Upper Iowa River at Dorchester

Last updated: Jul 14, 2025, 11:44 PM UTC
No watches, warnings or advisories are in effect for this area.

Flood Impacts 🅘

  • 24 - Iowa Highway 76 is overtopped just north of the gage site.
  • 22 - Iowa Highway 76 south of Dorchester may be threatened by flood waters.
  • 15 - Significant agricultural flooding begins.

Gauge Info

Coordinates 43.4211, -91.5088
RFC NCRFC
State IA
WFO ARX
County Allamakee
Data Provider(s)
US Geological Survey 05388250

Gauge Location

Recent Crests

1. 14.97 ft on 06-25-2024 (P)
2. 12.03 ft on 02-27-2023
3. 14.67 ft on 07-24-2022
4. 14.07 ft on 08-30-2021
5. 13.93 ft on 06-10-2020

Historic Crests

1. 24.30 ft on 08-25-2016
2. 22.46 ft on 06-09-2008
3. 22.20 ft on 02-28-1948
4. 21.80 ft on 05-30-1941
5. 20.89 ft on 03-05-1937

Vertical Datum Table

type NAVD88
major Flooding 678.80 ft
moderate Flooding 676.80 ft
minor Flooding 673.80 ft
action 670.80 ft
Latest Value 667.28 ft
Gauge Zero 659.80 ft

Gauge Photos

Photo 1 of 2

Downstream view at Dorchester Highway 76 bridge, September 30th, 2013, Stage = 7.24 ft

Probability Information

Photo 1 of 3

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

WFO Information

Weather Forecast Office
La Crosse
N2788 County Rd FA
La Crosse, WI 54601
Official Homepage