Wisconsin River below Alexander Dam

Highest listed crest 1,260.53 ftFlood stage 1,259.0 ft4 crests since 2016

The Wisconsin River below Alexander Dam crested above flood stage 3 times among the 4 crests the National Weather Service lists from 2016 to 2023. The highest, 1,260.53 ft on April 14, 2023, was minor flooding, 1.53 feet above flood stage. 7 other gauges on the Wisconsin River crested above flood stage within a week of it, 1 at its own highest listed crest.

The gauge

Highest listed crest
1,260.53 ft
April 14, 2023
Flood stage
1,259.0 ft
Major flooding from 1,263.0 ft
Crests at major
0
3 above flood stage
Most recent flood crest
April 14, 2023
1,260.53 ft, minor flooding
Location
Lincoln County
Wisconsin
Identifiers
NWS ALXW3
No USGS station

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Wisconsin River below Alexander Dam
Action stage1,256.01Oct 16, 2016The level at which the NWS or its partners begin to take action
Flood stage (minor)1,259.03Apr 14, 2023Minimal or no property damage, but possibly some public threat
Moderate flood stage1,261.00—Some inundation of structures and roads near the stream
Major flood stage1,263.00—Extensive inundation of structures and roads

Every listed crest

4 crests from 2016 to 2023. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Wisconsin River below Alexander Dam, 2016 to 2023 125812591260126112621263ft Flood stage 1,259.0 ftMajor 1,263.0 ft Oct 16, 2016: 1,258.00 ft, action stage; 10,000 cubic feet per secondMay 19, 2017: 1,260.32 ft, minor flooding; 40,029 cubic feet per secondJun 13, 2017: 1,260.13 ft, minor flooding; 38,810 cubic feet per secondApr 14, 2023: 1,260.53 ft, minor flooding Highest, 1,260.53 ft, Apr 14, 2023 20202025

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Wisconsin River below Alexander Dam 2010s: 2 2 2020s: 1 2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Wisconsin River below Alexander Dam
1Apr 14, 20231,260.53+1.53Minor—
2May 19, 20171,260.32+1.32Minor40,029
3Jun 13, 20171,260.13+1.13Minor38,810
4Oct 16, 20161,258.00−1.00Action10,000

The worst floods along the Wisconsin River

For this gauge's highest crests, the other gauges on the Wisconsin River that crested above flood stage within a week.

April 14, 2023: 1,260.53 ft here, minor flooding

  • PortageWI · Apr 18, 2023 · 18.91 ft · Moderate
  • Wausau DamWI · Apr 18, 2023 · 1,169.87 ft · Minor · its highest
  • Stevens Point DamWI · Apr 12, 2023 · 1,077.57 ft · Minor
  • Whiting DamWI · Apr 12, 2023 · 1,054.04 ft · Minor
  • Biron DamWI · Apr 14, 2023 · 1,017.34 ft · Minor
  • RothschildWI · Apr 13, 2023 · 26.10 ft · Minor
  • MerrillWI · Apr 14, 2023 · 13.28 ft · Minor

May 19, 2017: 1,260.32 ft here, minor flooding

  • PortageWI · May 22, 2017 · 18.30 ft · Moderate
  • Wausau DamWI · May 19, 2017 · 1,168.77 ft · Minor
  • Stevens Point DamWI · May 19, 2017 · 1,077.85 ft · Minor
  • Whiting DamWI · May 19, 2017 · 1,054.19 ft · Minor
  • Biron DamWI · May 20, 2017 · 1,017.62 ft · Minor
  • RothschildWI · May 19, 2017 · 25.84 ft · Minor
  • MerrillWI · May 19, 2017 · 12.26 ft · Minor

June 13, 2017: 1,260.13 ft here, minor flooding

  • Wausau DamWI · Jun 13, 2017 · 1,167.50 ft · Minor
  • MerrillWI · Jun 13, 2017 · 11.65 ft · Minor

Gauges on the Wisconsin River

Flood gauges sharing the river's name, linked within 80 miles of one another.

Flood gauges on the Wisconsin River
MerrillWI11.018.26 ft, Aug 31, 19412
MuscodaWI9.011.48 ft, Sep 16, 19382
PortageWI17.020.66 ft, Sep 28, 20108
Rainbow ReservoirWI6.07.59 ft, Sep 5, 19410
RothschildWI25.032.30 ft, Sep 1, 19416
Wisconsin DellsWI16.020.70 ft, Mar 16, 19733
Wisconsin RapidsWI12.018.80 ft, Jun 15, 18802
Alexander Dam this gaugeWI1,259.01,260.53 ft, Apr 14, 20230
Biron DamWI1,017.01,020.73 ft, Sep 25, 20100
Dubay DamWI1,098.01,103.11 ft, Sep 24, 20100
Stevens Point DamWI1,076.01,080.64 ft, Sep 24, 20100
Wausau DamWI1,167.01,169.87 ft, Apr 18, 20230
Whiting DamWI1,053.01,055.99 ft, Sep 25, 20100
Wisconsin Rapids DamWI991.0993.27 ft, Sep 25, 20100

Other gauges in Lincoln County

Flood gauges in Lincoln County
Merrill7.09.45 ft, Aug 31, 19410
Spirit Falls8.010.00 ft, Sep 18, 19420
Merrill11.018.26 ft, Aug 31, 19412

Lincoln County: every hazard · River floods across the country · Wisconsin

NOAA National Water Prediction Service, gauge ALXW3, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.