629  
FNUS76 KPQR 081442  
FWSPQR  
 
SPOT FORECAST FOR NESTUCCA NWR RX...SIUSLAW NATIONAL FOREST  
NATIONAL WEATHER SERVICE PORTLAND OR  
742 AM PDT MON SEP 8 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON SEPTEMBER 08.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
FALL-LIKE WEATHER TODAY INTO TUESDAY WITH SHOWERS  
AND COOL TEMPERATURES. LINGERING SHOWERS POSSIBLE WEDNESDAY  
THROUGH THURSDAY. CONDITIONS TEMPORARILY DRY OUT LATE IN THE WEEK  
AHEAD OF ANOTHER FALL-LIKE STORM SYSTEM THIS WEEKEND. MOSTLY  
CLOUDY THROUGH THE WEEK, WITH BRIEF IMPROVEMENTS TO PARTLY SUNNY  
DURING THURSDAY AND FRIDAY AFTERNOONS. AFTERNOON RH 80-90% THROUGH  
THE WEEK. LIGHT NORTHERLY TO NORTHWESTERLY WINDS THROUGH FRIDAY,  
SHIFTING MORE WESTERLY THROUGH THE WEEKEND.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS  
LATE IN THE MORNING, THEN RAIN SHOWERS  
LIKELY LATE IN THE AFTERNOON.  
CWR.................14 PERCENT.  
CHANCE OF LIGHTNING.11 PERCENT.  
MAX TEMPERATURE.....AROUND 65 TO 70.  
MIN HUMIDITY........87 TO 92 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
MIXING HEIGHT.......1300 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 3 MPH SHIFTING TO THE NORTHWEST 5  
TO 6 MPH IN THE AFTERNOON.  
 
TIME (PDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........69 67 63 75 81 90 83 86 80 76  
WEATHER COV..... SCH SCH SCH SCH CHC CHC CHC LKY LKY  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW  
TSTM COV........  
CWR.............10 10 10 10 10 10 10 10 10 10  
CHC OF LTNG (%).0 0 0 0 0 0 10 10 10 10  
TEMP............58 60 63 64 64 64 65 65 66 65  
RH..............94 91 88 87 89 88 89 90 89 89  
20 FT WIND DIR..NE N NW NW NW NW NW NW NW NW  
20 FT WIND SPD..1 1 1 2 2 3 4 4 4 3  
20 FT WIND GUST.2 2 2 4 4 5 6 5 5 5  
MIX HGT (KFT)...0.5 0.7 1.1 1.2 1.3 1.3 1.2 1.2 1.2 1.0  
TRANSP WIND DIR.NE N N N N NW NW NW NW N  
TRANSP WIND SPD.3 3 3 3 3 5 6 6 5 5  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY EARLY IN THE  
EVENING, THEN CHANCE OF RAIN SHOWERS EARLY IN  
THE EVENING TO EARLY MORNING.  
CWR.................14 PERCENT.  
CHANCE OF LIGHTNING.11 PERCENT.  
MIN TEMPERATURE.....AROUND 55 TO 60.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....NORTH 3 TO 5 MPH.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........74 71 73 74 79 83 86 90 88 91 89 97  
WEATHER COV.....LKY LKY CHC CHC CHC CHC CHC CHC CHC CHC CHC LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
CWR.............10 10 10 10 10 10 10 10 10 10 10 10  
CHC OF LTNG (%).10 10 0 0 0 10 10 10 0 0 0 0  
TEMP............63 63 61 60 59 59 58 57 58 57 57 57  
RH..............94 92 95 98 98 99 98 100 98 100 100 100  
20 FT WIND DIR..NW NW NW NW NW NW W NW W W W N  
20 FT WIND SPD..2 2 1 1 1 1 1 1 1 1 1 1  
20 FT WIND GUST.4 2 2 2 2 2 2 2 2 2 2  
MIX HGT (KFT)...0.9 0.8 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6  
TRANSP WIND DIR.NW N NW N N N N N N N NW N  
TRANSP WIND SPD.5 5 5 3 3 3 3 3 3 3 3 3  
   
TUESDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY. PATCHY FOG  
EARLY IN THE MORNING.  
CWR.................10 PERCENT.  
CHANCE OF LIGHTNING.13 PERCENT.  
MAX TEMPERATURE.....AROUND 62 TO 67.  
MIN HUMIDITY........88 TO 93 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING NORTHWEST 5 TO 6 MPH LATE  
IN THE AFTERNOON.  
MIXING HEIGHT.......1400 FT AGL.  
TRANSPORT WINDS.....NORTH 3 TO 10 MPH.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........97 97 82 82 82 73 73 73 71 71 71 62  
WEATHER COV.....LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
CWR.............10 10 10 10 10 10 10 10 10 10 10 0  
CHC OF LTNG (%).0 0 0 0 0 10 10 10 10 10 10 0  
TEMP............57 57 57 58 60 61 62 63 64 64 63 63  
RH..............99 100 100 99 97 95 93 91 89 89 88 88  
20 FT WIND DIR..N N N N N N N N NW NW NW N  
20 FT WIND SPD..1 1 1 1 1 2 2 2 5 5 5 6  
20 FT WIND GUST.2 2 2 2 2 4 4 4 6 6 6 7  
MIX HGT (KFT)...0.6 0.6 0.6 0.8 1.0 1.1 1.2 1.4 1.4 1.4 1.4 1.2  
TRANSP WIND DIR.N N N N N N N N N N N N  
TRANSP WIND SPD.5 3 3 5 5 3 5 6 8 9 10 10  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE MID 50S. HIGHS IN  
THE LOWER 60S. LIGHT WINDS.    
THURSDAY  
 
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN THE MID 50S.  
HIGHS IN THE MID 60S. LIGHT WINDS.    
FRIDAY  
 
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID 60S. LIGHT  
WINDS.    
SATURDAY  
 
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE MID 50S. HIGHS  
IN THE UPPER 60S.    
SUNDAY  
 
SHOWERS LIKELY. LOWS IN THE MID 50S. HIGHS IN THE MID 60S.  
 
 
FORECASTER...HALL  
REQUESTED BY...CAROL DAVISCOURT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2521133.2/PQR  
.DELDT 09/08/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CAROL.DAVISCOURT@USDA.GOV  
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