Snake River (NW MN) above Warren, MN

River level and flood forecast · Marshall County

Normal61.7 ftas of Mon 3 PM

The river is 5.3 ft below flood stage (67 ft).

Flow: 45 cubic feet per second (USGS).

The last 7 days and the forecast

6062.56567.57072.5TueWedThuFriSatSunMonAction 66 ftFlood 67 ftModerate 71 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage75 ft
Moderate flood stage71 ft
Flood stage67 ft
Action stage66 ft
Record crest (May 13, 2022)73.01 ft

What floods at each level

From the National Weather Service, highest first.

  • 75 ftMAJOR FLOOD STAGE.
  • 71 ftMODERATE FLOOD STAGE.
  • 67 ftMINOR FLOOD STAGE.
  • 66 ftACTION STAGE/FORECAST SERVICE STAGE. Roughly corresponds with 500 cfs and when the downstream diversion gates are first adjusted.

Highest crests on record

  1. 73.01 ft — May 13, 2022
  2. 72.3 ft — March 24, 2009
  3. 72.06 ft — April 8, 2020
  4. 71.35 ft — April 21, 2018
  5. 71.32 ft — October 12, 2019

Recent crests: 67.75 ft (March 25, 2026) · 63 ft (April 29, 2025) · 67.21 ft (June 19, 2024) · 70.05 ft (April 15, 2023) · 73.01 ft (May 13, 2022)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MKLM5); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.