Spot Forecast
Issued by NWS Pendleton, OR

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583
FNUS76 KPDT 161544
FWSPDT

Spot Forecast for Pine Flats Rx Unit 2...MARS
National Weather Service Pendleton OR
844 AM PDT Fri May 16 2025

Forecast is based on ignition time of 1200 PDT on May 16.
***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...Dry conditions are expected today.  However, there will be
a slight chance (20%) of rain showers this evening and a chance of showers
(30-40%) Saturday morning which increases to about 60% by afternoon, before
ending Saturday evening/night.  there is also a slight chance (20%) of
thunderstorms Saturday afternoon.

Only a few hundredths of rain are expected overnight, with up to 0.10 inches
possible on Saturday.  These amounts could be higher if impacted by thunderstorms.
Winds will become gusty Saturday afternoon.  MIN RH values will mainly be 45 to 55
percent with excellent overnight recoveries.

Early week looks mostly dry, though there could be some low rain chances (30%) Monday
afternoon and even lower chances (20%) on Tuesday.

.TODAY...

Sky/weather.........Partly sunny (45-55 percent).
CWR.................0 percent.
Chance of lightning.3 percent.
Max temperature.....63-66.
Min humidity........47-52 percent.
Wind (20 ft)........West winds 5 to 10 mph.
Ridgetop wind.......West to northwest wind 15 to 20 mph early decreasing
                    to around 10 mph in the afternoon.
Mixing height.......4400 ft AGL.
Transport winds.....West 12 to 14 mph.
Ventilation Index...Fair (430).

TIME (PDT)      NOON   2 PM   4 PM   6 PM   8 PM   10 PM
Chc of ltng (%).0      0      0      0      0      0
Temp............57     61     63     61     55     50
RH..............61     56     52     53     62     75
20 ft wind......W 8    W 10   W 10   W 8    W 7    W 7
20 ft wind gust.10     12     12     11

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Slight chance of
                    rain showers late in the evening. Rain showers
                    likely early in the morning.
CWR.................2 percent increasing to 20 percent early in the
                    morning.
Chance of lightning.5 percent.
Min temperature.....40-43.
Max humidity........93-98 percent.
Wind (20 ft)........West winds 5 to 10 mph.
Ridgetop wind.......West winds around 10 mph increasing to 15 mph by
                    morning.
Mixing height.......600 ft AGL.
Transport winds.....West 8 to 13 mph in the evening becoming light,
                    then becoming west around 5 mph overnight
                    becoming light.
Ventilation Index...Fair (210) decreasing to poor (30) overnight.

.SATURDAY...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    mostly sunny (25-35 percent). Rain showers
                    likely. Slight chance of thunderstorms late in
                    the morning, then slight chance of rain showers
                    late in the afternoon.
CWR.................20 percent decreasing to 7 percent late in the
                    morning.
Chance of lightning.18 percent.
Max temperature.....63-66.
Min humidity........48-53 percent.
Wind (20 ft)........West winds 5 to 15 mph. Gusts to20 mph in the afternoon.
                    Gusty and erratic winds expected near thunderstorms late
                    in the morning or afternoon.
Ridgetop wind.......West to northwest winds 10 to 15 mp becoming northwest
                    and increasing to 15 to 20 mph in the afternoon, with
                    gusts 25 to 30 mph.
Mixing height.......4900 ft AGL.
Transport winds.....Light winds becoming west 22 to 31 mph.
Ventilation Index...Poor (60) increasing to good (700) in the
                    afternoon.

.FORECAST DAYS 3 THROUGH 7...
.SUNDAY...
Partly cloudy. Lows in the mid 30s. Highs in the upper 50s.
West winds around 10 mph.
.MONDAY...
Partly cloudy. Chance of showers. Lows in the lower 30s. Highs in
the lower 60s. West winds around 5 mph.
.TUESDAY...
Partly cloudy. Slight chance of showers. Lows in the upper 30s.
Highs in the lower 60s. West winds around 6 mph.
.WEDNESDAY...
Mostly clear. Lows in the lower 30s. Highs in the upper 60s.
.THURSDAY...
Partly cloudy. Lows in the mid 30s. Highs in the upper 60s.

$$
Forecaster...Nierenberg
Requested by...Lucas@mtadamsstewards.org
Type of request...PRESCRIBED
.TAG 2514145.0/PDT
.DELDT 05/16/25
.FormatterVersion 2.0.0
.EMAIL Lucas@mtadamsstewards.org,lucas@mtadamsstewards.org