WWA Summary for Fire Weather Watch

Fire Weather Watch

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
547 AM PDT Wed Sep 24 2025

...VIGOROUS DRY COLD FRONT PASSAGE ON THURSDAY...

.A dry cold front will sweep across the Inland Northwest Thursday
afternoon and evening. Winds will increase through the day with
gusty westerly winds by the afternoon. Winds will see a shift
from west-southwest to west-northwest across north central
Washington late afternoon to early evening. Winds will remain
gusty along the east slopes of the central Cascade Mountains
through Thursday night with dry air mixing down and fair to poor
relative humidity recovery on mid slopes and ridge tops.

WAZ697-698-703>709-250200-
/O.CON.KOTX.FW.A.0012.250925T2000Z-250926T0600Z/
East Portion of North Cascades National Park/Lake Chelan National
Recreation Area (Zone 697)-
East Washington North Cascades (Zone 698)-
Okanogan Valley (Zone 703)-Methow Valley (Zone 704)-
Foothills of Central Washington Cascades (Zone 705)-
Waterville Plateau (Zone 706)-Western Columbia Basin (Zone 707)-
Eastern Columbia Basin - Palouse - Spokane Area (Zone 708)-
Lower Palouse - Snake River (Zone 709)-
547 AM PDT Wed Sep 24 2025

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 697, 698, 703, 704, 705, 706, 707, 708, AND
709...

* Affected Area: East Portion of North Cascades National
  Park/Lake Chelan National Recreation Area (Zone 697), East
  Washington North Cascades (Zone 698), Okanogan Valley (Zone
  703), Methow Valley (Zone 704), Foothills of Central
  Washington Cascades (Zone 705), Waterville Plateau (Zone 706),
  Western Columbia Basin (Zone 707), Eastern Columbia Basin  -
  Palouse  -Spokane Area (Zone 708) and Lower Palouse  -Snake
  River (Zone 709).

* Winds: West 12 to 18 mph with gusts up to 25 to 30 mph. Exposed
  ridges along the east slopes of the Cascades to the Waterville
  Plateau will see west winds 15 to 25 mph with gusts up to 35 to
  40 mph.

* Relative Humidities: 12 to 19 percent at lower elevations below
  3000 feet and 19 to 28 percent in the higher terrain above 3000
  feet.

* Impacts: Rapid fire spread for any new or ongoing fires.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
547 AM PDT Wed Sep 24 2025

...VIGOROUS DRY COLD FRONT PASSAGE ON THURSDAY...

.A dry cold front will sweep across the Inland Northwest Thursday
afternoon and evening. Winds will increase through the day with
gusty westerly winds by the afternoon. Winds will see a shift
from west-southwest to west-northwest across north central
Washington late afternoon to early evening. Winds will remain
gusty along the east slopes of the central Cascade Mountains
through Thursday night with dry air mixing down and fair to poor
relative humidity recovery on mid slopes and ridge tops.

WAZ696-250200-
/O.CON.KOTX.FW.A.0012.250925T2000Z-250926T1600Z/
East Washington Central Cascades (Zone 696)-
547 AM PDT Wed Sep 24 2025

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONE 696...

* Affected Area: East Washington Central Cascades (Zone 696).

* Winds: West-Northwest 10 to 15 mph with gusts up to 25 mph in
  the valleys and 15 to 25 mph with gusts up to 35 mph in the
  mountains.

* Relative Humidities: 18 to 26 percent in the valleys at
  elevations below 3000 feet and 24 to 36 percent over the higher
  terrain above 3000 feet.

* Impacts: Rapid fire spread for any new or ongoing fires.

* Additional Details: Poor relative humidity recovery at mid
  slopes and ridge tops Thursday night into Friday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pendleton OR
158 AM PDT Wed Sep 24 2025

...DRY AND WINDY CONDITIONS EXPECTED THROUGH THE CASCADE GAPS ON
THURSDAY...

.A dry cold front is expected to pass through the Pacific
Northwest on Thursday. This, combined with the recent warming
trend in temperatures, will make for dry and windy conditions,
especially through the Cascade Gaps, such as the Kittitas Valley
and the east slopes south into Oregon. These dry and windy
conditions may increase the risk of wildfire spread.

ORZ691-703-WAZ690-242200-
/O.NEW.KPDT.FW.A.0012.250925T2000Z-250926T0600Z/
Lower Columbia Basin of Oregon-Warm Springs Reservation-
Kittitas Valley-
158 AM PDT Wed Sep 24 2025

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES OR691, OR703, AND WA690...

The National Weather Service in Pendleton has issued a Fire
Weather Watch for wind and low relative humidity, which is in
effect from Thursday afternoon through Thursday evening.

* AFFECTED AREA...Fire Weather Zones 690 Kittitas Valley, 691
  Lower Columbia Basin of Oregon and 703 Warm Springs
  Reservation.

* TIMING...From Thursday afternoon through Thursday evening.

* WINDS...West 10 to 20 mph with gusts up to 30 mph.

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

* IMPACTS...Any fire that develops will catch and spread
  quickly. Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$