Beaver Creek near Grimes, IA
River level and flood forecast · Polk County
Normal7.0 ftas of Mon 4:15 PM
The river is 7.0 ft below flood stage (14 ft).
Flow: 1,050 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Wed, Oct 7, 2:02 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 17 ft |
| Moderate flood stage | 16 ft |
| Flood stage | 14 ft |
| Action stage | 11 ft |
| Record crest (July 10, 1993) | 16.58 ft |
What floods at each level
From the National Weather Service, highest first.
- 23 ftWater reaches the road surface of the NW 70th Ave bridge.
- 22.4 ftWater affects the low part of the west approach to the NW 70th Ave bridge.
- 18 ftWater reaches the bottom of the NW 70th Ave bridge deck.
- 16 ftWater affects the east approach of the NW 70th Ave bridge.
- 14 ftWater affects Hwy R22 south of Iowa 141 as well as Hwy F31 west of Granger.
- 12 ftThe west river bank overflows just south of the NW 70th Ave bridge.
- 10 ftWater flows through the pedestrian underpass at NW 62nd St.
- 9 ftBeaver Creek goes out of its banks at the meanders just north of NW 62nd St.
Highest crests on record
- 16.58 ft — July 10, 1993
- 14.9 ft — August 11, 2010
- 14.73 ft — June 30, 1986
- 14.69 ft — May 19, 1974
- 14.59 ft — May 24, 2004
Recent crests: 10.85 ft (July 31, 2025) · 11.78 ft (May 23, 2024) · 12.19 ft (June 7, 2022) · 4.94 ft (May 22, 2021) · 9.44 ft (May 28, 2020)
Up and down the river, and nearby
- DownstreamDes Moines River at Des Moines 2nd Ave, IA
- Des Moines River at Saylorville Tail, IA
- Walnut Creek at Des Moines 63rd St, IA
- Fourmile Creek near Ankeny NE 86th Ave, IA
- Raccoon River at Des Moines Fleur Dr, IA
- Raccoon River at Des Moines IA 28, IA
- Des Moines River at Des Moines SE 6th St, IA
- Fourmile Creek at Des Moines Easton Blvd, IA
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (GRMI4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.