743
FNUS76 KOTX 102348
FWSOTX

Spot Forecast for Iron Creek...WA-CAC
National Weather Service Spokane WA
448 PM PDT Wed Jun 10 2026

Forecast is based on forecast start time of 1700 PDT on June 10.

.DISCUSSION...

A significant warming and drying trend will continue into the
weekend. Temperatures will warm into the low to mid 80s over
the weekend and into the upper 80s by Monday. This will set up
an extended period of drying with fair overnight relative
humidity recovery. Light winds and westerly in the afternoon
through Friday becoming upslope over the weekend.

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.........Mostly cloudy then clearing after 1900 PDT.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....65 between 1700 and 1800 PDT.
Min humidity........33-36 percent.
Wind (20 ft)........Northwest winds 4 to 7 mph.
Mixing height.......7000 ft AGL.
Transport winds.....Northwest 11 to 14 mph.
Ventilation Index...High (794).

.TONIGHT...

Sky/weather.........Clear.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 44.
Max humidity........69-73 percent.
Wind (20 ft)........Downslope winds 2 to 4 mph.
Mixing height.......5000 ft AGL decreasing to near surface after
                    2100 PDT.
Transport winds.....Northwest 8 to 12 mph in the evening
                    becoming downslope around 3 mph after
                    2100 PDT.
Ventilation Index...High (659) decreasing to low (26) overnight.

.THURSDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....71.
Min humidity........25-29 percent.
Wind (20 ft)........Light winds becoming west-northwest 5 to 7 mph
                    after 0900 PDT.
Mixing height.......Inversion lifting around 1000 PDT with mixing
                    height increasing to 7000 ft AGL by 1500 PDT.
Transport winds.....North around 3 mph in the morning shifting to
                    the southwest 8 to 12 mph after 1000 PDT.
Ventilation Index...Moderate (340) increasing to high (613) in the
                    afternoon.

$$
Forecaster...SVH
Requested by...IC Ratzlaff
Type of request...WILDFIRE
.TAG 2615333.0/OTX
.DELDT 06/10/26
.FormatterVersion 2.0.0
.EMAIL twila.leith-monaghan.mtf@colvilletribes.com