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FNUS76 KOTX 280356
FWSOTX

Spot Forecast for Grande Fire...NE WA IMT #1
National Weather Service Spokane WA
856 PM PDT Wed Aug 27 2025

Forecast is based on forecast start time of 0500 PDT on August 28.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Winds will be mostly southerly with gusts to 10 mph through early
Thursday morning before staying light through the rest of the
period. Cooler temperatures expected Thursday, with temperatures
dropping almost 10 degrees. Shower and thunderstorm chances
increase tomorrow, particularly in the afternoon. Thunderstorm
chances continue Friday afternoon and evening. Precip amounts
range from 0.05-0.13".

.THURSDAY...

Sky/weather.........Cloudy. Slight chance of showers through the
                    day. Slight chance of thunderstorms in the
                    afternoon.
CWR.................15 percent.
Chance of lightning.20 percent.
Max temperature.....Around 73.
Min humidity........48 percent.
Wind (20 ft)........South winds around 4 to 8 mph shifting to the
                    southeast 8 to 14 mph in the afternoon. Gusty
                    and erratic winds expected near thunderstorms
                    in the afternoon.
Mixing height.......Near surface increasing to 6000 ft AGL in the
                    afternoon.
Transport winds.....South 10 to 15 mph.

.THURSDAY NIGHT...

Sky/weather.........Mostly cloudy. Slight chance of showers and
                    thunderstorms in the evening.
CWR.................5 percent.
Chance of lightning.20 percent.
Min temperature.....Around 59.
Max humidity........72 percent.
Wind (20 ft)........Southeast winds around 3 to 6 mph shifting to
                    the east overnight. Gusty and erratic winds
                    expected near thunderstorms in the evening.
Mixing height.......500 ft AGL.
Transport winds.....Southeast around 5 mph in the evening becoming
                    light.

$$
Forecaster...JCLEV
Requested by...Jessica Walston
Type of request...WILDFIRE
.TAG 2520874.0/OTX
.DELDT 08/27/25
.FormatterVersion 2.0.0
.EMAIL jessica.walston@dnr.wa.gov