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FNUS76 KOTX 021836
FWSOTX

Spot Forecast for Swimptkin...WA-CAC
National Weather Service Spokane WA
1036 AM PST Mon Nov 2 2026

Forecast is based on ignition time of 1000 PST on November 02.
.DISCUSSION...

Monday will be dry with high clouds increasing in the late
morning resulting in filtered sunshine over the project. No precip
is expected over the area. Ventilation will be low through
Wednesday due to light transport winds and low afternoon mixing
heights. Ventilation increases to moderate on Thursday.

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).
***************************************************************

.TODAY...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 40-45.
Min humidity........62-67 percent.
Wind (20 ft)........East-southeast around 4 to 8 mph in the
                    afternoon.
Mixing height.......1500 ft AGL around 1300. Becoming 500 ft AGL
                    around 1700. Inversion sets in around 1700.
Transport winds.....South 6 to 10 mph.
Ventilation Index...Low (136).

.TONIGHT...

Sky/weather.........Mostly cloudy.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 30-35.
Max humidity........85-90 percent. Excellent recovery.
Wind (20 ft)........Light winds.
Mixing height.......500 ft AGL. Falling to near surface around
                    2000.
Transport winds.....Southeast 6 to 7 mph. Becoming Northeast 8 to
                    12 mph after 0100.
Ventilation Index...Low (28).

.TUESDAY...

Sky/weather.........Partly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 43-48.
Min humidity........60-65 percent.
Wind (20 ft)........South 3 to 6 mph in the morning. Becoming northeast
                    3 to 6 mph around 1600.
Mixing height.......700 ft AGL around 0900. Inversion breaks around
                    0900. Becoming 2000 ft AGL around 1400.
Transport winds.....South around 5 to 10 mph in the morning becoming
                    southwest 5 to 10 mph around 1100.
Ventilation Index...Low (71).

$$
Forecaster...JCLEV
Requested by...Dennis Ranalla
Type of request...PRESCRIBED
.TAG 2625065.0/OTX
.DELDT 11/02/26
.FormatterVersion 2.0.0
.EMAIL twila.leith-monaghan.mtf@colvilletribes.com