6 products issued by NWS for: Roscoe IL
Flood Warning
Flood Statement
National Weather Service Milwaukee/Sullivan WI
438 PM CDT Mon Apr 20 2026
...The Flood Warning continues for the following rivers in
Wisconsin...Illinois...
Rock River At Newville affecting Rock County.
Rock River Near Lake Koshkonong affecting Rock and Jefferson
Counties.
Rock River At Fort Atkinson affecting Jefferson County.
Rock River At Afton affecting Rock and Winnebago Counties.
Rock River At Jefferson affecting Jefferson County.
Rock River At Watertown affecting Jefferson County.
ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
Even 6 inches of fast-moving flood water can knock you off your feet
and a depth of 2 feet will float your car. Never try to walk, swim,
or drive through such swift water. If you come upon flood waters,
stop, turn around and go another way.
Additional information is available at www.weather.gov.
The next statement will be issued late tonight at 445 AM CDT.
&&
ILC201-WIC105-210945-
/O.CON.KMKX.FL.W.0032.000000T0000Z-000000T0000Z/
/AFTW3.2.ER.260416T1717Z.260418T0645Z.000000T0000Z.NO/
438 PM CDT Mon Apr 20 2026
...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 11.1 feet, Floodwaters affect Riverside Park and a
road in 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 1:00 PM CDT Monday the stage was 10.4 feet.
- Bankfull stage is 8.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 1:00 PM CDT Monday was 10.4 feet.
- Forecast...The river is expected to rise to a crest of 11.0
feet Friday morning.
- Flood stage is 9.0 feet.
- Flood History...This crest compares to a previous crest of
11.0 feet on 09/13/1915.
- 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 Tue Wed Thu Fri
Afton 9.0 8.0 10.35 1 pm 4/20 10.6 10.8 10.9 11.0
- 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 0.07 11.00 1 am 4/27
&&
LAT...LON 4274 8910 4274 8903 4265 8899 4248 8902
4248 8910 4261 8909
$$
Flood Warning
Flood Statement
National Weather Service Milwaukee/Sullivan WI
419 PM CDT Mon Apr 20 2026
...The Flood Warning continues for the following rivers in
Illinois...Wisconsin...
Sugar River At Brodhead affecting Rock, Green and Winnebago
Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Even 6 inches of fast-moving flood water can knock you off your feet
and a depth of 2 feet will float your car. Never try to walk, swim,
or drive through such swift water. If you come upon flood waters,
stop, turn around and go another way.
Additional information is available at www.weather.gov.
The next statement will be issued late tonight at 300 AM CDT.
&&
ILC201-WIC045-105-210800-
/O.CON.KMKX.FL.W.0021.000000T0000Z-260421T0800Z/
/BROW3.2.ER.260415T1555Z.260418T1130Z.260421T0200Z.NO/
419 PM CDT Mon Apr 20 2026
...FLOOD WARNING REMAINS IN EFFECT UNTIL LATE TONIGHT...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Sugar River at Brodhead.
* WHEN...Until late tonight.
* IMPACTS...At 5.5 feet, Some roads are flooded about 6 miles
downstream in Avon Township in Rock County. In the Avon Bottoms
area of Rock County, flooding is occurring in Sugar River Park.
* ADDITIONAL DETAILS...
- At 3:00 PM CDT Monday the stage was 5.5 feet.
- Bankfull stage is 4.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 3:00 PM CDT Monday was 6.3 feet.
- Forecast...The river is expected to fall below flood stage
late this evening and continue falling to 1.9 feet Monday,
April 27.
- Flood stage is 5.0 feet.
- Flood History...This crest compares to a previous crest of
5.5 feet on 03/16/2008.
- 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 Tue Wed Thu Fri
Brodhead 5.0 4.5 5.53 3 pm 4/20 3.7 2.8 2.3 2.1
- 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
Brodhead 8.26 6 am 4/18 -0.85 5.50 1 pm 4/20
&&
LAT...LON 4263 8944 4266 8937 4257 8932 4248 8919
4241 8921 4249 8938
$$
HEEREN
Flood Warning
Flood Statement
National Weather Service Chicago IL
1136 AM CDT Mon Apr 20 2026
...The Flood Warning is extended for the following rivers in
Illinois...
Kishwaukee River near Perryville affecting Winnebago County.
...The Flood Warning continues for the following rivers in
Illinois...
Rock River at Byron affecting Ogle County.
Illinois River at La Salle affecting La Salle, Bureau and Putnam
Counties.
Pecatonica River near Shirland affecting Winnebago County.
Rock River at Rockton affecting Winnebago County.
Rock River at Latham Park affecting Winnebago County.
Fox River at Montgomery affecting Kendall and Kane Counties.
Des Plaines River at Lincolnshire affecting Cook and Lake IL
Counties.
Des Plaines River near Russell affecting Lake IL County.
Des Plaines River near Gurnee affecting Lake IL County.
...Observed flooding changed to Minor severity for the following
rivers in Illinois...
Rock River at Dixon affecting Lee and Ogle Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Warning means water levels above flood stage are imminent or
may already be occurring. Persons along rivers and streams in the
warned area should take immediate precautions to protect life and
property.
These forecasts are based on observed precipitation as well as
forecast precipitation 24 hours into the future. Changes to the
rainfall forecast, or any additional rainfall after 24 hours, may
cause changes to these river forecasts.
Additional information is available at www.weather.gov.
The next statement will be issued by this evening.
&&
ILC201-211045-
/O.CON.KLOT.FL.W.0025.000000T0000Z-000000T0000Z/
/ROKI2.2.ER.260416T2122Z.260419T0445Z.000000T0000Z.NO/
1136 AM CDT Mon Apr 20 2026
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* 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 10:30 AM CDT Monday the stage was 12.2 feet.
- Recent Activity...The river crested yesterday at 12.5 feet,
and has begun a slow fall.
- Forecast...The river will continue a slow fall over the next
several days.
- Flood stage is 10.0 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4248 8910 4247 8902 4245 8902 4239 8898
4239 8908 4246 8912
$$
Flood Warning
Flood Statement
National Weather Service Chicago IL
1136 AM CDT Mon Apr 20 2026
...The Flood Warning is extended for the following rivers in
Illinois...
Kishwaukee River near Perryville affecting Winnebago County.
...The Flood Warning continues for the following rivers in
Illinois...
Rock River at Byron affecting Ogle County.
Illinois River at La Salle affecting La Salle, Bureau and Putnam
Counties.
Pecatonica River near Shirland affecting Winnebago County.
Rock River at Rockton affecting Winnebago County.
Rock River at Latham Park affecting Winnebago County.
Fox River at Montgomery affecting Kendall and Kane Counties.
Des Plaines River at Lincolnshire affecting Cook and Lake IL
Counties.
Des Plaines River near Russell affecting Lake IL County.
Des Plaines River near Gurnee affecting Lake IL County.
...Observed flooding changed to Minor severity for the following
rivers in Illinois...
Rock River at Dixon affecting Lee and Ogle Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Warning means water levels above flood stage are imminent or
may already be occurring. Persons along rivers and streams in the
warned area should take immediate precautions to protect life and
property.
These forecasts are based on observed precipitation as well as
forecast precipitation 24 hours into the future. Changes to the
rainfall forecast, or any additional rainfall after 24 hours, may
cause changes to these river forecasts.
Additional information is available at www.weather.gov.
The next statement will be issued by this evening.
&&
ILC201-210900-
/O.EXT.KLOT.FL.W.0027.000000T0000Z-260421T0900Z/
/PRYI2.1.ER.260416T1623Z.260419T1430Z.260421T0000Z.NO/
1136 AM CDT Mon Apr 20 2026
...FLOOD WARNING NOW IN EFFECT UNTIL LATE TONIGHT...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Kishwaukee River from Confluence with South Branch
Kishwaukee River downstream to the Rock River, including the
Perryville gauge.
* WHEN...Until late tonight.
* IMPACTS...At 12.0 feet, Water overtops low-lying banks in
Blackhawk Springs Forest Preserve and in south Rockford near
Chicago Rockford International Airport. Trails threatened at
Blackhawk Springs Forest Preserve.
* ADDITIONAL DETAILS...
- At 10:30 AM CDT Monday the stage was 12.2 feet.
- Recent Activity...The river stage has been falling since
yesterday.
- Forecast...The river is expected to fall below flood stage
this evening.
- Flood stage is 12.0 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4221 8910 4221 8903 4225 8898 4223 8893
4217 8899 4217 8916
$$
Flood Warning
Flood Statement
National Weather Service Chicago IL
1136 AM CDT Mon Apr 20 2026
...The Flood Warning is extended for the following rivers in
Illinois...
Kishwaukee River near Perryville affecting Winnebago County.
...The Flood Warning continues for the following rivers in
Illinois...
Rock River at Byron affecting Ogle County.
Illinois River at La Salle affecting La Salle, Bureau and Putnam
Counties.
Pecatonica River near Shirland affecting Winnebago County.
Rock River at Rockton affecting Winnebago County.
Rock River at Latham Park affecting Winnebago County.
Fox River at Montgomery affecting Kendall and Kane Counties.
Des Plaines River at Lincolnshire affecting Cook and Lake IL
Counties.
Des Plaines River near Russell affecting Lake IL County.
Des Plaines River near Gurnee affecting Lake IL County.
...Observed flooding changed to Minor severity for the following
rivers in Illinois...
Rock River at Dixon affecting Lee and Ogle Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Warning means water levels above flood stage are imminent or
may already be occurring. Persons along rivers and streams in the
warned area should take immediate precautions to protect life and
property.
These forecasts are based on observed precipitation as well as
forecast precipitation 24 hours into the future. Changes to the
rainfall forecast, or any additional rainfall after 24 hours, may
cause changes to these river forecasts.
Additional information is available at www.weather.gov.
The next statement will be issued by this evening.
&&
ILC201-211045-
/O.CON.KLOT.FL.W.0024.000000T0000Z-000000T0000Z/
/LATI2.2.ER.260416T1543Z.260419T1330Z.000000T0000Z.NO/
1136 AM CDT Mon Apr 20 2026
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* 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 11.5 feet, Queen Oaks Drive is threatened in
Machesney Park. Lower-level of elevated structures threatened
along Harbor Lights Court west of Machesney Park. Ritter Drive is
threatened north of Baldwin Drive in Machesney Park.
* ADDITIONAL DETAILS...
- At 10:30 AM CDT Monday the stage was 11.5 feet.
- Recent Activity...The river crested yesterday at 11.9 feet
and has begun a slow fall.
- Forecast...The river will continue a slow fall over the next
several days.
- Flood stage is 9.0 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4239 8908 4239 8898 4230 8903 4230 8911
$$
Flood Warning
Flood Statement
National Weather Service Chicago IL
1136 AM CDT Mon Apr 20 2026
...The Flood Warning is extended for the following rivers in
Illinois...
Kishwaukee River near Perryville affecting Winnebago County.
...The Flood Warning continues for the following rivers in
Illinois...
Rock River at Byron affecting Ogle County.
Illinois River at La Salle affecting La Salle, Bureau and Putnam
Counties.
Pecatonica River near Shirland affecting Winnebago County.
Rock River at Rockton affecting Winnebago County.
Rock River at Latham Park affecting Winnebago County.
Fox River at Montgomery affecting Kendall and Kane Counties.
Des Plaines River at Lincolnshire affecting Cook and Lake IL
Counties.
Des Plaines River near Russell affecting Lake IL County.
Des Plaines River near Gurnee affecting Lake IL County.
...Observed flooding changed to Minor severity for the following
rivers in Illinois...
Rock River at Dixon affecting Lee and Ogle Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Warning means water levels above flood stage are imminent or
may already be occurring. Persons along rivers and streams in the
warned area should take immediate precautions to protect life and
property.
These forecasts are based on observed precipitation as well as
forecast precipitation 24 hours into the future. Changes to the
rainfall forecast, or any additional rainfall after 24 hours, may
cause changes to these river forecasts.
Additional information is available at www.weather.gov.
The next statement will be issued by this evening.
&&
ILC201-211045-
/O.CON.KLOT.FL.W.0028.000000T0000Z-000000T0000Z/
/SIRI2.2.ER.260418T0022Z.260420T1800Z.260425T0000Z.NO/
1136 AM CDT Mon Apr 20 2026
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* 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 11:00 AM CDT Monday the stage was 14.1 feet.
- Recent Activity...The river is currently cresting near 14.1
feet.
- Forecast...The river is expected to begin a slow fall by
tomorrow.
- Flood stage is 12.0 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4236 8940 4247 8922 4249 8909 4242 8907
4240 8917 4226 8940
$$