289  
FNUS76 KPQR 090054  
FWSPQR  
 
SPOT FORECAST FOR NAILS KNOB RX...NWOD - BLM  
NATIONAL WEATHER SERVICE PORTLAND OR  
554 PM PDT THU MAY 8 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON MAY 09.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
A RIDGE OF HIGH PRESSURE WILL CONTINUE TO SIT OVER  
THE REGION THE NEXT FEW DAYS FACILITATING DRY AND FAIRLY CALM  
WEATHER. EXPECT WINDS TO LARGELY STAY TERRAIN DRIVEN WITH GOOD TO  
EXCELLENT RELATIVE HUMIDITY RECOVERY OVERNIGHT.  
   
FRIDAY  
 
SKY/WEATHER.........MOSTLY SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....71-74.  
MIN HUMIDITY........35-40 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT UPSLOPE WINDS.  
RIDGETOP...........NORTH-NORTHEAST WINDS AROUND 4 TO 8 MPH.  
MIXING HEIGHT.......RISING TO 3500 FT AGL MIDDAY.  
TRANSPORT WINDS.....NORTH 3 TO 5 MPH SHIFTING TO THE WEST 5 TO 6  
MPH IN THE AFTERNOON.  
 
TIME (PDT) 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........54 52 42 61 44  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0  
TEMP............49 58 65 71 74  
RH..............73 59 51 42 40  
20 FT WIND......N 3 NE 3 NE 4 NE 4 NW 5  
20 FT WIND GUST. 5 6 6 7  
RIDGETOP WIND...M M M M M  
MIX HGT (FT)....700 1800 3000 3500 3200  
TRANSPORT WIND..N 5 NE 5 N 3 W 5 W 5  
   
FRIDAY NIGHT  
 
SKY/WEATHER.........PARTLY TO MOSTLY CLOUDY.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....41-44.  
MAX HUMIDITY........75-85 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT DOWNSLOPE WINDS.  
RIDGETOP...........WEST-NORTHWEST 4 TO 7 MPH.  
MIXING HEIGHT.......FALLING TO 300 FT AGL IN THE EVENING.  
TRANSPORT WINDS.....WEST 6 TO 8 MPH.  
 
TIME (PDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........64 52 52 57 63 63  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0  
TEMP............72 63 56 52 48 46  
RH..............46 56 63 69 74 75  
20 FT WIND......NW 5 W 4 W 4 W 3 W 2 W 2  
20 FT WIND GUST.7 7 7 6 6 6  
RIDGETOP WIND...M M M M M M  
MIX HGT (FT)....2300 1000 400 400 400 300  
TRANSPORT WIND..W 6 W 6 W 7 W 7 W 6 W 6  
   
SATURDAY  
 
SKY/WEATHER.........PARTLY SUNNY.  
CWR.................2 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 70.  
MIN HUMIDITY........37-42 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST AROUND 6 MPH LATE IN  
THE AFTERNOON.  
RIDGETOP...........WEST 5 TO 10 MPH.  
MIXING HEIGHT.......RISING TO 5100 FT AGL MIDDAY.  
TRANSPORT WINDS.....WEST 6 TO 12 MPH.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........61 61 64 64 64 49 49 49 52 52 52 72  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............46 48 49 53 57 61 63 65 68 67 67 67  
RH..............75 73 72 64 55 47 45 42 40 41 41 42  
20 FT WIND DIR..W W SW SW SW W W W W W W W  
20 FT WIND SPD..2 2 2 2 2 2 2 2 4 4 4 6  
20 FT WIND GUST.5 5 5 5 5 6 6 6 10 10 10 11  
RIDGE WIND DIR..M M M M M M M M M M M M  
RIDGE WIND SPD..M M M M M M M M M M M M  
MIX HGT (KFT)...0.5 0.7 1.1 1.7 2.4 3.1 4.7 4.9 5.1 4.9 4.3 3.4  
TRANSP WIND DIR.W W W W SW SW SW W W W W W  
TRANSP WIND SPD.6 5 5 5 5 6 7 8 9 9 9 9  
 
 
FORECASTER...SCHULDT  
REQUESTED BY...SPENCER WARE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2513583.0/PQR  
.DELDT 05/08/25  
.FORMATTERVERSION 2.0.0  
.EMAIL SAWARE@BLM.GOV  
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