990
FNUS76 KPDT 051647
FWSPDT

Spot Forecast for Ellensburg Rodeo/Kittitas County Fair...Ellensburg Rodeo Board of Directors/Kittitas
National Weather Service Pendleton OR
947 AM PDT Sat Sep 5 2026

Forecast is based on forecast start time of 1200 PDT on September 05.
***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 transport wind
   multiplied by the mixing height in 100`s of ft.
   Categories are a generalized indicator only:
   low (< 200), moderate (200-500), high (500-700),
   and very high (> 700).                           ***

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

.DISCUSSION...Chance of rain showers (40-60 percent) continue through
the morning and early afternoon hours. Chances drop to 20-40 percent
by the late afternoon hours, with conditions clearing out by the late
afternoon to early evening hours. Highest chance for an isolated
thunderstorm will occur in the peak heating hours. Although winds
will be light in nature, erratic wind gusts could develop near a
developing storm.


.REST OF TODAY...

Sky/weather.........Mostly sunny (45-55 percent). Chance of rain
                    showers and slight chance of thunderstorms.
Chance of pcpn......50 percent.
Chance of lightning.20 percent.
Max temperature.....64-69.
Min humidity........45-50 percent.
Surface winds (mph).Northwest winds at 5 to 10 mph. Shifting to the
                    east at 5 to 10 mph by 11 AM.
Mixing height.......5500 ft AGL.
Transport winds.....Southeast 5 to 10 mph in the afternoon
                    becoming light.

TIME (PDT)      12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P
Chc of ltng (%).20  20  20  20  20  10  10  10  0   0   0   0
Temp............60  63  64  65  66  64  62  61  57  55  54  53
RH..............67  63  58  54  53  55  59  64  68  70  71  73
Surface wnd dir.SE  E   SE  SE  SE  E   NW  NW  NW  NW  NW  NW
Surface wnd spd.5   6   6   5   4   4   4   4   4   4   5   5
Surface wnd gst.9   9   9   9   7   6   6   5   6   6   6   6

.TONIGHT...

Sky/weather.........Mostly cloudy (50-60 percent).
Chance of pcpn......10 percent.
Chance of lightning.8 percent.
Min temperature.....44-49.
Max humidity........75-85 percent.
Surface winds (mph).Light and variable winds.
Mixing height.......3700 ft AGL early in the evening then 500 ft
                    AGL overnight.
Transport winds.....Light winds becoming north 5 to 10 mph early in
                    the evening.

.SUNDAY...

Sky/weather.........Mostly cloudy (75-85 percent). Slight chance of
                    rain showers late in the afternoon.
Chance of pcpn......20 percent.
Chance of lightning.8 percent.
Max temperature.....65-70.
Min humidity........50-55 percent.
Surface winds (mph).Light winds becoming west 3 to 8 mph late by 11 AM.
Mixing height.......4800 ft AGL early in the morning.
Transport winds.....Northwest 5 to 10 mph.

$$
Forecaster...Day
Requested by...Jacob Yake
Type of request...OTHER
.TAG 2621268.0/PDT
.DELDT 09/05/26
.FormatterVersion 2.0.0
.EMAIL jacobyake@ellensburgrodeo.com