Flash Flood Watch
Issued by NWS Boise, ID

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WGUS65 KBOI 032038
FFABOI

Flood Watch
National Weather Service Boise ID
238 PM MDT Thu Sep 3 2026

IDZ013-050100-
/O.CON.KBOI.FF.A.0005.000000T0000Z-260905T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boise Mountains-
Including the cities of Anderson Dam, Prairie, and Pine
238 PM MDT Thu Sep 3 2026

...FLASH FLOOD WATCH FOR THE WAPITI BURN AREA REMAINS IN EFFECT
THROUGH FRIDAY EVENING...

* WHAT...Flash flooding and debris flows caused by excessive rainfall
  continue to be possible over the Wapiti Burn Area.

* WHERE...Wapiti Burn Area.

* WHEN...Through Friday evening.

* IMPACTS...Heavy rainfall over the Wapiti burn area is possible
  during the period of the watch. Be sure to stay up to date with
  information from local authorities. Heavy rainfall could trigger
  flash flooding or debris flows in and near recent wildfire burn
  scars.

* ADDITIONAL DETAILS...
  - Heavy rainfall is possible over the burn scar, which may lead to
    flash flooding and debris flows in Grandjean area.
  - https://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.

&&

$$

IDZ011-012-ORZ061-063-050100-
/O.CON.KBOI.FF.A.0005.260903T2100Z-260905T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
West Central Mountains-Lower Treasure Valley-Harney County-
Malheur County-
Including the cities of New Princeton, Bear, Malheur City, Caldwell,
Cascade, Dunnean, Venator, Ola, Big Creek, Cuprum, Warm Lake,
Diamond, Buchanan, Burns, Crane, Nampa, and McCall
238 PM MDT Thu Sep 3 2026 /138 PM PDT Thu Sep 3 2026/

...FLASH FLOOD WATCH FOR THE SECOND FLAT, BALD MOUNTAIN, EGYPT, FOX,
POWDER RIVER, TARTAR BURN SCAR REMAINS IN EFFECT THROUGH FRIDAY
EVENING...

* WHAT...Flash flooding and debris flows caused by excessive rainfall
  continue to be possible over the Second Flat, Bald Mountain, Egypt,
  Fox, Powder River, Tartar burn scars.

* WHERE...Second Flat, Bald Mountain, Egypt, Fox, Powder River, and
  Tartar burn scars.

* WHEN...Through Friday evening.

* IMPACTS...Heavy rainfall is possible during the period of the
  watch. Residents near the Second Flat, Bald Mountain, Egypt, Fox,
  Powder River, Tartar burn scars should prepare for potential debris
  flow. Be sure to stay up to date with information from local
  authorities. Heavy rainfall could trigger flash flooding or debris
  flows in and near recent wildfire burn scars.

* ADDITIONAL DETAILS...
  - Heavy rainfall possible over the burn scars, which may lead to
    flash flooding and debris flows.
  - https://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.

&&

$$

ORZ062-050100-
/O.CON.KBOI.FF.A.0005.260903T2100Z-260905T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Baker County-
Including the cities of Baker
138 PM PDT Thu Sep 3 2026

...FLASH FLOOD WATCH FOR THE ANTHONY BURN SCAR REMAINS IN EFFECT
THROUGH FRIDAY AFTERNOON...

* WHAT...Flash flooding and debris flows caused by excessive rainfall
  are possible over the Anthony burn area.

* WHERE...Anthony burn scar.

* WHEN...Through Friday afternoon.

* IMPACTS...Heavy rainfall is possible during the period of the
  watch. Residents near the Anthony burn scar should prepare for
  potential debris flow. Be sure to stay up to date with information
  from local authorities. Heavy rainfall could trigger flash flooding
  or debris flows in and near recent wildfire burn scars.

* ADDITIONAL DETAILS...
  - Heavy rainfall possible over the burn scar, which may lead to
    flash flooding and debris flows.
  - https://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.

&&

$$

KA