Alert archive / Missouri / River Flood Warnings in 2026

River Flood Warning 21, NWS Kansas City, MO

April 10, 2026Johnson County, Pettis County, Missouri

NWS Kansas City, MO issued this river flood warning at Apr 10, 2026, 3:31 PM CDT for Johnson County, Pettis County, Missouri. It was in force for 11 hr.

The area

The outline as issued.

The facts

Issued: Apr 10, 2026, 3:31 PM CDT (20:31 UTC)
Expired: Apr 11, 2026, 2:42 AM CDT
In force: 11 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: Minor

Counties Johnson County, MO, Pettis County, MO

The radar

The Pleasant Hill radar (KEAX), 64 km from the middle of the area, began a volume at 20:33 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 Blackwater River near Valley City (VLYM7). The gauge peaked at 23.15 ft at Apr 10, 2026, 7:00 PM CDT.

Action stage: 17 ft
Minor stage: 22 ft
Moderate stage: 25 ft
Major stage: 31 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06907700, 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.

885 
WGUS43 KEAX 102031
FLWEAX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Kansas City/Pleasant Hill MO
331 PM CDT Fri Apr 10 2026

...The National Weather Service in Pleasant Hill MO has issued a 
Flood Warning for the following rivers in Missouri...

  Blackwater River at Valley City affecting Johnson and Pettis 
  Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This product along with additional weather and stream information is 
available at www.weather.gov/kc/.

&&

MOC101-159-112045-
/O.NEW.KEAX.FL.W.0021.260410T2031Z-260412T0637Z/
/VLYM7.1.ER.260410T2026Z.260411T0000Z.260411T0636Z.NO/
331 PM CDT Fri Apr 10 2026

...FLOOD WARNING IN EFFECT FROM THIS AFTERNOON TO EARLY SUNDAY 
MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...Blackwater River at Valley City.

* WHEN...From this afternoon to early Sunday morning.

* IMPACTS...At 22.0 feet, Woodlands and farm fields along the river 
  begin to flood.
  At 25.0 feet, County Highway E near Valley City and Highway 23 
  near the Perry State Wildlife Area are under water.

* ADDITIONAL DETAILS...
  - At 3:00 PM CDT Friday the stage was 21.8 feet.
  - Forecast...The river is expected to rise to a crest of 23.3
    feet this evening. It will then fall below flood stage just
    after midnight tonight.
  - Flood stage is 22.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3894 9342 3882 9361 3882 9368 3891 9361
      3899 9348


$$

Macko

3 follow-up statements

833 
WGUS83 KEAX 102123
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
423 PM CDT Fri Apr 10 2026

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

  Blackwater River at Valley City affecting Johnson and Pettis 
  Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This product along with additional weather and stream information is 
available at www.weather.gov/kc/.

&&

MOC101-159-112130-
/O.EXT.KEAX.FL.W.0021.000000T0000Z-260412T0636Z/
/VLYM7.1.ER.260410T2026Z.260411T0000Z.260411T0636Z.NO/
423 PM CDT Fri Apr 10 2026

...FLOOD WARNING NOW IN EFFECT UNTIL EARLY SUNDAY MORNING...

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

* WHERE...Blackwater River at Valley City.

* WHEN...Until early Sunday morning.

* IMPACTS...At 22.0 feet, Woodlands and farm fields along the river 
  begin to flood.
  At 25.0 feet, County Highway E near Valley City and Highway 23 
  near the Perry State Wildlife Area are under water.

* ADDITIONAL DETAILS...
  - At 4:00 PM CDT Friday the stage was 22.5 feet.
  - Forecast...The river is expected to rise to a crest of 23.3
    feet this evening. It will then fall below flood stage just
    after midnight tonight.
  - Flood stage is 22.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3894 9342 3882 9361 3882 9368 3891 9361
      3899 9348


$$

Macko

889 
WGUS83 KEAX 110127
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
827 PM CDT Fri Apr 10 2026

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

  Blackwater River at Valley City affecting Johnson and Pettis 
  Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This product along with additional weather and stream information is 
available at www.weather.gov/kc/.

&&

MOC101-159-120130-
/O.EXT.KEAX.FL.W.0021.000000T0000Z-260412T0634Z/
/VLYM7.1.ER.260410T2026Z.260410T2315Z.260411T0634Z.NO/
827 PM CDT Fri Apr 10 2026

...FLOOD WARNING NOW IN EFFECT UNTIL EARLY SUNDAY MORNING...

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

* WHERE...Blackwater River at Valley City.

* WHEN...Until early Sunday morning.

* IMPACTS...At 22.0 feet, Woodlands and farm fields along the river 
  begin to flood.
  At 25.0 feet, County Highway E near Valley City and Highway 23 
  near the Perry State Wildlife Area are under water.

* ADDITIONAL DETAILS...
  - At 8:00 PM CDT Friday the stage was 23.0 feet.
  - Forecast...The river is expected to fall below flood stage
    just after midnight tonight and continue falling to 3.6 feet
    Wednesday evening.
  - Flood stage is 22.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3894 9342 3882 9361 3882 9368 3891 9361
      3899 9348


$$

Macko

019 
WGUS83 KEAX 110742 RRA
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
242 AM CDT Sat Apr 11 2026

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

  Blackwater River at Valley City affecting Pettis and Johnson 
  Counties.

MOC101-159-110845-
/O.CAN.KEAX.FL.W.0021.000000T0000Z-260411T0742Z/
/VLYM7.1.ER.260410T2026Z.260410T2315Z.260411T0404Z.NO/
242 AM CDT Sat Apr 11 2026

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Blackwater River at Valley City.

* ADDITIONAL DETAILS...
  - At 2:00 AM CDT Saturday the stage was 20.3 feet.
  - Forecast...The river is expected to fall to 3.6 feet
    Wednesday evening.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3894 9342 3882 9361 3882 9368 3891 9361
      3899 9348


$$

Curtis

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 9, 10:15 PM CDT	Special Weather Statement	EAX	Platte	30 min
Apr 9, 10:34 PM CDT	Severe Thunderstorm Warning	EAX	Platte	41 min
Apr 9, 10:54 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Clay, Clinton, Platte	38 min
Apr 9, 10:59 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Jackson, Platte	46 min
Apr 9, 11:38 PM CDT	Special Weather Statement	EAX	Lafayette	52 min
Apr 10, 8:26 AM CDT	River Flood Warning	EAX	Cass, Henry, Johnson	24 hr

Nearby

River Flood Warnings in Missouri, 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.