Red Flag Warning
Issued by NWS Seattle/Tacoma, WA

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WWUS86 KSEW 230303
RFWSEW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Seattle WA
803 PM PDT Fri Aug 22 2025

WAZ658-659-231115-
/O.CON.KSEW.FW.W.0002.250823T1200Z-250825T0400Z/
/O.CON.KSEW.FW.A.0003.250825T1900Z-250827T0400Z/
West Slopes of the North Cascades Generally above 1500 Feet-
West Slopes of the Central Cascades Generally above 1500 Feet-
803 PM PDT Fri Aug 22 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM 5 AM SATURDAY TO 9 PM
PDT SUNDAY FOR HOT, DRY AND UNSTABLE CONDITIONS FOR FIRE WEATHER
ZONES 658 AND 659...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH TUESDAY EVENING FOR HOT, DRY AND UNSTABLE CONDITIONS FOR
FIRE WEATHER ZONES 658 AND 659...

* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North
  Cascades Generally above 1500 Feet and Fire Weather Zone 659
  West Slopes of the Central Cascades Generally above 1500 Feet.

* RELATIVE HUMIDITY...As low as 15 to 25 percent.

* TEMPERATURES...Up to 90 to 100 degrees.

* STABILITY...Unstable conditions can be expected.

* IMPACTS...A dry and unstable air mass with warm temperatures can
  contribute to active fire behavior. In western Washington,
  significant growth on existing fires takes place under such
  conditions. If a fire were to begin, air quality may diminish in
  the surrounding area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either imminent or occurring now. Any fires that develop will
likely spread quickly. Outdoor burning is not recommended.

A Fire Weather Watch means that there is a potential for critical
fire weather conditions to develop. Monitor the forecasts for
possible Red Flag Warnings.

&&

$$

WAZ661-231115-
/O.CON.KSEW.FW.W.0002.250823T1200Z-250825T0400Z/
East Portion of the Olympic Mountains-
803 PM PDT Fri Aug 22 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM 5 AM SATURDAY TO 9 PM
PDT SUNDAY FOR HOT, DRY AND UNSTABLE CONDITIONS FOR FIRE WEATHER
ZONE 661...

* AFFECTED AREA...Fire Weather Zone 661 East Portion of the
  Olympic Mountains.

* RELATIVE HUMIDITY...As low as 20 to 25 percent.

* TEMPERATURES...Up to 90 degrees

* STABILITY...Unstable conditions can be expected.

* IMPACTS...A dry and unstable air mass with warm temperatures can
  contribute to active fire behavior. In western Washington,
  significant growth on existing fires takes place under such
  conditions. If a fire were to begin, air quality may diminish in
  the surrounding area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either imminent or occurring now. Any fires that develop will
likely spread quickly. Outdoor burning is not recommended.

&&

$$

HPR