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Elev 779 ft, 42.31 °N, 89.36 °W

Pecatonica, IL Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Pecatonica, IL
Elevation: 779ft
Nearby Weather Stations

Active Weather Alerts

River Flood Warning
Issued: 2:33 AM Apr. 24, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Rock River at Afton.

* WHEN...Until further notice.

* IMPACTS...At 10.5 feet, Floodwaters affect Riverside Park on the
north side of Janesville and South River Road on the south side of
Janesville. Floodwaters affect low spots on South River Rd on the
south side of Janesville. Floodwaters affect a home on South
Christian Rd on the east side of the river in the Afton area.
There is extensive lowland and agricultural land flooding in the
Afton and Janesville areas.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Thursday the stage was 10.7 feet.
- Bankfull stage is 8.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:00 PM CDT Thursday was 10.7 feet.
- Forecast...The river is expected to hold steady in minor
flood through the weekend.
- Flood stage is 9.0 feet.
- Flood History...This crest compares to a previous crest of
10.7 feet on 06/02/2000.
- 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    Fri  Sat  Sun  Mon
Afton           9.0   8.0   10.67 8 pm 4/23   10.7 10.7 10.6 10.6

-                    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
Afton           12.11 1 am 4/18        -0.06       10.70 7 am 4/26


&&



River Flood Warning
Issued: 1:48 AM Apr. 24, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Moderate flooding is occurring and is forecasted to
continue.

* WHERE...Rock River from Prairie Hill Road downstream to Swanson
Road in Roscoe, including the Rockton gauge.

* WHEN...Until further notice.

* IMPACTS...At 12.0 feet, multiple low-lying roads threatened along
the river in Roscoe.

* ADDITIONAL DETAILS...
- At 7:30 PM CDT Thursday, the stage was 11.7 feet.
- Forecast...The river is expected to only gradually fall
through the weekend. It may fall into Minor flood stage by
early next week.
- Flood stage is 10.0 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 1:48 AM Apr. 24, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is occurring and is forecasted to continue.

* WHERE...Rock River from Swanson Road in Roscoe downstream to
Shorewood Park in Loves Park, including the Latham Park gauge.

* WHEN...Until further notice.

* IMPACTS...At 11.0 feet, low-lying sections of Harbor Oaks Drive
are threatened in north Machesney Park. Low-lying residences are
threatened along Queen Oaks Drive in Machesney Park. Browns Beach
Road is threatened in north Rockford. Lower parking lot of
Sportscore One is inundated in north Rockford.

* ADDITIONAL DETAILS...
- At 7:30 PM CDT Thursday, the stage was 10.9 feet.
- Forecast...The river is expected to only gradually fall
through next week and will likely remain above flood stage
through at least early next week.
- Flood stage is 9.0 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 1:36 AM Apr. 24, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is occurring and is forecasted to continue.

* WHERE...Pecatonica River from Winnebago County line downstream to
confluence with the Rock River, including the Shirland gauge.

* WHEN...Until further notice.

* IMPACTS...At 14.0 feet, structures threatened at Rivers Edge
Campground east of Shirland.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Thursday, the stage was 13.2 feet.
- Forecast...The river is expected to gradually fall to below
flood stage sometime this weekend or early next week.
- Flood stage is 12.0 feet.
- http://www.weather.gov/safety/flood

&&



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