509
WWUS86 KPQR 040356
RFWPQR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Portland OR
856 PM PDT Wed Sep 3 2025


ORZ689-690-040500-
/O.EXP.KPQR.FW.W.0006.000000T0000Z-250904T0400Z/
Northern Willamette National Forest-
Southern Willamette National Forest-
856 PM PDT Wed Sep 3 2025

...RED FLAG WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING FOR THUNDERSTORMS
FOR FIRE WEATHER ZONES 689 AND 690...

Showers remain, but the widespread thunderstorm threat has
decreased. Cannot rule out a thunderstorm or two along the
southern boarder of Fire Weather Zone 690, but threat continues to
ease. Even though thunderstorms may not be present, stronger
showers may produce outflow winds up to 20 mph.

$$

ORZ688-040500-
/O.EXP.KPQR.FW.W.0006.000000T0000Z-250904T0400Z/
Mt. Hood National Forest Region-
856 PM PDT Wed Sep 3 2025

...RED FLAG WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING FOR
THUNDERSTORMS FOR FIRE WEATHER ZONE 688...

Showers remain, but the widespread thunderstorm threat has
decreased. Cannot rule out a thunderstorm or two but threat
continues to ease overnight. Even though thunderstorms may not be
present, stronger showers may produce outflow winds up to 20 mph.


$$

WAZ634-635-040500-
/O.EXP.KPQR.FW.W.0006.000000T0000Z-250904T0400Z/
Southern Gifford Pinchot National Forest-
Mt. Adams Ranger District of the Gifford-Pinchot National Forest-
856 PM PDT Wed Sep 3 2025

...RED FLAG WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING FOR DRY
AND UNSTABLE CONDITIONS FOR FIRE WEATHER ZONES 634 AND 635...

Due to showers in the area increasing saturation and cloud cover,
the overall risk of intense instability has decreased. Localized
unstable conditions still possible, but those probabilities
decrease significantly overnight.

$$

For more information visit: https://www.weather.gov/portland