Montana Flow Report

RIVER FLOWS WEATHER HYDROLOGY
April 16, 2024



Streamflow levels across Montana are currently 83.0% of normal, with the Clark Fork Near Plains Mt reporting the highest discharge in the state with 16500cfs and gauge stage of 5.92 ft. Meanwhile, the Marias River Near Shelby Mt is seeing a spike in streamflows today after experiencing a 84.35% increase since yesterday, and currently running at 1060cfs.

Maximum gauge stage in the state was last observed at the Bighorn River Near St. Xavier, currently reporting a stage of 61.35ft. The Beaverhead River At Barretts Mt in the Beaverhead watershed is surging for this time of year at 832cfs, about 249.68% of normal.


Surface Flow Characteristics


Montana has a varied climate and terrain that greatly affects its flow conditions. The state boasts of major rivers such as the Missouri, Yellowstone, and the Clark Fork, which drain into the Mississippi, Missouri, and Columbia Rivers, respectively. Montana also has a number of reservoirs/dams, such as the Fort Peck Dam and the Hungry Horse Dam, which serve as major power sources and water storage for the state. The state's hydrology is influenced by its mountainous terrain, which leads to high precipitation levels and generates snowpacks. These snowpacks, in turn, largely determine the state's flow conditions in the summer months. Montana's flow conditions are also affected by its climate, which is characterized by dry summers and cold winters. Overall, Montana's flow conditions are shaped by a mix of climatic and topographic factors, including watershed, snowpack, and precipitation.


Streamgauge Profile


Statewide Warnings & Alerts

PRYOR/NORTHERN BIGHORN MOUNTAINS; NORTHEAST BIGHORN MOUNTAINS
* WHAT...Heavy snow expected. Total snow accumulations between 10 and 20 inches. Winds gusting as high as 40 mph creating significant blowing snow. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...From 6 PM Tuesday to 6 PM MDT Thursday. * IMPACTS...Heavy wet snow and gusty ...

CRAZY MOUNTAINS
* WHAT...Heavy snow expected. Total snow accumulations between 8 and 17 inches. Winds gusting as high as 50 mph creating significant blowing snow. * WHERE...Crazy Mountains. * WHEN...From 6 PM Tuesday to 6 PM MDT Thursday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow and ...

ABSAROKA/BEARTOOTH MOUNTAINS
* WHAT...Heavy snow expected. Total snow accumulations between 10 and 16 inches. Winds gusting as high as 35 mph creating significant blowing snow. * WHERE...Absaroka/Beartooth Mountains. * WHEN...From 6 PM Tuesday to 6 PM MDT Thursday. * IMPACTS...Recreation in the high country will be impacted by heavy snow and blowing ...

RED LODGE FOOTHILLS; BEARTOOTH FOOTHILLS
* WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches possible. * WHERE...Beartooth Foothills and Red Lodge Foothills. * WHEN...From Tuesday evening through Thursday morning. * IMPACTS...Roads will likely become slick and hazardous. Travel could be very difficult. The hazardous conditions could impact the Wednesday morning and evening ...

SOUTHERN ROCKY MOUNTAIN FRONT; SOUTHERN HIGH PLAINS; UPPER BLACKFOOT AND ...
* WHAT...Snow expected. Total snow accumulations between 4 and 8 inches in the mountains and 1 to 3 inches at lower elevations. * WHERE...Portions of central and north central Montana. * WHEN...From 9 PM Tuesday to noon MDT Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick ...

EAST GLACIER PARK REGION
* WHAT...Snow expected. Total snow accumulations between 4 and 9 inches. Winds gusting as high as 40 mph. * WHERE...East Glacier Park Region. * WHEN...From noon Tuesday to 6 AM MDT Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Areas of blowing and drifting ...

GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS
* WHAT...Heavy snow expected. Total snow accumulations between 7 and 14 inches, except 2 to 4 inches along the Montana Idaho border, including the West Yellowstone area. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 6 PM Tuesday to 6 PM MDT Wednesday. * IMPACTS...Roads, and especially ...

NORTHERN HIGH PLAINS
* WHAT...Snow expected. Total snow accumulations between 2 and 4 inches. Winds gusting as high as 45 mph. * WHERE...Northern High Plains. * WHEN...From noon Tuesday to 6 AM MDT Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Areas of blowing and drifting snow ...

WEST GLACIER REGION
* WHAT...Snow expected above 3500 feet. Total snow accumulations between 2 and 4 inches with up to 9 inches for the higher elevations of Glacier N.P. Generally less than one inch for the lowest elevations. * WHERE...Marias Pass, Essex, and Polebridge. * WHEN...From 6 PM Tuesday to 6 AM MDT ...

THE LITTLE ROCKIES; THE LOWER MISSOURI RIVER BREAKS INCLUDING THE ...
..CRITICAL FIRE WEATHER CONDITIONS EXPECTED FOR TUESDAY... The National Weather Service in Glasgow has issued a Red Flag Warning, which is in effect from 9 AM to 9 PM MDT Tuesday. The Fire Weather Watch is no longer in effect. * TIMING...9am through 9pm Tuesday. * WINDS...Northwest at 25 to ...

DAWSON/MCCONE/PRAIRIE/RICHLAND/WIBAUX COUNTIES; NORTHERN VALLEY AND NORTHERN PHILLIPS COUNTIES
..CRITICAL FIRE WEATHER CONDITIONS EXPECTED FOR TUESDAY... The National Weather Service in Glasgow has issued a Red Flag Warning, which is in effect from 9 AM to 9 PM MDT Tuesday. * AFFECTED AREA...Fire weather zones 122 and 134. The highest threats for fire activity will be south of US-2 ...


Popular Whitewater Destinations

River Run Status Streamflow (CFS) Air Temp (F)
33.44
Bear Creek to Essex
Class II to III+
RUNNABLE 445 55
RUNNABLE 1030 46
Bible Run
Class III to IV
RUNNABLE 529 54
Big Creek to Glacier Rim
Class III- to III
RUNNABLE 1380 47
Border to Polebridge
Class II to II+
TOO LOW 432 45
RUNNABLE 1970 41
RUNNABLE 1290 49
Gardiner Town Run
Class III- to III+
RUNNABLE 1080 43
RUNNABLE 4590 49
Missoula Town Run
Class II to II+
RUNNABLE 958 49
RUNNABLE 4310 53
Moose to Storm Castle
Class III+ to IV+
RUNNABLE 308 51
Polebridge to Big Creek
Class II to III-
RUNNABLE 4590 49
RUNNABLE 4310 53
RUNNABLE 4310 53
RUNNABLE 1080 43
Flow Reports by Region

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