918
FNUS76 KPQR 100021
FWSPQR
SPOT FORECAST FOR 400 MR...OREIC
NATIONAL WEATHER SERVICE PORTLAND OR
521 PM PDT TUE SEP 9 2025
FORECAST IS BASED ON FORECAST START TIME OF 1800 PDT ON SEPTEMBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THE
EVENING HOURS BEFORE SLOWLY DISSIPATING BY TONIGHT. WEDNESDAY AND
THURSDAY HAVE A SIMILAR SET UP AS TODAY WITH A 15-25% PROBABILITY
OF THUNDERSTORMS. RH WILL REMAIN ELEVATED THROUGH THE WEEK.
VARIABLE WINDS 3-5 MPH EACH AFTERNOON WITH ISOLATED GUSTS UP TO
15 MPH.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
CHANCE OF RAIN SHOWERS OVERNIGHT.
CWR.................59 PERCENT.
CHANCE OF LIGHTNING.22 PERCENT.
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT AND VARIABLE WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE EVENING.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 6 MPH SHIFTING TO THE NORTHEAST
LATE IN THE EVENING, THEN SHIFTING TO THE WEST
3 TO 5 MPH OVERNIGHT.
TIME (PDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........89 89 83 82 61 78
WEATHER COV.....LIKELY CHANCE S CHC S CHC S CHC S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........S CHC
CWR.............60 60 60 60 60 60
CHC OF LTNG (%).20 10 10 0 0 0
TEMP............58 54 51 49 48 46
RH..............91 96 100 99 100 100
20 FT WIND......W 2 NE 2 E 2 SE 2 E 2 E 1
20 FT WIND GUST.5 5 5 4 4 2
MIX HGT (FT)....1400 1400 700 600 600 600
TRANSPORT WIND..NW 6 NW 6 N 6 NE 5 W 5 W 5
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
CWR.................51 PERCENT DECREASING TO 27 PERCENT LATE IN THE
AFTERNOON.
CHANCE OF LIGHTNING.25 PERCENT.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........77 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......VARIABLE WINDS 3-5 MPH. ISOLATED GUSTS UP TO 15 MPH.
GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 8 MPH.
TIME (PDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........64 62 65 76 80 74
WEATHER COV.....S CHC S CHC CHANCE CHANCE LIKELY CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ S CHC CHANCE CHANCE
CWR.............50 50 50 50 50 50
CHC OF LTNG (%).0 0 0 20 30 30
TEMP............46 47 57 60 62 62
RH..............100 100 89 80 76 77
20 FT WIND......E 1 N 2 W 2 NW 3 W 4 W 4
20 FT WIND GUST.2 5 6 7 7
MIX HGT (FT)....600 900 1400 2100 3000 2100
TRANSPORT WIND..W 5 NW 5 NW 5 NW 6 NW 7 NW 7
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE EVENING,
THEN CHANCE OF RAIN EARLY IN THE EVENING. RAIN
LIKELY EARLY IN THE MORNING.
CWR.................27 PERCENT DECREASING TO 13 PERCENT EARLY IN
THE MORNING.
CHANCE OF LIGHTNING.22 PERCENT.
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT AND VARIABLE WINDS. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS EARLY IN THE EVENING.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 8 MPH.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........82 89 90 85 92 87 87 87 81 81 81 86
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........SCH SCH
CWR.............30 30 30 30 30 30 30 30 30 30 30 10
CHC OF LTNG (%).20 20 10 10 10 10 10 10 10 10 10 10
TEMP............61 60 58 53 52 51 50 50 49 49 48 48
RH..............82 85 91 100 100 100 100 100 100 99 99 98
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..4 4 2 2 2 3 3 3 3 3 3 3
20 FT WIND GUST.7 7 5 5 5 6 6 6 6 6 6 5
MIX HGT (KFT)...1.2 0.8 0.8 0.8 0.7 0.6 0.6 0.6 0.6 0.6 0.7 0.7
TRANSP WIND DIR.NW NW W W W W W W W W W W
TRANSP WIND SPD.8 8 8 8 8 7 7 7 7 7 7 7
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN LIKELY, THEN CHANCE OF RAIN
LATE IN THE AFTERNOON.
CWR.................13 PERCENT DECREASING TO 2 PERCENT LATE IN THE
AFTERNOON.
CHANCE OF LIGHTNING.14 PERCENT.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........76 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN
THE AFTERNOON.
RIDGETOP...........
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 8 MPH.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........86 86 87 87 87 73 73 73 73 73 73 58
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 (%).10 10 10 10 10 10 10 10 10 10 10 10
TEMP............48 48 48 50 53 55 57 58 60 60 61 61
RH..............99 99 100 98 97 95 91 87 83 81 78 76
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..3 3 3 3 3 4 4 4 5 5 5 5
20 FT WIND GUST.5 5 6 6 6 7 7 7 8 8 8 10
MIX HGT (KFT)...0.9 1.0 1.2 1.3 1.4 1.6 1.7 1.8 2.0 2.3 2.5 2.4
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.7 7 7 7 7 7 7 8 8 8 8 8
FORECASTER...BISHOP
REQUESTED BY...OREIC
TYPE OF REQUEST...WILDFIRE
.TAG 2521677.0/PQR
.DELDT 09/09/25
.FORMATTERVERSION 2.0.0
.EMAIL OREIC@FIRENET.GOV
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