Mores Creek above Robie Creek, ID

River level and flood forecast · Boise County

Normal1.9 ftas of Mon 11:30 PM

The river is 6.9 ft below flood stage (8.8 ft).

Forecast to hold near 1.9 ft through Tue, Oct 20, 12 AM.

Flow: 32 cubic feet per second (USGS).

The last 7 days and the forecast

0246810WedFriSunTueThuSatMonAction 8 ftFlood 8.8 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 1:08 PM. Forecasts change as rain falls and as upstream water arrives.

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Flood stages

Flood stage8.8 ft
Action stage8 ft
Record crest (December 23, 1955)9.55 ft

What floods at each level

From the National Weather Service, highest first.

  • 8.8 ftWater will encroach on a single lane of Highway 21 along a few low sections adjacent to Mores Creek.
  • 8 ftWater will be near the edge of Highway 21 in some low spots along Mores Creek, between Robie Creek and Idaho City.

Highest crests on record

  1. 9.55 ft — December 23, 1955
  2. 9.18 ft — January 2, 1997
  3. 8.91 ft — March 20, 2017
  4. 8.83 ft — April 5, 2006
  5. 8.79 ft — February 24, 1986

Recent crests: 5.52 ft (March 27, 2025) · 5.72 ft (April 5, 2024) · 6.8 ft (May 2, 2023) · 4.28 ft (June 13, 2022) · 4.26 ft (April 5, 2021)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MORI1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.