270
WWUS86 KSEW 222037
RFWSEW

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

WAZ658-659-230445-
/O.UPG.KSEW.FW.A.0002.250823T1800Z-250825T0300Z/
/O.NEW.KSEW.FW.W.0002.250823T1200Z-250825T0400Z/
/O.NEW.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-
137 PM PDT Fri Aug 22 2025

...RED FLAG WARNING 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 IN EFFECT FROM MONDAY AFTERNOON THROUGH
TUESDAY EVENING FOR HOT, DRY AND UNSTABLE CONDITIONS FOR FIRE
WEATHER ZONES 658 AND 659...

The National Weather Service in Seattle has issued a Red Flag
Warning for hot, dry and unstable conditions, which is in effect
from 5 AM Saturday to 9 PM PDT Sunday. A new Fire Weather Watch
has also been issued, which is in effect from Monday afternoon
through Tuesday evening. Hot, dry, and unstable conditions may
continue into Monday and Tuesday.

* 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.

* 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.

&&

$$

WAZ661-230445-
/O.UPG.KSEW.FW.A.0002.250823T1800Z-250824T0400Z/
/O.NEW.KSEW.FW.W.0002.250823T1200Z-250825T0400Z/
East Portion of the Olympic Mountains-
137 PM PDT Fri Aug 22 2025

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

The National Weather Service in Seattle has issued a Red Flag
Warning for hot, dry and unstable conditions, which is in effect
from 5 AM Saturday to 9 PM PDT Sunday. The Fire Weather Watch is
no longer in effect.

* 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.

* 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.

&&

$$