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FNUS76 KOTX 302303
FWSOTX

Spot Forecast for Grande Fire...NE WA IMT #1
National Weather Service Spokane WA
403 PM PDT Sat Aug 30 2025

Forecast is based on forecast start time of 1600 PDT on August 30.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

* Disregard: Duplicate to previous Grande Fire spot. *

A low pressure system off the coast will send mid level moisture
into the area on Sunday. Dry weather is expected Sunday and Sunday
Night although increased instability will bring a 5 percent
chance of a sprinkle or isolated thunderstorm. A strengthening
ridge will bring a warming and drying trend Monday through the
week, including poor humidity recovery each night.

.TONIGHT...

Sky/weather.........Partly cloudy. Haze.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 63.
Max humidity........38 percent.
Wind (20 ft)........South winds 3 to 8 mph shifting to the northeast
                    2 to 4 mph overnight.
Mixing height.......5500 ft AGL falling to near surface by 2000 PDT.
Transport winds.....South 5 to 10 mph shifting to the east around
                    5 mph overnight.

.SUNDAY...

Sky/weather.........Partly cloudy. Haze through the day. A 20 percent
                    chance of a sprinkle, a 5 percent chance of a
                    thunderstorm.
CWR.................2 percent.
Chance of lightning.5 percent.
Max temperature.....Around 84.
Min humidity........22 percent.
Wind (20 ft)........East winds 2 to 6 mph shifting to the
                    southeast 4 to 8 mph in the afternoon.
Mixing height.......Near surface through 0900 increasing to 11000
                    ft AGL in the afternoon.
Transport winds.....East around 5 mph shifting to the south in the
                    5 to 10 mph in the afternoon.

.SUNDAY NIGHT...

Sky/weather.........Partly cloudy. A 20 percent chance of a sprinkle.
                    A 5 percent chance of a thunderstorm.
CWR.................2 percent.
Chance of lightning.5 percent.
Min temperature.....Around 66.
Max humidity........41 percent.
Wind (20 ft)........Southeast wind 4 to 8 mph in the evening
                    shifting to northeast 3 to 6 mph overnight.
Mixing height.......7000 ft AGL falling to near surface by 2000.
Transport winds.....East 5 to 10 mph.

$$
Forecaster...JCLEV
Requested by...Jessica Walston
Type of request...WILDFIRE
.TAG 2520874.5/OTX
.DELDT 08/30/25
.FormatterVersion 2.0.0
.EMAIL 2025.grande@firenet.gov,jessica.walston@dnr.wa.gov,eric.krausz@dnr.wa.gov