Spot Forecast
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
402
FNUS76 KOTX 150010
FWSOTX
Spot Forecast for Camas...Washington DNR
National Weather Service Spokane WA
510 PM PDT Mon Sep 14 2026
Forecast is based on ignition time of 1700 PDT on September 15.
.DISCUSSION...
Cooler weather expected in and around the prescribed burn area
Tuesday. Light scattered rain showers are expected to develop in
the region beginning late Tuesday morning, and may occasionally
impact the prescribed burn area through Tuesday evening. With only
a 20% to 30% chance of rainfall amounts >0.05 inches, CWR amounts
are very low and thunderstorms are not expected. Dry weather
returns by Tuesday night and persists through Wednesday with
warming temperatures and lower humidity levels. Otherwise, winds
are expected to be light and variable Tuesday through Wednesday.
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).
***************************************************************
.6 PM TUESDAY...
Sky/weather.........Partly sunny to mostly cloudy. Slight chance of
rain showers.
CWR.................5 percent.
Chance of lightning.0 percent.
Max temperature.....Around 55 to 60.
Min humidity........65 to 70 percent.
Wind (20 ft)........Light northeasterly winds 3 mph or less.
Mixing height.......2500 ft AGL.
Transport winds.....Northeast around 7 mph.
Ventilation Index...Low (165).
.TUESDAY NIGHT...
Sky/weather.........Partly cloudy becoming mostly clear. Slight
chance of rain showers in the evening, mainly before
2300 hours.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 43.
Max humidity........73 to 78 percent.
Wind (20 ft)........Light variable winds becoming northwesterly late.
Mixing height.......500 ft AGL.
Transport winds.....Northwest around 6 mph.
Ventilation Index...Low (34).
.WEDNESDAY...
Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 67.
Min humidity........38 to 43 percent.
Wind (20 ft)........Light variable winds, becoming easterly by late
morning.
Mixing height.......3000 ft AGL increasing to 4000 ft AGL in the
afternoon.
Transport winds.....Northeast 6 to 7 mph.
Ventilation Index...Moderate (248).
$$
Forecaster...PP
Requested by...Bryan Lyle
Type of request...PRESCRIBED
.TAG 2621894.0/OTX
.DELDT 09/14/26
.FormatterVersion 2.0.0
.EMAIL bryan.lyle@dnr.wa.gov