759 
FNUS76 KPDT 071155
FWSPDT

Spot Forecast for Labor Mtn...USFS
National Weather Service Pendleton OR
455 AM PDT Sun Sep 7 2025

Forecast is based on forecast start time of 0600 PDT on September 07. 
***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...Active weather remains in the forecast near the fire as
the chance for afternoon showers and thunderstorms will be present
today and Monday. Rainfall amounts from showers are expected to 
be limited with slim CWR values today and only slightly better 
values Monday afternoon. Overnight RH recoveries will remain 
moderate.

.TODAY...

Sky/weather.........Mostly sunny (40-50 percent). Areas of smoke 
                    through the day. Slight chance of thunderstorms 
                    in the morning. Chance of rain showers through 
                    the day. Chance of thunderstorms in the 
                    afternoon. 
CWR.................3 percent. 
Chance of lightning.26 percent. 
Max temperature.....70-73. 
Min humidity........53-58 percent. 
Wind (20 ft)........Light winds becoming west 5 to 8 mph early in 
                    the morning. Gusty and erratic winds expected 
                    near thunderstorms late in the morning. Gusty 
                    and erratic winds expected near thunderstorms 
                    late in the afternoon. 
Ridgetop wind.......Light winds becoming west-northwest 7 to 10 mph 
                    late in the afternoon. Gusty and erratic winds 
                    expected near thunderstorms late in the afternoon.  
Mixing height.......4100 ft AGL. 
Transport winds.....West 6 to 10 mph. 
Ventilation Index...Poor (40) increasing to fair (220) in the 
                    afternoon. 

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 
Chc of ltng (%).0   0   10  10  10  20  20  20  30  30  30  10  
Temp............59  59  59  60  62  65  68  69  70  70  68  68  
RH..............70  74  75  77  73  66  64  60  57  56  57  60  
20 FT wind dir..NW  NW  W   W   W   SW  SW  SW  W   W   W   W   
20 FT wind spd..4   4   5   5   5   7   7   7   8   8   8   7   
20 FT wind gust.6   6   8   8   8   10  10  10  10  10  10  11  

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming 
                    mostly cloudy (55-65 percent). Slight chance of 
                    rain showers early in the evening. Areas of 
                    smoke through the night. 
CWR.................0 percent. 
Chance of lightning.12 percent. 
Min temperature.....53-56. 
Max humidity........68-73 percent. 
Wind (20 ft)........Northwest winds 5 to 8 mph becoming light. 
Ridgetop wind.......Northwest winds 7 to 10 mph becoming light 
                    overnight.  
Mixing height.......700 ft AGL. 
Transport winds.....Northwest 7 to 10 mph. 
Ventilation Index...Poor (90) decreasing to poor (40) overnight. 

.MONDAY...

Sky/weather.........Partly sunny (45-55 percent). Areas of smoke 
                    through the day. Slight chance of rain showers 
                    late in the morning. Chance of rain showers and 
                    slight chance of thunderstorms late in the 
                    afternoon. 
CWR.................0 percent increasing to 29 percent late in the 
                    afternoon. 
Chance of lightning.21 percent. 
Max temperature.....69-72. 
Min humidity........42-47 percent. 
Wind (20 ft)........Light winds becoming southwest 5 to 7 mph late 
                    in the afternoon. Gusty and erratic winds 
                    expected near thunderstorms late in the 
                    afternoon. 
Ridgetop wind.......Northwest winds 5 to 7 mph.  
Mixing height.......5700 ft AGL. 
Transport winds.....Northwest 5 to 7 mph in the morning, then 
                    becoming southwest around 5 mph late in the 
                    afternoon. Gusty and erratic winds expected 
                    near thunderstorms late in the afternoon. 
Ventilation Index...Poor (40) increasing to poor (140) in the 
                    afternoon. 

$$
Forecaster...NWS Seattle
Requested by...Kenton Bass
Type of request...WILDFIRE
.TAG 2521443.1/PDT
.DELDT 09/07/25
.FormatterVersion 2.0.0
.EMAIL kenton.bass@usda.gov,christian.pittaro@usda.gov