627
FNUS76 KPDT 171935
FWSPDT

Spot Forecast for Robinson Rx 1...Kittitas COunty Fire District 1
National Weather Service Pendleton OR
1235 PM PDT Fri Oct 17 2025

Forecast is based on ignition time of 1300 PDT on October 17.
***Thunderstorms imply gusty and erratic winds***
***Winds are 20 foot 10-minute averages***
***CWR-Chance of wetting rain 0.10 or greater***
***Ventilation Index is derived from the
   transport wind multiplied by the mixing
   height in 100`s of feet. Index categories
   are a generalized indicator only.***

If you have questions or concerns with this forecast, please
contact our office at (541) 276-8134.

...WIND ADVISORY IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON...

Expect dry and windy conditions from the Northwest through
the afternoon and evening. Look for mixing heights between about
3000 and 5000ft. Increasing chances for rain showers after noon Saturday.

.DISCUSSION...

.REST OF TODAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....55-58.
Min humidity........34-39 percent.
Wind (20 ft)........Breezy. Northwest winds 20 to 25 mph with gusts
                    to around 30 mph.
Ridgetop wind.......26 to 29 mph
Mixing height.......3600 ft AGL.
Transport winds.....Northwest 25 to 30 mph.
Ventilation Index...Excellent (840).

TIME (PDT)      1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............53  53  53  52  50  49  47  46  44  43  43  42
RH..............42  41  40  41  43  45  48  51  55  58  61  62
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..22  25  25  25  20  20  20  13  13  13  6   6
20 FT wind gust.28  29  29  29  22  22  22              7   7

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent). Areas of frost
                    early in the morning.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....34-37.
Max humidity........66-71 percent.
Wind (20 ft)........Northwest winds 8 to 20 mph becoming light.
Ridgetop wind.......27 to 30
Mixing height.......500 ft AGL.
Transport winds.....Northwest 15 to 20 mph decreasing to around 9
                    mph overnight, then becoming light early in the
                    morning.
Ventilation Index...Poor (160) decreasing to poor (50) overnight.

.SATURDAY...

Sky/weather.........Mostly sunny (40-50 percent) then becoming
                    mostly cloudy (75-85 percent). Areas of frost
                    early in the morning, then patchy frost early
                    in the morning. Slight chance of rain showers
                    late in the afternoon. Rain showers likely late
                    in the afternoon.
CWR.................0 percent increasing to 18 percent late in the
                    afternoon.
Chance of lightning.0 percent.
Max temperature.....50-53.
Min humidity........38-43 percent.
Wind (20 ft)........Light winds in the morning becoming east 5 to 7
                    mph, then shifting to the northeast late in the
                    afternoon becoming light.
Ridgetop wind.......east 6 to 9 mph
Mixing height.......1300 ft AGL.
Transport winds.....Light winds becoming south around 5 mph early
                    in the morning, then becoming light late in the
                    afternoon.
Ventilation Index...Poor (30) increasing to poor (50) in the
                    afternoon.

$$
Forecaster...Russell
Requested by...Brandon Schmidt/CHief
Type of request...PRESCRIBED
.TAG 2523834.0/PDT
.DELDT 10/17/25
.FormatterVersion 2.0.0
.EMAIL bschmidt@kcfd1.org