610
FNUS76 KOTX 010212
FWSOTX

Spot Forecast for Paulke RX...USWFS
National Weather Service Spokane WA
712 PM PDT Wed Sep 30 2026

Forecast is based on ignition time of 0600 PDT on October 01.
.DISCUSSION...

Weather will be stable with winds less than 10 mph Thursday and
Friday. On Thursday afternoon, a weak weather system will bring a
10 to 20 percent chance of light rain. Inversions will lift
between 0700-0900 each morning. Precip amounts will be up 0.01".

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

.THURSDAY...

Sky/weather.........Mostly sunny then becoming mostly cloudy. Areas
                    of frost in the morning. 10-20% chance of showers
                    after 1300.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 60-66.
Min humidity........30-35 percent.
Wind (20 ft)........West around 3 to 6 mph.
Mixing height.......2000 ft AGL around 1000 increasing to 3500 ft AGL
                    around 1500.
Transport winds.....West winds 3 to 6 mph around 0800 becoming south
                    around 5 to 10 mph around 1500.
Ventilation Index...Low (149).

.THURSDAY NIGHT...

Sky/weather.........Mostly cloudy.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 41.
Max humidity........89 percent. Good Recovery.
Wind (20 ft)........Light winds.
Mixing height.......1500 ft AGL around 1800 lowering to surface by
                    2000 with inversion.
Transport winds.....Light winds becoming south around 6 mph
                    overnight.
Ventilation Index...Low (38).

.FRIDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 68-73.
Min humidity........40-45 percent.
Wind (20 ft)........West around 4 to 8 mph.
Mixing height.......1000 ft AGL around 0900 increasing to 7500 ft AGL
                    around 1600. Inversion lifts around 0800.
Transport winds.....South around 5 to 10 mph mph shifting to the west
                    around 10 to 20 mph after 1100.
Ventilation Index...Moderate (275).

$$
Forecaster...JCLEV
Requested by...Ian Schlake
Type of request...PRESCRIBED
.TAG 2622891.0/OTX
.DELDT 09/30/26
.FormatterVersion 2.0.0
.EMAIL ian_schlake@fws.gov