287
FNUS76 KOTX 201303
FWSOTX

Spot Forecast for Camas RX...Washington DNR
National Weather Service Spokane WA
603 AM PDT Sun Sep 20 2026

Forecast is based on ignition time of 0800 PDT on September 20.
.DISCUSSION...

Dry, mild conditions, with light winds increasing slightly this
afternoon. Similar conditions Monday, but with increasing clouds
later in the day and lighter winds. A cooling trend starts Tuesday.

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.........Sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....75-80.
Min humidity........27-33 percent.
Wind (20 ft)........Southeast winds 3 to 6 mph in the morning...
                    increasing to 6 to 11 mph in the afternoon.
Mixing height.......4500 ft AGL in the afternoon.
Transport winds.....Light winds becoming south around 7 mph in the
                    afternoon.
Ventilation Index...Moderate (272).

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 55.
Max humidity........54-63 percent.
Wind (20 ft)........South-southwest 3 to 7 mph...becoming
                    west overnight.
Mixing height.......1500 ft AGL.
Transport winds.....South around 6 mph shifting to the west around
                    5 mph overnight.
Ventilation Index...Low (62).

.MONDAY...

Sky/weather.........Sunny then becoming partly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....76-82.
Min humidity........28-34 percent.
Wind (20 ft)........West 2 to 4 mph in the morning....
                    increasing to 3 to 7 mph the afternoon.
Mixing height.......2500 ft AGL in the afternoon.
Transport winds.....West 5 to 7 mph.
Ventilation Index...Low (96) increasing to moderate (392) in the
                    afternoon.

$$
Forecaster...MSC
Requested by...Steven Reptsis
Type of request...PRESCRIBED
.TAG 2622173.0/OTX
.DELDT 09/20/26
.FormatterVersion 2.0.0
.EMAIL nicholas.gale@dnr.wa.gov,bryan.lyle@dnr.wa.gov,steven.reptsis@dnr.wa.gov,walter.escobar@dnr.wa.gov,nolan.brewer@dnr.wa.gov