304
WGUS83 KMKX 240950
FLSMKX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
450 AM CDT FRI APR 24 2026
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN
WISCONSIN...ILLINOIS...
ROCK RIVER NEAR LAKE KOSHKONONG AFFECTING JEFFERSON AND ROCK
COUNTIES.
ROCK RIVER AT FORT ATKINSON AFFECTING JEFFERSON COUNTY.
ROCK RIVER AT AFTON AFFECTING WINNEBAGO AND ROCK 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...
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.
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.
CAUTION IS URGED WHEN WALKING NEAR RIVERBANKS.
ADDITIONAL INFORMATION IS AVAILABLE AT WWW.WEATHER.GOV.
THE NEXT STATEMENT WILL BE ISSUED THIS AFTERNOON AT 500 PM CDT.
WIC055-105-242200-
/O.CON.KMKX.FL.W.0035.000000T0000Z-000000T0000Z/
/NVLW3.2.ER.260418T1425Z.260424T0800Z.000000T0000Z.NO/
450 AM CDT FRI APR 24 2026
..FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE
* WHAT...MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS
FORECAST.
* WHERE...ROCK RIVER NEAR LAKE KOSHKONONG.
* WHEN...UNTIL FURTHER NOTICE.
* IMPACTS...AT 11.3 FEET, THERE IS KNEE-DEEP WATER OVER BLACKHAWK
ISLAND ROAD. LAMP ROAD ON WEST SIDE OF RIVER ALSO BECOMES FLOODED.
LAKE KOSHKONONG MERGES WITH MUD LAKE TO THE EAST OF LAKE
KOSHKONONG.
* ADDITIONAL DETAILS...
- AT 4:00 AM CDT FRIDAY THE STAGE WAS 11.4 FEET.
- BANKFULL STAGE IS 9.0 FEET.
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS
ENDING AT 4:00 AM CDT FRIDAY WAS 11.4 FEET.
- FORECAST...THE RIVER IS EXPECTED TO FALL TO 10.4 FEET
THURSDAY EVENING.
- FLOOD STAGE IS 10.0 FEET.
- FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF
11.4 FEET ON 03/29/2009.
- 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 AM...
LOCATION STAGE STAGE STAGE/TIME SAT SUN MON TUE
LAKE KOSHKONONG 10.0 9.0 11.39 4 AM 4/24 11.3 11.2 11.1 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
LAKE KOSHKONONG 11.41 3 AM 4/24 0.04 11.30 7 PM 4/25
LAT...LON 4293 8894 4287 8886 4283 8892 4281 8900
4285 8907 4290 8902
WIC055-242200-
/O.CON.KMKX.FL.W.0034.000000T0000Z-260501T0000Z/
/FATW3.2.ER.260417T0700Z.260420T2040Z.260430T1800Z.NO/
450 AM CDT FRI APR 24 2026
..FLOOD WARNING REMAINS IN EFFECT UNTIL THURSDAY EVENING
* WHAT...MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS
FORECAST.
* WHERE...ROCK RIVER AT FORT ATKINSON.
* WHEN...UNTIL THURSDAY EVENING.
* IMPACTS...AT 17.5 FEET, FLOODWATERS PARTIALLY COVER LOW SPOTS ON
HIGHWAY 106 NEAR ROCK RIVER PARK. A RIVERSIDE WALKWAY NEAR SOUTH
WATER STREET IN DOWNTOWN FORT ATKINSON IS CLOSED. A FEW HOMES AND
BUSINESSES ARE SURROUNDED BY WATER AT THE END OF VETS LANE NEAR
THE INTERSECTION OF HIGHWAY 106 AND BLACKHAWK ISLAND ROAD ABOUT 1
MILE SOUTHWEST OF FORT ATKINSON. NORTH SHORE ROAD ABOUT 1 MILE
SOUTHWEST OF FORT ATKINSON IS CLOSED. RALPH RD IMPACTED.
FLOODWATERS COVER FIELDS ON THE EAST SIDE OF FORT ATKINSON.
* ADDITIONAL DETAILS...
- AT 4:00 AM CDT FRIDAY THE STAGE WAS 17.3 FEET.
- BANKFULL STAGE IS 14.5 FEET.
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS
ENDING AT 4:00 AM CDT FRIDAY WAS 17.4 FEET.
- FORECAST...THE RIVER IS EXPECTED TO FALL BELOW FLOOD STAGE
EARLY THURSDAY AFTERNOON AND CONTINUE FALLING TO 15.9 FEET
THURSDAY EVENING.
- FLOOD STAGE IS 16.0 FEET.
- FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF
17.3 FEET ON 04/16/2008.
- 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 AM...
LOCATION STAGE STAGE STAGE/TIME SAT SUN MON TUE
FORT ATKINSON 16.0 14.5 17.32 4 AM 4/24 17.1 17.0 16.8 16.5
- 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
FORT ATKINSON 17.41 3 PM 4/20 -0.04 17.30 1 PM 4/24
LAT...LON 4295 8887 4295 8876 4291 8878 4286 8887
4292 8895 4294 8890
ILC201-WIC105-242200-
/O.CON.KMKX.FL.W.0032.000000T0000Z-000000T0000Z/
/AFTW3.2.ER.260416T1717Z.260418T0645Z.000000T0000Z.NO/
450 AM CDT FRI APR 24 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 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 3:00 AM CDT FRIDAY THE STAGE WAS 10.7 FEET.
- BANKFULL STAGE IS 8.0 FEET.
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS
ENDING AT 3:00 AM CDT FRIDAY WAS 10.7 FEET.
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST OF 10.7
FEET THIS MORNING.
- 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 AM...
LOCATION STAGE STAGE STAGE/TIME SAT SUN MON TUE
AFTON 9.0 8.0 10.68 3 AM 4/24 10.7 10.7 10.6 10.5
- 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
AFTON 12.11 1 AM 4/18 -0.06 10.70 7 AM 4/26
LAT...LON 4274 8910 4274 8903 4265 8899 4248 8902
4248 8910 4261 8909
WIC055-242200-
/O.CON.KMKX.FL.W.0024.000000T0000Z-260428T2100Z/
/JFFW3.2.ER.260416T1222Z.260420T1115Z.260428T1500Z.NO/
450 AM CDT FRI APR 24 2026
..FLOOD WARNING REMAINS IN EFFECT UNTIL TUESDAY AFTERNOON
* WHAT...MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS
FORECAST.
* WHERE...ROCK RIVER AT JEFFERSON.
* WHEN...UNTIL TUESDAY AFTERNOON.
* IMPACTS...AT 11.5 FEET, FLOODWATERS AFFECT HIGHWAY K BETWEEN
JEFFERSON AND FORT ATKINSON. FLOODWATERS AFFECT SOME LOW LYING
RESIDENCES AND BUSINESSES IN JEFFERSON. WATER ON ROAD AT HWY 26
(MAIN ST) AND HWY N (E DANE ST) AND S CENTER AVE. RIVERVIEW DRIVE
NEAR THE WASTEWATER PLANT IS FLOODED AND CLOSED.
* ADDITIONAL DETAILS...
- AT 4:00 AM CDT FRIDAY THE STAGE WAS 11.3 FEET.
- BANKFULL STAGE IS 8.0 FEET.
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS
ENDING AT 4:00 AM CDT FRIDAY WAS 11.4 FEET.
- FORECAST...THE RIVER IS EXPECTED TO FALL BELOW FLOOD STAGE
LATE TUESDAY MORNING AND CONTINUE FALLING TO 8.9 FEET
THURSDAY EVENING.
- FLOOD STAGE IS 10.0 FEET.
- FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF
11.4 FEET ON 04/14/2008.
- 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 AM...
LOCATION STAGE STAGE STAGE/TIME SAT SUN MON TUE
JEFFERSON 10.0 8.0 11.32 4 AM 4/24 11.1 10.9 10.5 10.1
- 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
JEFFERSON 11.69 6 AM 4/20 -0.11 11.40 1 AM 4/24
LAT...LON 4305 8887 4305 8876 4300 8876 4295 8876
4295 8887 4301 8887
WIC055-242200-
/O.CON.KMKX.FL.W.0017.000000T0000Z-260426T1200Z/
/WATW3.1.ER.260415T1136Z.260415T1515Z.260426T0600Z.NO/
450 AM CDT FRI APR 24 2026
..FLOOD WARNING REMAINS IN EFFECT UNTIL SUNDAY MORNING
* WHAT...MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* WHERE...ROCK RIVER AT WATERTOWN.
* WHEN...UNTIL SUNDAY MORNING.
* IMPACTS...AT 5.5 FEET, THERE IS WIDESPREAD LOWLAND FLOODING IN
RURAL AREAS AROUND WATERTOWN. ABOUT 6 MILES UPSTREAM NEAR IXONIA,
WAYSIDE PARK ALONG HIGHWAY 16 AND KANOW PARK ARE FLOODED AND ROCK
RIVER ROAD IS IMPACTED.
* ADDITIONAL DETAILS...
- AT 4:00 AM CDT FRIDAY THE STAGE WAS 5.6 FEET.
- BANKFULL STAGE IS 4.0 FEET.
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS
ENDING AT 4:00 AM CDT FRIDAY WAS 5.7 FEET.
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST OF 5.6
FEET THIS MORNING. IT WILL THEN FALL BELOW FLOOD STAGE EARLY
SUNDAY MORNING.
- FLOOD STAGE IS 5.5 FEET.
- FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF
5.6 FEET ON 07/22/2010.
- 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 AM...
LOCATION STAGE STAGE STAGE/TIME SAT SUN MON TUE
WATERTOWN 5.5 4.0 5.59 4 AM 4/24 5.6 5.4 5.2 5.0
- 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
WATERTOWN 5.76 12 PM 4/18 -0.09 5.60 7 AM 4/25
LAT...LON 4323 8873 4313 8857 4310 8861 4315 8870
4314 8873 4309 8874 4313 8884
WIC027-242200-
/O.CON.KMKX.FL.W.0014.000000T0000Z-000000T0000Z/
/LEBW3.2.ER.260414T2345Z.260420T0815Z.000000T0000Z.UU/
450 AM CDT FRI APR 24 2026
..FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE
* WHAT...MINOR FLOODING IS OCCURRING.
* WHERE...ROCK RIVER NEAR LEBANON-3 E-HWY MM BRIDGE.
* WHEN...UNTIL FURTHER NOTICE.
* ADDITIONAL DETAILS...
- AT 4:00 AM CDT FRIDAY THE STAGE WAS 11.4 FEET.
- BANKFULL STAGE IS 9.0 FEET.
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS
ENDING AT 4:00 AM CDT FRIDAY WAS 11.5 FEET.
- FORECAST...NO FORECAST IS AVAILABLE FOR THIS LOCATION.
- FLOOD STAGE IS 10.0 FEET.
- FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF
11.4 FEET ON 04/11/2016.
- 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 5 PM...
LOCATION STAGE STAGE STAGE/TIME THU FRI SAT SUN
LEBANON-3 E-HWY 10.0 9.0 11.39 4 AM 4/24 NOT A FORECAST POINT
- 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
LEBANON-3 E-HWY 12.02 11 AM 4/20 -0.14 NOT AVAILABLE
LAT...LON 4329 8861 4329 8855 4325 8853 4318 8853
4318 8859 4325 8861
HEEREN
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