Watches, Warnings & Advisories

One product issued by NWS for: Portage WI

Flood Warning

Flood Statement
National Weather Service Milwaukee/Sullivan WI
408 PM CDT Wed May 29 2024

...The Flood Warning continues for the following rivers in

  ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County.

  Wisconsin River At Portage affecting Columbia County.


Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Motorists should not attempt to drive around barricades or drive
cars through flooded areas.

Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.

Additional information is available at

The next statement will be issued late tonight at 415 AM CDT.


408 PM CDT Wed May 29 2024


* WHAT...Minor flooding is forecast.

* WHERE...Wisconsin River at Portage.

* WHEN...Until tomorrow evening.

* IMPACTS...At 17.0 feet, There is general overflow of the river.
  Water is near homes in the Blackhawk Park area of Portage on the
  south side of the river along Old River Road. Floodwaters are over
  West Lake Road and Blackhawk Road in the Blackhawk Park area.

  - At 3:30 PM CDT Wednesday the stage was 16.8 feet.
  - Bankfull stage is 12.7 feet.
  - Forecast...The river is expected to rise above flood stage
    this evening to a crest of 17.1 feet just after midnight
    tonight. It will then fall below flood stage early tomorrow
  - Flood stage is 17.0 feet.
  - Flood History...This crest compares to a previous crest of
    17.1 feet on 05/07/1993.


River forecasts are available for some but not all river gaging
locations. The 7 day river forecast takes into account past
precipitation, soil moisture conditions, and predicted
precipitation for the basin. Precipitation is for the next 24 hours
in the future from April through September and for 48 hours in the
future from October through March.

(Stages in ft.)       Bank-       Latest         Forecast stages
-               Flood full       observed        ...for 7 pm...
Location        stage stage     stage/time    Thu  Fri  Sat  Sun
Portage         17.0  12.7  16.84 3 pm 5/29   16.8 16.2 15.4 14.5

-                    Highest       24 hour change
-                    observed      in river stage
-                    stage in        (ft.) up to     Highest stage
-                    the last      latest observed    forecast in
-                     7 days            stage         next 7 days
Portage         16.84 3 pm 5/29         1.19       17.10 7 am 5/30


LAT...LON 4351 8970 4365 8966 4359 8937 4339 8939
      4344 8965 4350 8957