780
FNUS76 KPQR 261743
FWSPQR
SPOT FORECAST FOR INCIDENT#CF260803476 - CLACKAMAS COUNTY 911...CLACKAMAS COUNTY 911
NATIONAL WEATHER SERVICE PORTLAND OR
1043 AM PDT WED AUG 26 2026
FORECAST IS BASED ON FORECAST START TIME OF 1100 PDT ON AUGUST 26.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
INCREASING ONSHORE FLOW WILL BRING COOLER CONDITIONS
AND INCREASED AFTERNOON RH VALUES TODAY. EXCELLENT OVERNIGHT RH
RECOVERIES TONIGHT. THERE IS A 10% CHANCE OF WIND GUSTS UP TO 20
MPH BETWEEN 1800-2300 TODAY. WINDS WILL SHIFT FROM WEST TO
SOUTHWEST/SOUTH AROUND 2000-2200 TODAY.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY SUNNY.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........44 PERCENT.
DEWPOINT............57.
SURFACE WINDS.......LIGHT WINDS BECOMING WEST 5 TO 7 MPH LATE IN
THE AFTERNOON.
MIXING HEIGHT.......4900 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 12 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
CEILING (KFT).......14 INCREASING TO 22.
VISIBILITY (SM)......10.
TIME (PDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........56 68 59 38 28 24 18
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0
TEMP............68 71 74 77 79 80 79
DEWPOINT........57 58 58 58 58 57 56
RH..............69 64 58 52 48 45 45
SURFACE WND DIR.W W W W W W W
SURFACE WND SPD.4 5 5 6 7 6 5
SURFACE WND GST.6 8 9 10 12 12 12
MIX HGT (KFT)...2.4 2.8 3.2 3.6 4.2 4.5 4.9
TRANSP WIND DIR.W SW SW SW SW W W
TRANSP WIND SPD.5 6 8 9 9 10 12
CEILING (KFT)...14 19 21 22 23 24 24
VISIBILITY (SM).10 10 10 10 10 10 10
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 57.
MAX HUMIDITY........94 PERCENT.
DEWPOINT............56.
SURFACE WINDS.......LIGHT WINDS.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
CEILING (KFT).......23 DECREASING TO 2.9.
VISIBILITY (SM)......10.
TIME (PDT) 6 PM 10 PM 2 AM
SKY (%).........29 70 74
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0
CHC OF LTNG (%).0 0 0
TEMP............79 69 63
DEWPOINT........57 56 57
RH..............47 64 81
SURFACE WIND....W 5G10 SW 4G8 S 4G6
MIX HGT (FT)....4600 500 600
TRANSPORT WIND..SW 10 W 7 SW 6
CEILING (KFT)...25 23 5.6
VISIBILITY (SM).10 10 10
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY SUNNY.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........51 PERCENT.
DEWPOINT............56.
SURFACE WINDS.......LIGHT WINDS BECOMING WEST 6 TO 8 MPH IN THE
LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......5600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
CEILING (KFT).......1.9 INCREASING TO 18.
VISIBILITY (SM)......10.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........77 75 87 87 81 70 47 21 6 4 3 16
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).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............58 57 59 59 63 65 68 70 73 74 75 76
DEWPOINT........56 56 57 56 57 57 57 57 57 57 56 57
RH..............92 96 94 90 82 75 69 63 58 55 52 51
SURFACE WND DIR.SW SW SW SW SW SW W W W W W W
SURFACE WND SPD.4 4 5 5 6 8 8 8 8 8 6 5
SURFACE WND GST.6 6 8 10 10 12 13 13 14 13 12 10
MIX HGT (KFT)...0.9 0.9 1.5 2.0 2.9 3.5 4.1 4.6 5.1 5.4 5.6 5.6
TRANSP WIND DIR.SW SW SW SW SW SW SW SW W W W W
TRANSP WIND SPD.5 5 7 7 7 7 8 9 10 9 8 8
CEILING (KFT)...2.2 1.9 2.1 3.0 4.8 7.5 12 16 20 20 20 18
VISIBILITY (SM).10 10 10 10 10 10 10 10 10 10 10 10
FORECASTER...HALL
REQUESTED BY...CLACKAMAS COUNTY 911
TYPE OF REQUEST...HAZMAT
.TAG 2620610.0/PQR
.DELDT 08/26/26
.FORMATTERVERSION 2.0.0
.EMAIL CLACKEMDUTYOFFICER@CLACKAMAS.US,MORGAN.WEST@CLACKAMASFIRE.COM,CCOMSUPS@CLACKAMAS.US,JMALTMAN@CLACKAMAS.US
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