001
WGUS65 KRIW 200810
FFARIW

Flood Watch
National Weather Service Riverton WY
210 AM MDT Sun Sep 20 2026

WYZ001>003-200915-
/O.CAN.KRIW.FA.A.0006.000000T0000Z-260921T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
Including the cities of Mammoth, Old Faithful, Cody, Clark, Lake, and
Meeteetse
210 AM MDT Sun Sep 20 2026

...FLOOD WATCH IS CANCELLED...

The Flood Watch is cancelled for a portion of northwest Wyoming,
including the following areas, Absaroka Mountains, Cody Foothills and
Yellowstone National Park. Heavy rain and flooding is now longer
expected.

Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.

$$

WYZ007>011-210000-
/O.CON.KRIW.FA.A.0006.000000T0000Z-260921T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Owl Creek and Bridger Mountains-Bighorn Mountains West-Bighorn
Mountains Southeast-Northeast Johnson County-Southeast Johnson
County-
Including the cities of Buffalo and Kaycee
210 AM MDT Sun Sep 20 2026

...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON...

* WHAT...Flash flooding caused by moderate to heavy rainfall is
  possible, especially in terrain and poor drainage areas.

* WHERE...Portions of central and north central Wyoming, including
  the following areas, in central Wyoming, Owl Creek and Bridger
  Mountains. In north central Wyoming, Bighorn Mountains Southeast,
  Bighorn Mountains West, Northeast Johnson County and Southeast
  Johnson County.

* WHEN...Through this afternoon.

* IMPACTS...Excessive rainfall may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.
  Flooding may occur in poor drainage and urban areas and around
  steep terrain.

* ADDITIONAL DETAILS...
  - A slow moving weather system will bring rounds of showers and
    thunderstorms to the region. Any shower or thunderstorm could
    produce moderate to heavy rainfall across the Watch Area.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$

Hattings