Alert archive / Wisconsin / River Flood Warnings in 2026

River Flood Warning 21, NWS La Crosse, WI

April 14, 2026Buffalo County, Trempealeau County, Wisconsin

NWS La Crosse, WI issued this river flood warning at Apr 14, 2026, 5:40 AM CDT for Buffalo County, Trempealeau County, Wisconsin. It took effect at Apr 14, 2026, 4:00 PM CDT. It was in force for 39 hr.

The area

The outline as issued.

The facts

Issued: Apr 14, 2026, 5:40 AM CDT (10:40 UTC)
In effect from: Apr 14, 2026, 4:00 PM CDT
Expired: Apr 16, 2026, 7:00 AM CDT
In force: 39 hr
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Flood severity: Minor

Counties Buffalo County, WI, Trempealeau County, WI

The radar

The La Crosse radar (KARX), 55 km from the middle of the area, began a volume at 10:42 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Trempealeau River at Arcadia (ARCW3). The gauge peaked at 7.53 ft at Apr 15, 2026, 12:00 PM CDT.

Action stage: 6 ft
Minor stage: 8 ft
Moderate stage: 9 ft
Major stage: 10 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05379400, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

325 
WGUS43 KARX 141040
FLWARX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service La Crosse WI
540 AM CDT Tue Apr 14 2026

...The National Weather Service in La Crosse WI has issued a Flood 
Warning for the following rivers in Wisconsin...

  Trempealeau River at Arcadia affecting Trempealeau and Buffalo 
  Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional river and weather information is available at 
www.weather.gov/lacrosse.

The next statement will be issued this evening by 845 PM CDT.

&&

WIC011-121-150145-
/O.NEW.KARX.FL.W.0021.260414T2100Z-260416T1200Z/
/ARCW3.1.ER.260414T2100Z.260415T1200Z.260416T0000Z.NR/
540 AM CDT Tue Apr 14 2026

...FLOOD WARNING IN EFFECT FROM THIS AFTERNOON TO THURSDAY MORNING...

* WHAT...Minor flooding is forecast. This approaches the flood of 
  record.

* WHERE...Trempealeau River at Arcadia.

* WHEN...From this afternoon to Thursday morning.

* IMPACTS...At 8.0 feet, Minor flooding begins. A few streets are 
  affected by high water, and pumping operations begin.

* ADDITIONAL DETAILS...
  - At 5:00 AM CDT Tuesday the stage was 7.0 feet.
  - Bankfull stage is 6.0 feet.
  - Forecast...The river is expected to rise above flood stage
    late this afternoon to a crest of 8.3 feet tomorrow morning.
    It will then fall below flood stage tomorrow evening.
  - Flood stage is 8.0 feet.
  - Flood History...This crest compares to a previous crest of
    8.3 feet on 09/13/2019.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4423 9158 4432 9146 4432 9143 4426 9145
      4422 9158


$$

Skow

2 follow-up statements

599 
WGUS83 KARX 141604
FLSARX

Flood Statement
National Weather Service La Crosse WI
1104 AM CDT Tue Apr 14 2026

...The Flood Warning is extended for the following rivers in 
Wisconsin...

  Trempealeau River at Arcadia affecting Trempealeau and Buffalo 
  Counties.

.Minor flooding is expected along the Trempealeau River at Arcadia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional river and weather information is available at 
www.weather.gov/lacrosse.

The next statement will be issued Wednesday morning by 1115 AM CDT.

&&

WIC011-121-151615-
/O.EXT.KARX.FL.W.0021.260415T0400Z-260416T1200Z/
/ARCW3.1.ER.260415T0400Z.260415T1200Z.260416T0000Z.NR/
1104 AM CDT Tue Apr 14 2026

...FLOOD WARNING NOW IN EFFECT FROM THIS EVENING TO THURSDAY 
MORNING...

* WHAT...Minor flooding is forecast. This approaches the flood of 
  record.

* WHERE...Trempealeau River at Arcadia.

* WHEN...From this evening to Thursday morning.

* IMPACTS...At 8.0 feet, Minor flooding begins. A few streets are 
  affected by high water, and pumping operations begin.

* ADDITIONAL DETAILS...
  - At 10:00 AM CDT Tuesday the stage was 6.9 feet.
  - Bankfull stage is 6.0 feet.
  - Forecast...The river is expected to rise above flood stage
    late this evening to a crest of 8.2 feet tomorrow morning. It
    will then fall below flood stage tomorrow evening.
  - Flood stage is 8.0 feet.
  - Flood History...This crest compares to a previous crest of
    8.2 feet on 09/14/2019.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4423 9158 4432 9146 4432 9143 4426 9145
      4422 9158


$$

JSB

042 
WGUS83 KARX 150240
FLSARX

Flood Statement
National Weather Service La Crosse WI
940 PM CDT Tue Apr 14 2026

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

  Black River at Black River Falls affecting Jackson County.

  Black River Near Galesville affecting La Crosse and Trempealeau 
  Counties.

...The Flood Warning is extended for the following rivers in 
Wisconsin...

  Wisconsin River at Castle Rock Dam affecting Juneau and Adams 
  Counties.

  Yellow River at Necedah affecting Juneau County.

...The Flood Warning is cancelled for the following rivers in 
Wisconsin...

  Trempealeau River at Arcadia affecting Buffalo and Trempealeau 
  Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Caution is urged when walking near riverbanks.

Additional river and weather information is available at 
www.weather.gov/lacrosse.

The next statement will be issued this evening by 1045 PM CDT.

&&

WIC011-121-150345-
/O.CAN.KARX.FL.W.0021.260415T0400Z-260415T0240Z/
/ARCW3.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NR/
940 PM CDT Tue Apr 14 2026

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Trempealeau River at Arcadia.

* ADDITIONAL DETAILS...
  - At 9:00 PM CDT Tuesday the stage was 7.2 feet.
  - Bankfull stage is 6.0 feet.
  - Forecast...The river is expected to rise to a crest of 7.7
    feet Wednesday afternoon.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4423 9158 4432 9146 4432 9143 4426 9145
      4422 9158


$$

WIC053-151445-
/O.EXT.KARX.FL.W.0019.000000T0000Z-260416T0630Z/
/BRFW3.2.ER.260414T0655Z.260414T1830Z.260415T1830Z.NO/
940 PM CDT Tue Apr 14 2026

...FLOOD WARNING IN EFFECT UNTIL EARLY THURSDAY MORNING...

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

* WHERE...Black River at Black River Falls.

* WHEN...Until early Thursday morning.

* ADDITIONAL DETAILS...
  - At 9:00 PM CDT Tuesday the stage was 51.4 feet.
  - Bankfull stage is 43.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 9:00 PM CDT Tuesday was 53.2 feet.
  - Forecast...The river is expected to fall below flood stage
    early tomorrow afternoon and continue falling to 38.0 feet
    Tuesday, April 21.
  - Flood stage is 47.0 feet.
  - Flood History...This crest compares to a previous crest of
    51.4 feet on 05/18/2017.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4435 9075 4417 9088 4411 9097 4413 9100
      4437 9080


$$

WIC001-057-151445-
/O.EXT.KARX.FL.W.0017.000000T0000Z-260419T2216Z/
/CROW3.3.ER.260413T1814Z.260416T1200Z.260419T0416Z.NR/
940 PM CDT Tue Apr 14 2026

...FLOOD WARNING IN EFFECT UNTIL SUNDAY AFTERNOON...

* WHAT...Moderate flooding is occurring and major flooding is 
  forecast.

* WHERE...Wisconsin River at Castle Rock Dam.

* WHEN...Until Sunday afternoon.

* ADDITIONAL DETAILS...
  - At 9:10 PM CDT Tuesday the flow was 38,693.0 cfs.
  - Bankfull flow is 20,000.0 cfs.
  - Recent Activity...The maximum river flow in the 24 hours
    ending at 9:10 PM CDT Tuesday was 38,693.0 cfs.
  - Forecast...The river will oscillate above flood stage with a
    maximum value of 50,120.0 cfs Thursday morning. It will fall
    below flood stage late Saturday evening.
  - Flood flow is 30,000.0 cfs.
  - Flood History...This crest compares to a previous crest of
    45,647.0 cfs on 04/12/2011.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4392 9007 4402 9002 4402 8996 4377 8984
      4377 8990


$$

WIC063-121-151445-
/O.EXT.KARX.FL.W.0020.260415T1434Z-260418T1424Z/
/GALW3.2.ER.260415T1434Z.260416T1800Z.260418T0224Z.NO/
940 PM CDT Tue Apr 14 2026

...FLOOD WARNING IN EFFECT FROM WEDNESDAY MORNING TO LATE SATURDAY 
MORNING...

* WHAT...Moderate flooding is forecast.

* WHERE...Black River near Galesville.

* WHEN...From Wednesday morning to late Saturday morning.

* IMPACTS...At 12.0 feet, Flooding mainly impacts wildlands and 
  agricultural pasture land. The approaches on both ends of the 
  County Road VV bridge over the Black River in Jackson County may 
  begin to flood and the bridge gates may be closed.

* ADDITIONAL DETAILS...
  - At 9:00 PM CDT Tuesday the stage was 10.0 feet.
  - Bankfull stage is 10.0 feet.
  - Forecast...The river is expected to rise above flood stage
    late Wednesday morning.
  - Flood stage is 12.0 feet.
  - Flood History...This crest compares to a previous crest of
    13.4 feet on 05/20/2017.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4411 9097 4405 9127 4393 9135 4395 9138
      4407 9133 4413 9100


$$

WIC057-151445-
/O.EXT.KARX.FL.W.0018.260416T0036Z-260420T0800Z/
/NCAW3.3.ER.260416T0036Z.260417T1200Z.260419T1400Z.NR/
940 PM CDT Tue Apr 14 2026

...FLOOD WARNING IN EFFECT FROM WEDNESDAY EVENING TO EARLY MONDAY 
MORNING...

* WHAT...Major flooding is forecast.

* WHERE...Yellow River at Necedah.

* WHEN...From Wednesday evening to early Monday morning.

* ADDITIONAL DETAILS...
  - At 9:00 PM CDT Tuesday the stage was 14.5 feet.
  - Bankfull stage is 13.0 feet.
  - Forecast...The river is expected to rise above flood stage
    Wednesday evening.
  - Flood stage is 15.0 feet.
  - Flood History...This crest compares to a previous crest of
    18.4 feet on 09/25/2016.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4396 9003 4395 9006 4415 9014 4415 9009


$$

JAR

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 13, 7:34 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, Monroe	56 min
Apr 13, 7:37 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Clark	38 min
Apr 13, 8:28 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	32 min
Apr 13, 8:29 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, Juneau, Monroe	46 min
Apr 13, 8:49 PM CDT	Severe Thunderstorm Warning	ARX	Monroe	41 min
Apr 13, 9:08 PM CDT	Severe Thunderstorm Warning	ARX	Trempealeau	13 min
Apr 13, 9:31 PM CDT	River Flood Warning	ARX	Juneau	9 days
Apr 13, 9:41 PM CDT	River Flood Warning	ARX	Jackson	55 hr
Apr 13, 9:46 PM CDT	Special Weather Statement	ARX	Monroe	59 min
Apr 13, 10:04 PM CDT	Flash Flood Warning	ARX	Monroe	3 hr
Apr 13, 11:40 PM CDT	Severe Thunderstorm Warning	ARX	Grant, Richland	35 min
Apr 14, 4:16 AM CDT	Dense Fog Advisory	ARX	Buffalo, Clark, Jackson, Trempealeau	4 hr
Apr 14, 4:47 AM CDT	River Flood Warning	ARX	La Crosse, Trempealeau	5 days
Apr 14, 10:52 AM CDT	River Flood Watch	ARX	Buffalo, Trempealeau	18 hr
Apr 14, 4:17 PM CDT	Severe Thunderstorm Warning	ARX	La Crosse, Monroe, Vernon	43 min
Apr 14, 4:53 PM CDT	Severe Thunderstorm Warning Destructive damage threat	ARX	Monroe, Vernon	52 min
Apr 14, 5:12 PM CDT	Severe Thunderstorm Warning	ARX	Grant, Richland	48 min
Apr 14, 5:25 PM CDT	Severe Thunderstorm Warning	ARX	Juneau	50 min
Apr 14, 5:29 PM CDT	Severe Thunderstorm Warning	ARX	Grant	31 min
Apr 14, 5:29 PM CDT	Tornado Warning Tornado observed	ARX	Grant	26 min
Apr 14, 5:33 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, Monroe	42 min
Apr 14, 5:37 PM CDT	Tornado Warning	ARX	Juneau, Vernon	23 min
Apr 14, 5:54 PM CDT	Severe Thunderstorm Warning	ARX	Vernon	23 min
Apr 14, 5:55 PM CDT	Severe Thunderstorm Warning	ARX	Grant	35 min
Apr 14, 5:59 PM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	46 min
Apr 14, 6:05 PM CDT	Severe Thunderstorm Warning	ARX	Grant	40 min
Apr 14, 6:10 PM CDT	Tornado Warning	ARX	Adams	20 min
Apr 14, 6:43 PM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	25 min
Apr 14, 6:50 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Grant	25 min

Nearby

River Flood Warnings in Wisconsin, 2026 Every river flood warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.