473
FNUS76 KOTX 102301
FWSOTX

Spot Forecast for HATCH ROAD...NEWICC
National Weather Service Spokane WA
401 PM PDT Thu Sep 10 2026

Forecast is based on forecast start time of 1600 PDT on September 10.

.DISCUSSION...

Winds will remain breezy out of the west through 1800 and 2000 hours
this evening before subsiding overnight. Friday will be mild and dry
with light winds with passing mid and high clouds. Rain will be on
the increase Saturday Night into Sunday with a 90 percent chance of
a wetting rain.

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.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 77.
Min humidity........27-31 percent.
Wind (20 ft)........West winds 11-14 mph with gusts to 20 mph.
Mixing height.......6500 ft AGL.
Transport winds.....West 24-30 mph.
Ventilation Index...Very high (1200).

.TONIGHT...

Sky/weather.........Cloudy in the evening becoming partly cloudy
                    overnight.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 49.
Max humidity........67-71 percent.
Wind (20 ft)........West winds 9-11 mph with gusts to 17 mph in
                    the early evening decreasing to 4-7 mph after
                    1900 hours. Winds become light and variable
                    1-4 mph after 2300 hours.
Mixing height.......Falling to near surface around 1900 hours.
Transport winds.....West 12-18 mph in the evening decreasing to
                    6-11 mph after 2100 hours, then shifting
                    south and decreasing to 2-5 mph after 0300
                    hours.
Ventilation Index...Moderate (471) decreasing to low (37)
                    overnight.

.FRIDAY...

Sky/weather.........Mostly cloudy in the morning becoming mostly
                    sunny in the afternoon.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 70.
Min humidity........26-30 percent.
Wind (20 ft)........South winds 3-6 mph in the morning becoming
                    southwest with similar speeds after 1100 hours.
Mixing height.......Inversion lifting around 0930 hours
                    increasing to 7500 ft AGL in the afternoon.
Transport winds.....South 5-8 mph in the morning becoming
                    southwest with similar speeds after 1000
                    hours, then shifting west with similar speeds
                    after 1200 hours.
Ventilation Index...Low (194) increasing to moderate (352) in the
                    afternoon.

$$
Forecaster...RFKS
Requested by...Hayley Elliott
Type of request...WILDFIRE
.TAG 2621614.0/OTX
.DELDT 09/10/26
.FormatterVersion 2.0.0
.EMAIL james.spencer@dnr.wa.gov,wanec@firenet.gov,aj.stenbeck@dnr.wa.gov