Boise River near Twin Springs, ID
River level and flood forecast · Boise County
Normal5.3 ftas of Mon 11:30 PM
Forecast to hold near 5.3 ft through Tue, Oct 20, 12 AM.
Flow: 334 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 1:08 PM. Forecasts change as rain falls and as upstream water arrives.
Highest crests on record
- 13.84 ft — April 27, 2012
- 13.09 ft — May 7, 2017
- 12.54 ft — May 16, 2011
- 12.49 ft — April 9, 2019
- 12.38 ft — May 2, 2023
Recent crests: 10.78 ft (May 12, 2025) · 10.96 ft (June 4, 2024) · 12.38 ft (May 2, 2023) · 11.17 ft (June 13, 2022) · 9.18 ft (May 2, 2021)
Up and down the river, and nearby
- DownstreamBoise River above Lucky Peak Dam, ID
- Mores Creek above Robie Creek, ID
- South Fork Boise River at Pine (near Featherville), ID
- South Fork Boise River below Anderson Ranch Dam, ID
- Boise River at Boise (Glenwood Bridge), ID
- Canyon Creek at Oregon Trail Crossing, ID
- South Fork Payette River at Lowman, ID
- Payette River at Horseshoe Bend, ID
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BTSI1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.