St. Croix River at Stillwater, MN

River level and flood forecast · Washington County

Normal75.6 ftas of Mon 2 PM

The river is 11.4 ft below flood stage (87 ft).

Forecast to hold near 75.6 ft through Mon, Oct 19, 7 AM.

Flow: 2,730 cubic feet per second (USGS).

The last 7 days and the forecast

7075808590TueThuSatMonWedFriSunAction 80 ftFlood 87 ftModerate 88 ftMajor 89 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 7:47 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage89 ft
Moderate flood stage88 ft
Flood stage87 ft
Action stage80 ft
Record crest (April 18, 1965)94.1 ft

What floods at each level

From the National Weather Service, highest first.

  • 95 ftEstimated top of the flood protection dike in Afton.
  • 94.8 ftHighway 95 near 2nd Ave in Bayport may be closed.
  • 94 ftEstimated top of the flood protection dike at St Croix Beach.
  • 92 ftAbandoned railroad bed north of Vine Street to St Croix Street impacted.
  • 91 ftDike Road impacted.
  • 90 ftLakefront Park bathhouse in Hudson affected.
  • 89 ftThe city park in Bayport begins flooding. Lake Mallalieu dam gates overtopped.
  • 86.75 ftBuckeye Street Garage in Hudson impacted.
  • 86 ftDue to safety issues...the Stillwater lift bridge will be closed near this stage.
  • 85.8 ftFirst Street between Buckeye and Commercial Streets floods
  • 85 ftSeveral residences along the river may experience flooding in their basements. Front Street in Hudson WI closes.
  • 84 ftSecond tier at Lakefront Park in Hudson floods.
  • 83 ftMinnesota and Wisconsin DNRs invoke a no wake zone on the river.
  • 80 ftSeawall at Lakefront Park in Hudson floods.
  • 77 ftThe Stillwater Riverwalk becomes inundated.

Highest crests on record

  1. 94.1 ft — April 18, 1965
  2. 92.3 ft — April 27, 2001
  3. 92.2 ft — April 16, 1969
  4. 91.1 ft — April 16, 2001
  5. 90.45 ft — April 12, 1997

Recent crests: 88.1 ft (July 1, 2024) · 89.21 ft (April 24, 2023) · 85.17 ft (May 18, 2022) · 81.55 ft (April 17, 2021) · 86.02 ft (April 6, 2020)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (STLM5); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.