467
WGUS86 KPDT 092209
FLSPDT

Flood Statement
National Weather Service Pendleton OR
209 PM PST Tue Dec 9 2025

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

  Yakima River at Umtanum affecting Kittitas County.

  Yakima River at Horlick affecting Kittitas County.

  Yakima River at Kiona affecting Benton County.

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

  Yakima River near Parker affecting Yakima County.

For the Yakima River...including Horlick, Umtanum, Parker, Kiona...
Moderate flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

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

Additional information is available at www.weather.gov/pdt.

&&

WAC037-110000-
/O.EXT.KPDT.FL.W.0009.000000T0000Z-000000T0000Z/
/UMTW1.1.ER.251209T2315Z.251211T1200Z.251212T1553Z.NO/
209 PM PST Tue Dec 9 2025

...FLOOD WARNING NOW IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is forecast.

* WHERE...Yakima River at Umtanum.

* WHEN...Until further notice.

* IMPACTS...At 36.5 feet, There will be flooding in pastures along
  the river.


* ADDITIONAL DETAILS...
  - At 1:15 PM PST Tuesday the stage was 34.9 feet.
  - Bankfull stage is 33.5 feet.
  - Forecast...The river will rise above flood stage to 35.7 feet
    late this afternoon. It will then fall below flood stage just
    after midnight tonight to 35.3 feet late tonight. It will
    rise above flood stage again early tomorrow afternoon to 37.0
    feet early Thursday morning. It will then fall below flood
    stage again Friday morning to 32.6 feet late Monday evening.
    It will then rise again but remain below flood stage.
  - Flood stage is 35.5 feet.
  - Flood History...This crest compares to a previous crest of
    37.1 feet on 11/23/1959.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4701 12058 4696 12050 4689 12048 4687 12046
      4685 12048 4685 12050 4689 12051 4693 12053
      4698 12060


$$

WAC037-110000-
/O.EXT.KPDT.FL.W.0006.000000T0000Z-000000T0000Z/
/HLKW1.2.ER.251209T1317Z.251211T1200Z.251212T0431Z.UU/
209 PM PST Tue Dec 9 2025

...FLOOD WARNING NOW IN EFFECT UNTIL FURTHER NOTICE...

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

* WHERE...Yakima River at Horlick.

* WHEN...Until further notice.

* ADDITIONAL DETAILS...
  - At 1:30 PM PST Tuesday the stage was 36.2 feet.
  - Bankfull stage is 35.5 feet
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 1:30 PM PST Tuesday was 37.0 feet.
  - Forecast...The river will rise to 36.8 feet late this
    afternoon. It will then fall below flood stage this evening
    to 34.9 feet late tomorrow morning. It will rise above flood
    stage tomorrow afternoon to 37.1 feet early Thursday morning.
    It will then fall below flood stage again Thursday evening to
    31.0 feet Monday afternoon. It will then rise again but
    remain below flood stage.
  - Flood stage is 36.0 feet.
  - Flood History...This crest compares to a previous crest of
    37.0 feet on 01/17/2011.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4720 12095 4717 12080 4714 12077 4712 12072
      4710 12074 4713 12081 4716 12086 4717 12092
      4718 12097


$$

WAC005-110000-
/O.EXT.KPDT.FL.W.0007.251211T1724Z-000000T0000Z/
/KIOW1.2.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
209 PM PST Tue Dec 9 2025

...FLOOD WARNING NOW IN EFFECT FROM THURSDAY MORNING UNTIL FURTHER
NOTICE...

* WHAT...Moderate flooding is forecast.

* WHERE...Yakima River at Kiona.

* WHEN...From Thursday morning until further notice.

* IMPACTS...At 16.0 feet, There will be flooding of in the RV Park
  in Benton City along the river.  There will extensive flooding in
  the West Richland area from Twin Bridge to the Columbia River,
  including the West Richland Golf Course and along Kingston...Hyde
  and Jones roads.




* ADDITIONAL DETAILS...
  - At 1:30 PM PST Tuesday the stage was 6.4 feet.
  - Bankfull stage is 11.0 feet.
  - Forecast...The river is expected to rise above flood stage
    late Thursday morning to a crest of 15.4 feet early Saturday
    morning. It will then fall below flood stage early Monday
    morning.
  - Flood stage is 13.0 feet.
  - Flood History...This crest compares to a previous crest of
    15.3 feet on 05/18/2011.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4628 11950 4633 11951 4639 11944 4637 11938
      4629 11931 4626 11928 4624 11930 4630 11937
      4636 11943 4633 11947 4627 11946 4624 11949
      4626 11952


$$

WAC077-110000-
/O.CON.KPDT.FL.W.0008.000000T0000Z-000000T0000Z/
/PARW1.2.ER.251209T2337Z.251212T0000Z.251213T0656Z.NO/
209 PM PST Tue Dec 9 2025

...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Moderate flooding is forecast.

* WHERE...Yakima River near Parker.

* WHEN...Until further notice.

* IMPACTS...At 12.0 feet, There will be flooding of farmland and
  county roads.  Some homes and farm buildings will be flooded and
  there will be significant riverbank and topsoil erosion.



* ADDITIONAL DETAILS...
  - At 1:00 PM PST Tuesday the stage was 9.1 feet.
  - Bankfull stage is 9.4 feet.
  - Forecast...The river will rise above flood stage late this
    afternoon to 11.0 feet late tonight. It will then fall late
    tomorrow morning. It will rise to 12.4 feet Thursday
    afternoon. It will then fall below flood stage late Friday
    evening to 7.1 feet late Monday evening. It will then rise
    again but remain below flood stage.
  - Flood stage is 10.0 feet.
  - Flood History...This crest compares to a previous crest of
    12.2 feet on 01/18/2011.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4664 12051 4660 12046 4655 12044 4652 12045
      4648 12040 4647 12038 4645 12041 4651 12050
      4655 12050 4660 12050 4662 12053


$$

LN