SNOFLO
 



BOISE RIVER

RIVER LEVELS
April 27, 2025


Total streamflow across the Boise River was last observed at 3,670 cfs, and is expected to yield approximately 7,279 acre-ft of water today; about 48% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 7,662 cfs, with recent peaks last observed on 2017-06-05 when daily discharge volume was observed at 27,530 cfs.

Maximum discharge along the river is currently at the Boise River Nr Twin Springs Id reporting a streamflow rate of 3,670 cfs. However, the streamgauge with the highest stage along the river is the Boise River Nr Parma Id with a gauge stage of 9.22 ft. This river is monitored from 5 different streamgauging stations along the Boise River, the highest being situated at an altitude of 3,257 ft, the Boise River Nr Twin Springs Id.

Last Updated 2025-04-27
Discharge Volume 7,279 ACRE-FT
Streamflow 3,670.0 cfs
+470.0 cfs (+14.69%)
Percent of Normal 47.9%
Maximum 27,530.0 cfs
2017-06-05
Seasonal Avg 7,662 cfs
       
River Streamflow Levels
Created with Highcharts 8.0.0Total River Discharge (cfs)18. Apr19. Apr20. Apr21. Apr22. Apr23. Apr24. Apr25. Apr26. Apr27. Apr02k4k
Seasonal Discharge Comparison
Created with Highcharts 8.0.0Total River Discharge (cfs)1. Jan1. Feb1. Mar1. Apr1. May1. Jun1. Jul1. Aug1. Sep1. Oct1. Nov1. Dec1. Jan010k20k30k
Maximum Streamflow Discharge
Created with Highcharts 8.0.0YearAnnual Peak Discharge(cfs)201020112012201320142015201620172018201920202021202220232024202520262k4k10k20k40k

Weather Forecast

Streamflow Elevation Profile
Created with Highcharts 8.0.0

The Boise River is a 102-mile-long (164 km) tributary of the Snake River in the northwestern United States. It drains a rugged portion of the Sawtooth Range in southwestern Idaho northeast of Boise, as well as part of the western Snake River Plain. The watershed encompasses approximately 4,100 square miles (11,000 km2) of highly diverse habitats, including alpine canyons, forest, rangeland, agricultural lands, and urban areas.