598  
FNUS76 KPQR 081531  
FWSPQR  
 
SPOT FORECAST FOR MT HEBO MEADOWS RX...SIUSLAW NATIONAL FOREST  
NATIONAL WEATHER SERVICE PORTLAND OR  
831 AM PDT MON SEP 8 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 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 TODAY, THEN TRENDING TO PARTLY CLOUDY THROUGH THE  
WEEK. AFTERNOON RH 70-80% THROUGH THURSDAY, THEN SLIGHTLY DRIER  
FRIDAY AND SATURDAY. LIGHT NORTHWESTERLY WINDS THROUGH FRIDAY,  
SHIFTING MORE WESTERLY THROUGH THE WEEKEND.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
LATE IN THE MORNING, THEN CHANCE OF RAIN  
SHOWERS IN THE AFTERNOON.  
CWR.................6 PERCENT INCREASING TO 22 PERCENT LATE IN THE  
AFTERNOON.  
CHANCE OF LIGHTNING.13 PERCENT.  
MAX TEMPERATURE.....AROUND 67 TO 72.  
MIN HUMIDITY........70 TO 75 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....EAST 2 TO 3 MPH SHIFTING TO THE WEST 3 TO 6 MPH  
IN THE AFTERNOON.  
 
TIME (PDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........59 70 79 85 91 90 82 79 75  
WEATHER COV.....SCH SCH SCH CHC 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 20  
CHC OF LTNG (%).0 0 0 0 0 10 10 10 10  
TEMP............58 62 65 66 67 67 67 68 65  
RH..............76 72 72 72 72 72 74 77 77  
20 FT WIND DIR..E NE N N NW W W W NW  
20 FT WIND SPD..1 1 0 0 1 1 1 1 1  
20 FT WIND GUST.2 2 2 2 4 5 5 5 5  
MIX HGT (KFT)...0.1 0.1 0.2 0.5 0.5 0.5 0.2 0.1 0.1  
TRANSP WIND DIR.E NE E SE W W W W W  
TRANSP WIND SPD.2 3 3 3 3 5 5 6 5  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY  
EARLY IN THE EVENING, THEN CHANCE OF RAIN  
SHOWERS.  
CWR.................22 PERCENT.  
CHANCE OF LIGHTNING.13 PERCENT.  
MIN TEMPERATURE.....AROUND 54 TO 57.  
MAX HUMIDITY........88 TO 93 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 3 TO 6 MPH SHIFTING TO THE NORTH  
AROUND 3 MPH OVERNIGHT.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........72 67 61 62 67 62 60 63 59 69 68 79  
WEATHER COV.....LKY CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
CWR.............20 20 20 20 20 20 20 20 20 20 20 20  
CHC OF LTNG (%).10 10 10 10 10 10 10 10 10 10 10 0  
TEMP............64 62 57 56 57 57 56 56 56 56 56 55  
RH..............79 83 88 88 86 82 84 85 86 82 83 87  
20 FT WIND DIR..NW NW NW NW N N N N N N N N  
20 FT WIND SPD..1 1 1 2 2 2 2 2 2 2 2 2  
20 FT WIND GUST.5 5 5 5 5 6 5 5 5 5 5 5  
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1  
TRANSP WIND DIR.W W NW NW NW NW NW NW N N N N  
TRANSP WIND SPD.5 6 5 5 5 3 3 3 3 3 3 3  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY. RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS.  
CWR.................19 PERCENT DECREASING TO 3 PERCENT LATE IN THE  
AFTERNOON.  
CHANCE OF LIGHTNING.15 PERCENT.  
MAX TEMPERATURE.....AROUND 67 TO 72.  
MIN HUMIDITY........74 TO 80 PERCENT.  
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS LATE IN THE MORNING.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....NORTH 2 TO 8 MPH.  
 
TIME (PDT) 6 AM 10 AM 2 PM  
SKY (%).........79 73 72  
WEATHER COV.....CHANCE CHANCE LIKELY  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR  
TSTM COV........  
CWR.............20 20 20  
CHC OF LTNG (%).0 0 10  
TEMP............54 58 64  
RH..............88 83 77  
20 FT WIND......N 2G5 NW 2G4 NW 2G6  
MIX HGT (FT)....BLW100 BLW100 500  
TRANSPORT WIND..N 3 N 2 NW 6  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
 
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE MID 50S. HIGHS IN  
THE MID 60S. LIGHT WINDS.    
THURSDAY
 
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE MID 50S.  
HIGHS IN THE MID 60S. LIGHT WINDS.    
FRIDAY
 
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S.  
LIGHT WINDS.    
SATURDAY
 
 
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE MID 50S. HIGHS  
AROUND 70.    
SUNDAY
 
 
SHOWERS LIKELY. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 60S.  
 

 
FORECASTER...HALL  
REQUESTED BY...CAROL DAVISCOURT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2521135.2/PQR  
.DELDT 09/08/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CAROL.DAVISCOURT@USDA.GOV  
 
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