338
WWUS86 KSEW 161242
RFWSEW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Seattle WA
542 AM PDT Wed Jul 16 2025

WAZ658-659-162045-
/O.CON.KSEW.FW.W.0001.250716T1800Z-250717T0600Z/
West Slopes of the North Cascades Generally above 1500 Feet-
West Slopes of the Central Cascades Generally above 1500 Feet-
542 AM PDT Wed Jul 16 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM PDT THIS 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.

* WINDS...Light becoming west 5 to 10 mph.

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

* TEMPERATURES...Up to 95.

* IMPACTS...A combination of low relative humidity, unstable
  airmass, and warm temperatures can contribute to rapid rates
  of spread and down- wind spotting on existing fires. If a fire
  were to begin, air quality may diminish in the surrounding
  area.

* 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.

&&

$$