.24 ft -3.43
Bitterroot River Near Missoula Mt
USGS 12352500
1260 cfs 3.75 ft 0
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Bitterroot River is a northward flowing 84-mile (135 km) river running through the Bitterroot Valley, from the confluence of its West and East forks near Conner in southern Ravalli County to its confluence with the Clark Fork River near Missoula in Missoula County, in western Montana. The Clark Fork River is tributary to the Columbia River and ultimately, the Pacific Ocean. The Bitterroot River is a Blue Ribbon trout fishery with a healthy population of native westslope cutthroat trout and bull trout. It is the third most fly fished river in Montana behind the Madison and Big Horn Rivers.