Boulder Creek (CO) at North 75TH St., CO
River level and flood forecast · Boulder County
Normal4.5 ftas of Mon 1:15 PM
The river is 3.5 ft below flood stage (8 ft).
Flow: 26 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 5 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 10 ft |
| Moderate flood stage | 9 ft |
| Flood stage | 8 ft |
| Action stage | 7.5 ft |
| Record crest (September 13, 2013) | 10.6 ft |
What floods at each level
From the National Weather Service, highest first.
- 8 ftCONSIDERABLE LOWLAND FLOODING IN EAST BOULDER.
- 7.5 ftWATER OVERFLOWS BANKS INTO LOW LYING AREAS.
Highest crests on record
- 10.6 ft — September 13, 2013
- 7.85 ft — May 17, 1995
- 7.41 ft — May 9, 2015
- 7.32 ft — June 13, 1997
- 7.16 ft — August 5, 1999
Recent crests: 6.71 ft (May 30, 2021) · 6.53 ft (May 24, 2020) · 6.61 ft (July 2, 2019) · 6.66 ft (May 18, 2018) · 6.6 ft (May 18, 2017)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BOLC2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.