646
FNUS76 KOTX 290121
FWSOTX

Spot Forecast for Martin...USFS
National Weather Service Spokane WA
621 PM PDT Thu Aug 28 2025

Forecast is based on forecast start time of 0500 PDT on August 29.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Showers and thunderstorms tracking northward from Leavenworth will
pass through the Martin fire area around 2100.  There is low confidence
this activity will hold together and most likely scenario is light showers
by the time it reaches the fire.  Drier air will begin working into the
area overnight.  It will be warmer and drier for Friday with cumulus
buildups in the afternoon and 15% chance for an afternoon shower or thunderstorm.
Saturday will be dry and warmer.

.REST OF TONIGHT...

Sky/weather.........Mostly cloudy with a 30% chance for showers and thunderstorms
                    before 2200 becoming mostly clear.
CWR.................5 percent.
Chance of lightning.5 percent.
Min temperature.....50.
Max humidity........75 percent.
Wind (20 ft)........Downslope 2 to 5 mph.
Mixing height.......Near surface.
Transport winds.....South around 5 mph.

.FRIDAY...

Sky/weather.........Sunny becoming partly cloudy with 15% chance for showers and
                    thunderstorms between 1300-1800.
CWR.................10 percent.
Chance of lightning.10 percent.
Max temperature.....67.
Min humidity........40 percent.
Wind (20 ft)........Light winds becoming southwest around 5 mph in
                    the afternoon.
Mixing height.......5000 ft AGL in the afternoon.
Transport winds.....Southwest 5 to 10 mph.

.FRIDAY NIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....46.
Max humidity........66 percent.
Wind (20 ft)........Southwest winds around 5 mph in the evening becoming
                    downslope 1 to 4 mph.
Mixing height.......4500 ft AGL falling to 0 ft AGL.
Transport winds.....West 5 to 8 mph.

$$
Forecaster...SB
Requested by...Mary Giddings
Type of request...WILDFIRE
.TAG 2520902.1/OTX
.DELDT 08/28/25
.FormatterVersion 2.0.0
.EMAIL Mary.giddings@usda.gov