991  
FNUS76 KPQR 071215  
FWSPQR  
 
SPOT FORECAST FOR KING RX...USFS GPF  
NATIONAL WEATHER SERVICE PORTLAND OR  
515 AM PDT THU MAY 7 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON MAY 07.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
HIGH PRESSURE MOVING OVERHEAD MAINTAINS WARM AND DRY  
CONDITIONS. NOCTURNAL INVERSION NEAR 500 FT EXPECTED TO BREAK BY  
0900-1000 AS THE MIXED LAYER DEEPENS TO 3-4 KFT, THEN REDEVELOP  
BY 1900-2000 EACH EVENING. WEST WINDS GUSTING TO 10-15 THROUGH THE  
CENTRAL COLUMBIA GORGE OVERNIGHT AND IN THE MORNING WILL INCREASE  
TO 20-25 MPH IN THE AFTERNOON AND EVENING.  
   
TODAY  
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 71.  
MIN HUMIDITY........27 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 5 TO 6 MPH WITH GUSTS  
TO AROUND 18 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......3500 FT AGL.  
TRANSPORT WINDS.....WEST 7 TO 15 MPH.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........26 16 14 10 9 14 14 19 21 15 18 22  
WEATHER COV.....  
WEATHER TYPE....NONE- - - - - - - - - - -  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............45 46 48 54 60 63 66 68 70 70 71 69  
RH..............66 63 55 41 33 30 28 27 27 27 27 29  
20 FT WIND DIR..SE S S S W W W W W W W W  
20 FT WIND SPD..4 3 3 3 4 4 5 6 6 6 6 6  
20 FT WIND GUST.13 11 10 10 11 11 11 13 14 14 17 18  
MIX HGT (KFT)...0.5 0.5 0.5 1.3 1.9 2.5 3.0 3.2 3.5 3.4 3.0 2.7  
TRANSP WIND DIR.NW NW NW NW W W W W W W W W  
TRANSP WIND SPD.9 8 7 7 10 8 8 10 12 13 14 15  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
CLOUDY.  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 45.  
MAX HUMIDITY........63 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 6 MPH WITH GUSTS TO AROUND  
18 MPH EARLY IN THE EVENING BECOMING LIGHT,  
THEN BECOMING WEST AROUND 5 MPH WITH GUSTS TO  
AROUND 17 MPH EARLY IN THE MORNING.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....WEST 8 TO 14 MPH.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........19 30 29 43 74 66 62 45 62 67 75 90  
WEATHER COV.....  
WEATHER TYPE....NONE- - - - - - - - - - -  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............69 65 58 55 52 50 49 48 47 47 47 46  
RH..............32 39 47 53 57 60 61 62 62 62 62 63  
20 FT WIND DIR..W W NW NW NW W NW W W W NW W  
20 FT WIND SPD..6 6 5 5 4 4 4 4 4 4 4 5  
20 FT WIND GUST.18 17 14 14 13 11 11 11 11 12 13 17  
MIX HGT (KFT)...2.0 1.1 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.W W W W NW NW NW W W W NW NW  
TRANSP WIND SPD.14 12 10 10 9 8 9 10 12 12 13 14  
   
FRIDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING SUNNY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 65.  
MIN HUMIDITY........34 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 24  
MPH.  
MIXING HEIGHT.......4200 FT AGL.  
TRANSPORT WINDS.....WEST 13 TO 21 MPH SHIFTING TO THE NORTHWEST  
AROUND 23 MPH LATE IN THE AFTERNOON.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........90 90 81 81 81 78 78 78 4 4 4 3  
WEATHER COV.....  
WEATHER TYPE....NONE- - - - - - - - - - -  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............47 47 50 56 59 59 60 63 64 65 65 64  
RH..............63 65 62 50 43 41 38 37 34 35 36 38  
20 FT WIND DIR..W W W W W W W W W W W W  
20 FT WIND SPD..5 5 6 6 6 8 8 8 10 10 10 9  
20 FT WIND GUST.17 17 19 19 19 20 20 20 22 22 22 24  
MIX HGT (KFT)...0.5 0.5 1.3 1.8 2.2 2.6 2.9 3.4 4.0 4.0 4.2 4.1  
TRANSP WIND DIR.NW NW W W W W W W W NW W NW  
TRANSP WIND SPD.13 13 14 16 17 17 18 20 21 21 21 23  
 
 
FORECASTER...PICARD  
REQUESTED BY...DAVID HEUPEL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2613004.0/PQR  
.DELDT 05/07/26  
.FORMATTERVERSION 2.0.0  
.EMAIL DAVID.HEUPEL@USDA.GOV,ANDREW.MYHRA@USDA.GOV  
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