690
FNUS76 KOTX 220126
FWSOTX

Spot Forecast for Deer Creek...USFS
National Weather Service Spokane WA
626 PM PDT Tue Jul 21 2026

Forecast is based on forecast start time of 1800 PDT on July 21.
.DISCUSSION...

Hot and dry conditions are expected through Thursday, though
smoke from wildfires may result in temperatures being cooler than
forecast and relative humidity being wetter than forecast. Winds
will be from the north to northeast Wednesday morning and then
increase from the north-northwest Wednesday afternoon. Winds
become breezy out of the southwest on Thursday. There is a 25%
chance for thunderstorms Thursday afternoon and evening, which
will bring a risk for gusty outflow winds. Expect breezy west
winds around 10-15 mph with gusts up to 25-30 mph Friday and
Saturday with a passing weather system.

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

.WEDNESDAY...

Sky/weather.........Haze and patchy smoke.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....82.
Min humidity........25-30 percent.
Wind (20 ft)........North to northeast 3 to 5 mph in the morning
                    becoming north-northwest 5 to 9 mph after
                    1300 hours.
Mixing height.......7000 ft AGL in the afternoon.
Transport winds.....Northeast around 5 mph shifting to the
                    northwest around 7 mph in the afternoon.
Ventilation Index...Moderate (245) increasing to high (554) in the
                    afternoon.

.WEDNESDAY NIGHT...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....67.
Max humidity........44-49 percent.
Wind (20 ft)........North-northwest winds 5 to 9 mph shifting to
                    the south around 2 to 4 mph overnight.
Mixing height.......6500 ft AGL falling to 500 ft AGL.
Transport winds.....West around 6 mph shifting to the south around
                    7 mph overnight.
Ventilation Index...Moderate (457) decreasing to low (34)
                    overnight.

.THURSDAY...

Sky/weather.........Mostly sunny. 25% chance of showers and
                    thunderstorms in the afternoon.
CWR.................0 percent.
Chance of lightning.25 percent in the afternoon.
Max temperature.....82.
Min humidity........29-34 percent.
Wind (20 ft)........Southeast winds around 5 mph shifting to the
                    southwest 6 to 9 mph with gusts to around 16
                    mph in the afternoon. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
Mixing height.......9500 ft AGL in the afternoon.
Transport winds.....Southwest 8 to 15 mph.
Ventilation Index...Moderate (495) increasing to very high (1483)
                    in the afternoon.

$$
Forecaster...VT
Requested by...Deer Creek IC
Type of request...WILDFIRE
.TAG 2617916.0/OTX
.DELDT 07/21/26
.FormatterVersion 2.0.0
.EMAIL idcdc@firenet.gov