Spot Forecast
Issued by NWS Pendleton, OR

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786
FNUS76 KPDT 301840
FWSPDT

Spot Forecast for Juniper Canyon...Oregon Department of Forestry
National Weather Service Pendleton OR
1140 AM PDT Sat Aug 30 2025

Forecast is based on forecast start time of 1100 PDT on August 30.
***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.

.DISCUSSION...Hot and dry conditions are expected to build over
the forecast area over the next week. Some cloud cover will be
present this evening into tomorrow, but the rest of the week will
see mostly clear skies and steadily warming conditions with
worsening RH recoveries. Winds are largely expected to be light
and terrain-driven, however.

.TODAY...

Sky/weather.........Sunny (20-30 percent). Areas of haze and smoke.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....92-95.
Min humidity........18-23 percent.
Wind (20 ft)........Northwest winds 5 to 8 mph.
Ridgetop wind.......Northwest winds 5 to 10 mph.
Mixing height.......4000 ft AGL.
Transport winds.....North around 8 mph.
Ventilation Index...Poor (180).

TIME (PDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............80  83  86  88  89  90  91  90  86  81  78  76
RH..............30  27  26  25  24  24  23  25  28  33  37  38
20 FT wind dir..NW  NW  NW  N   N   N   N   N   N   NE  NE  NE
20 FT wind spd..8   8   8   8   8   8   7   7   7   7   7   7
20 FT wind gust.10  10  10  11  11  11  10  10  10

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    mostly cloudy (65-75 percent). Areas of haze
                    and smoke.
CWR.................0 percent.
Chance of lightning.1 percent.
Min temperature.....65-68.
Max humidity........46-51 percent.
Wind (20 ft)........Northeast winds 5 to 8 mph early in the evening,
                    shifting to the South-Southeast overnight.
Ridgetop wind.......Northeast winds 5 to 10 mph, shifting to the
                    Southeast overnight.
Mixing height.......2300 ft AGL early in the evening, becoming near-
                    surface overnight.
Transport winds.....West-Southwest winds around 8 mph.
Ventilation Index...Poor (60) decreasing to poor (30) overnight.

.SUNDAY...

Sky/weather.........Mostly sunny (40-50 percent). Areas of smoke
                    and haze.
CWR.................0 percent.
Chance of lightning.4 percent.
Max temperature.....93-96.
Min humidity........20-25 percent.
Wind (20 ft)........South winds 5 to 8 mph early in the morning,
                    shifting to the Northwest late in the morning.
Ridgetop wind.......South winds 5 to 10 mph early, shifting to the
                    Northwest by the early afternoon.
Mixing height.......2700 ft AGL.
Transport winds.....Southwest around 8 mph shifting to the North
                    in the afternoon.
Ventilation Index...Poor (30) increasing to poor (140) in the
                    afternoon.

$$
Forecaster...Evans
Requested by...Matt Weseman
Type of request...WILDFIRE
.TAG 2520993.0/PDT
.DELDT 08/30/25
.FormatterVersion 2.0.0
.EMAIL orbmc@firenet.gov,douglas.cates@usda.gov,charles.vickery@usda.gov