365
FNUS76 KOTX 010045
FWSOTX

Spot Forecast for Blackhawk Mountain & Crown Creek Fires...NE WA IMT #1
National Weather Service Spokane WA
545 PM PDT Sun Aug 31 2025

Forecast is based on forecast start time of 1800 PDT on August 31.
If conditions become unrepresentative...contact the National Weather
Service.

...RED FLAG WARNING IN EFFECT FROM 9 PM THIS EVENING TO 11 AM PDT
MONDAY...

.DISCUSSION...

Clouds will be clearing out early Monday morning with warm and dry
conditions settling in for the afternoon.  Winds on Monday will start
off light and increase slightly up the drainage as general winds align.
Wind speed and direction will be similar to what occurred Sunday.  Winds
will be lighter on Tuesday.  Temperatures will continue to warm Tuesday
into the week with low afternoon humidity.  Overnight humidity recoveries
within thermal belts above the valley floors.


.TONIGHT...

Sky/weather.........Mostly cloudy. Chance of sprinkles through the
                    evening.  30-40% chance for showers and thunderstorms
                    overnight mainly between 0100-0800. Areas of smoke.
CWR.................10 percent.
Chance of lightning.35 percent.
Min temperature.....1500-2500 feet: 55-59.  2500-4000 feet: 60-64.
Max humidity........35-45 percent mid to upper slopes.  60-70 percent
                    valley bottom.
Wind (20 ft)........Slope/Valley: Northeast winds around 5 mph becoming east to
                    southeast 2 to 4 mph 2000-2200.
                    Ridgetop: Northeast 6 mph becoming east 6 to 10 mph.
Mixing height.......7000 ft AGL early evening falling to near surface.
                    Inversions setting in around 2000 pdt.
Transport winds.....East 5 to 8 mph.

.LABOR DAY...

Sky/weather.........Partly cloudy in the morning becoming mostly
                    sunny. Slight chance of showers and thunderstorms
                    before 1000. Smoke and haze in the morning.
CWR.................2 percent.
Chance of lightning.5 percent.
Max temperature.....1500-2500 feet: 92-98. 2500-4000 feet: 85-92.
Min humidity........17-21 percent.
Wind (20 ft)........Slope/Valley: East 3 to 7 mph
                    Ridgetop: Southeast 4 to 9 mph.
Mixing height.......Near the surface through 0930 increasing to
                    9000 ft AGL in the afternoon.
Transport winds.....Northeast 5 to 10 mph shifting to the
                    southeast around 10 mph in the afternoon.



$$
Forecaster...SB
Requested by...Jessica Walston
Type of request...WILDFIRE
.TAG 2521003.2/OTX
.DELDT 08/31/25
.FormatterVersion 2.0.0
.EMAIL jessica.walston@dnr.wa.gov,2025.Grande@firenet.gov,eric.krausz@dnr.wa.gov