275
FNUS76 KOTX 031757
FWSOTX

Spot Forecast for Swimptkin...WA-CAC
National Weather Service Spokane WA
957 AM PST Tue Nov 3 2026

Forecast is based on ignition time of 1100 PST on November 03.

.DISCUSSION...

Winds are expected to be light and terrain driven less than 5 mph
through Wednesday.  Mid and high clouds will result in partly sunny
skies for Tuesday, with more sunshine expected on Wednesday. A
weak weather system passing through Wednesday Night will bring a
50 percent chance of light rain, but amounts are expected to be
.05 inches or less.

If conditions become unrepresentative, contact the National Weather
Service.
***************************************************************
Forecasts for 20 foot wind speeds (valleys and ridge tops) are
10 minute averages reflecting RAWS wind.
***Ventilation Index is derived from transport wind
   multiplied by the mixing height divided by 100.
   Categories: low (< 200), moderate (200-500),
   high (500-800), and very high (> 800).
***************************************************************

.REST OF TODAY...

Sky/weather.........Partly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....44-49.
Min humidity........48-58 percent.
Wind (20 ft)........Southwest 2 to 4 mph.
Mixing height.......Increasing to 1500 ft AGL in the afternoon.
Transport winds.....Southwest around 5 mph.
Ventilation Index...Low (82).

.TONIGHT...

Sky/weather.........Mostly cloudy then becoming partly cloudy.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 35.
Max humidity........85-95 percent.
Wind (20 ft)........Downslope/downvalley 1 to 3 mph.
Mixing height.......Near surface.
Transport winds.....Northeast less than 5 mph.
Ventilation Index...Low (27).

.WEDNESDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....44-49.
Min humidity........47-57 percent.
Wind (20 ft)........Downslope/downvalley 1 to 3 mph through 1000 then
                    shifting to southwest 2 to 4 mph.
Mixing height.......Near the surface through 1100 then increasing to
                    1500 ft AGL in the afternoon.
Transport winds.....Northeast less than 5 mph shifting to the southwest
                    around 7 mph in the afternoon.
Ventilation Index...Low (153).

$$
Forecaster...JW
Requested by...Dennis Ranalla
Type of request...PRESCRIBED
.TAG 2625145.0/OTX
.DELDT 11/03/26
.FormatterVersion 2.0.0
.EMAIL twila.leith-monaghan.mtf@colvilletribes.com