947
FNUS76 KPQR 071621
FWSPQR
SPOT FORECAST FOR HIGH RX...USDA FS
NATIONAL WEATHER SERVICE PORTLAND OR
921 AM PDT THU MAY 7 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON MAY 07.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE WILL MAINTAIN DRY CONDITIONS. A SHALLOW
500-1000 FT NOCTURNAL INVERSION WILL DEVELOP BY 1900-2100 TONIGHT,
THEN EXPECTED TO MIX OUT BY 0500-0700 FRI. MODERATE OVERNIGHT
HUMIDITY RECOVERIES.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 70 TO 75.
MIN HUMIDITY........37 TO 40 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 7 TO 9 MPH IN THE
AFTERNOON.
RIDGETOP...........LIGHT WINDS BECOMING NORTHWEST 7 TO 8 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......3300 FT AGL.
TRANSPORT WINDS.....WEST 3 TO 9 MPH.
TIME (PDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 19 8 3 3 2 0 1 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0
TEMP............55 59 60 64 66 68 70 68 68
RH..............63 53 50 47 42 39 37 38 38
20 FT WIND DIR..N W W W W W W W W
20 FT WIND SPD..0 2 4 6 6 6 7 8 9
20 FT WIND GUST.2 4 6 8 10 10 10 11 11
RIDGE WIND DIR..N W W W W NW NW NW NW
RIDGE WIND SPD..2 3 5 6 6 6 7 8 8
MIX HGT (KFT)...1.3 2.1 2.4 3.1 3.2 3.3 3.3 3.1 2.9
TRANSP WIND DIR.W W W W W W W W W
TRANSP WIND SPD.3 6 6 7 7 8 8 9 9
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING MOSTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 47 TO 49.
MAX HUMIDITY........72 TO 76 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS AROUND 6 TO 7 MPH EARLY IN THE
EVENING BECOMING LIGHT.
RIDGETOP...........NORTHWEST WINDS AROUND 6 TO 7 MPH EARLY IN THE
EVENING BECOMING LIGHT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....WEST 3 TO 8 MPH SHIFTING TO THE SOUTHWEST 3 TO
5 MPH OVERNIGHT, THEN SHIFTING TO THE WEST
AROUND 5 MPH EARLY IN THE MORNING.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........3 20 22 32 24 10 11 4 11 22 30 61
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............68 65 62 59 56 54 53 51 49 49 48 47
RH..............39 44 50 54 59 62 65 66 68 70 71 72
20 FT WIND DIR..W W NW NW SE SE SE SE S S N N
20 FT WIND SPD..7 5 3 2 1 1 1 1 1 1 0 0
20 FT WIND GUST.10 7 6 4 2 2 2 2 2 2 2 2
RIDGE WIND DIR..NW NW NW NW SE SE SE SE S S N N
RIDGE WIND SPD..7 5 4 3 2 2 2 1 1 1 1 1
MIX HGT (KFT)...2.5 1.6 0.4 0.4 0.4 0.4 0.3 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W W W W W W S S SW SW SW W
TRANSP WIND SPD.8 7 6 5 5 3 3 3 3 5 3 5
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 65 TO 70.
MIN HUMIDITY........35 TO 38 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 7 TO 9 MPH IN THE
AFTERNOON.
RIDGETOP...........LIGHT WINDS BECOMING NORTHWEST 7 TO 8 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......3700 FT AGL.
TRANSPORT WINDS.....WEST 3 TO 10 MPH SHIFTING TO THE NORTHWEST
AROUND 9 MPH LATE IN THE AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........83 75 52 60 79 53 13 4 1 1 3 18
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............48 49 50 53 55 57 60 62 63 65 65 65
RH..............72 70 66 59 53 46 42 39 37 36 37 38
20 FT WIND DIR..N N W W W W W W W W W NW
20 FT WIND SPD..0 0 1 2 3 4 6 7 8 9 8 7
20 FT WIND GUST.2 2 2 5 6 8 11 11 11 11 11
RIDGE WIND DIR..N N W W W W W W NW NW NW NW
RIDGE WIND SPD..1 1 2 3 4 5 6 7 8 8 8 7
MIX HGT (KFT)...0.5 0.5 1.1 1.7 1.8 2.3 3.0 3.4 3.7 3.7 3.7 3.4
TRANSP WIND DIR.SW SW W W W W W W W W W NW
TRANSP WIND SPD.5 3 5 6 6 6 7 9 9 9 10 9
FORECASTER...HALL
REQUESTED BY...KENYAN KING
TYPE OF REQUEST...PRESCRIBED
.TAG 2613074.0/PQR
.DELDT 05/07/26
.FORMATTERVERSION 2.0.0
.EMAIL KENYAN.KING@USDA.GOV
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