River Conditions
Illustrated map of Lake Itasca

River stage

Stillwater, St. Croix River

River level
75.41 ft
Status
Below flood stage
Action stage
80.00 ft
Flood stage
87.00 ft
Record crest
94.10 ft

Last reported 2026-10-13 | NWS STLM5

Readings
122
Record crest
94.10 ft
Flood stage
87.00 ft
Moderate flood
88.00 ft
Major flood
89.00 ft

In brief

The St. Croix River at Stillwater, MN read 75.41 ft on Oct 13, 2026, 4.59 ft below action stage.

Source: National Weather Service gauge STLM5

Stage threshold profile

Action stage 80.00 ftMinor flooding 87.00 ftModerate flooding 88.00 ftMajor flooding 89.00 ft CURRENT 75.41 ft

Highest crests on record

RankCrestDate
1 94.10 ft 1965-04-18
2 92.30 ft 2001-04-27
3 92.20 ft 1969-04-16
4 91.10 ft 2001-04-16
5 90.45 ft 1997-04-12
6 89.70 ft 1952-04-14
7 89.21 ft 2023-04-24
8 88.48 ft 2019-03-31

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 77.00 ft

    The Stillwater Riverwalk becomes inundated.

  2. 80.00 ft

    Seawall at Lakefront Park in Hudson floods.

  3. 83.00 ft

    Minnesota and Wisconsin DNRs invoke a no wake zone on the river.

  4. 84.00 ft

    Second tier at Lakefront Park in Hudson floods.

  5. 85.00 ft

    Several residences along the river may experience flooding in their basements. Front Street in Hudson WI closes.

  6. 85.80 ft

    First Street between Buckeye and Commercial Streets floods

  7. 86.00 ft

    Due to safety issues...the Stillwater lift bridge will be closed near this stage.

  8. 86.75 ft

    Buckeye Street Garage in Hudson impacted.

  9. 89.00 ft

    The city park in Bayport begins flooding. Lake Mallalieu dam gates overtopped.

  10. 90.00 ft

    Lakefront Park bathhouse in Hudson affected.

Written by the local National Weather Service forecast office for this exact gauge.

Water 64 °F (18 °C) · -1 °F in 24 hours

Frequently asked questions

Is the St. Croix River flooding at Stillwater?

No. The St. Croix River at Stillwater is at 75.41 ft, 4.59 ft below action stage.

What is the flood stage at Stillwater?

The National Weather Service sets action stage 80 ft, minor flooding 87 ft, moderate flooding 88 ft and major flooding 89 ft.

What is the highest the St. Croix River has been at Stillwater?

The highest crest on record is 94.1 ft, on 1965-04-18.

How warm is the water at Stillwater, St. Croix River?

The water temperature at Stillwater, St. Croix River is 64 °F (18.0 °C), measured 7:15 pm by USGS. It has fallen 1.4 °F in the last 24 hours.

Stage and flood information from the NOAA National Weather Service (gauge STLM5); daily history from the U.S. Geological Survey (site 05341550). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.