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Elev 965 ft, 43.45 °N, 89.24 °W

Rio, WI Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Rio, WI
Elevation: 965ft
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Active Weather Alerts

River Flood Warning
Issued: 2:55 AM Apr. 5, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM LATE SUNDAY NIGHT TO WEDNESDAY
AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Baraboo River near Baraboo.

* WHEN...From late Sunday night to Wednesday afternoon.

* IMPACTS...At 18.0 feet, If Wisconsin River at Portage up to 17
feet also, water approaches gravel of I-39 off ramp to Cascade Mt
Rd. There is widespread flooding of agricultural land.

* ADDITIONAL DETAILS...
- At 9:00 PM CDT Saturday the stage was 14.3 feet.
- Bankfull stage is 14.0 feet.
- Forecast...The river is expected to rise above flood stage
early Monday morning to a crest of 18.1 feet early Tuesday
afternoon. It will then fall below flood stage late Wednesday
morning.
- Flood stage is 16.0 feet.
- Flood History...This crest compares to a previous crest of
18.1 feet on 08/13/1980.
- http://www.weather.gov/safety/flood

&&

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    Sun  Mon  Tue  Wed
Baraboo         16.0  14.0  14.31 9 pm 4/04   15.6 17.5 17.9 13.8

-                    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
Baraboo         14.31 9 pm 4/04         2.11       18.10 1 pm 4/07


&&



River Flood Watch
Issued: 2:48 AM Apr. 5, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM LATE SUNDAY NIGHT TO EARLY FRIDAY
MORNING...

* WHAT...Flooding is possible.

* WHERE...Wisconsin River at Portage.

* WHEN...From late Sunday night to early Friday morning.

* IMPACTS...At 18.5 feet, Floodwaters affect River Shores Road about
3 miles upstream of Portage in the Town of Lewiston and River Oaks
Road about 7 miles downstream of Portage in the Town of Dekorra in
Columbia County. Water over Levee Rd and Tritz Rd. There is
widespread flooding of roads in the Blackhawk Park Area including
West Lake Road...Blackhawk Road and Wood Street. The Blackhawk
Park area is on the south side of the river about 3 miles south of
Portage.

* ADDITIONAL DETAILS...
- At 7:30 PM CDT Saturday the stage was 14.9 feet.
- Forecast...Flood stage may be reached early Monday morning.
- Flood stage is 17.0 feet.
- http://www.weather.gov/safety/flood

&&

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    Sun  Mon  Tue  Wed
Portage         17.0  12.7  14.85 7 pm 4/04   16.4 17.8 18.5 18.2

-                    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         16.05 11 am 3/30        0.00       18.50 7 pm 4/07


&&


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