Flash Flood Watch
Issued by NWS Riverton, WY

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6
764
WGUS65 KRIW 171633
FFARIW

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Riverton WY
1033 AM MDT Fri Jul 17 2026

WYZ001-180400-
/O.EXA.KRIW.FA.A.0002.260717T1800Z-260718T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Yellowstone National Park-
Including the cities of Lake, Old Faithful, and Mammoth
1033 AM MDT Fri Jul 17 2026

...FLOOD WATCH IN EFFECT UNTIL 10 PM MDT THIS EVENING...

* WHAT...Flooding caused by excessive rainfall continues to be
  possible.

* WHERE...A portion of northwest Wyoming, including the following
  area, Yellowstone National Park.

* WHEN...Until 10 PM MDT this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
  - Heavy rainfall from slow moving showers and thunderstorms may
    bring local flooding.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

$$

WYZ002>005-007-180400-
/O.CON.KRIW.FA.A.0002.260717T1800Z-260718T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Absaroka Mountains-Cody Foothills-North Bighorn Basin-Southwest
Bighorn Basin-Owl Creek and Bridger Mountains-
Including the cities of Cody, Lovell, Clark, Shell, Meeteetse,
Greybull, Thermopolis, Powell, and Basin
1033 AM MDT Fri Jul 17 2026

...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING...

* WHAT...Flooding caused by excessive rainfall continues to be
  possible.

* WHERE...Portions of central and northwest Wyoming, including the
  following areas, in central Wyoming, Owl Creek and Bridger
  Mountains and Southwest Bighorn Basin. In northwest Wyoming,
  Absaroka Mountains, Cody Foothills and North Bighorn Basin.

* WHEN...Until 10 PM MDT this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
  - Heavy rainfall from slow moving showers and thunderstorms may
    bring local flooding.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

$$

Straub