NBM Guidance for PORTLAND WFO (KPQR)
45.5606N 122.5369W
Elevation 23 ft
HOURLY TO 24 HOURS:
KPQR NBM V5.0 NBH GUIDANCE 8/28/2026 1700 UTC
UTC 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 Time (UTC)
PDT 11 12 13 14 15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 Time (PDT)
TMP 67 70 72 75 76 77 77 75 73 70 66 64 62 61 59 58 58 57 57 57 57 58 58 60 63 Temperature(F)
TSD 1 1 1 1 2 2 2 2 2 1 1 1 1 1 2 2 2 1 1 2 2 2 2 2 2 SD of temp(F)
DPT 56 56 56 56 55 54 54 53 52 52 52 52 52 52 52 52 52 52 52 52 52 53 54 54 54 Dew point temp(F)
DSD 1 1 1 1 1 1 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 Dew point temp SD(F)
WBG 65 68 70 71 71 70 69 67 66 63 61 60 59 57 56 56 55 55 55 55 55 56 57 58 61 Wet bulb temp(F)
SKY 21 22 24 21 17 9 17 13 10 24 24 45 52 44 31 35 60 69 59 83 89 88 84 67 62 Sky cover(%)
SSD 23 17 21 14 19 11 17 16 10 25 28 32 33 37 27 27 31 21 23 21 14 19 31 31 24 Sky cover SD(%)
WDR 31 30 30 31 30 31 32 32 32 32 32 32 32 30 29 29 27 21 19 20 20 21 23 23 24 Wind dir (deg)
WSP 3 4 5 6 6 6 7 7 8 8 7 7 5 5 4 3 3 2 2 3 3 4 4 4 4 Wind spd (kts)
WSD 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 1 1 1 1 1 1 1 1 1 Wind spd SD(kts)
GST 6 7 9 10 10 11 12 14 15 15 15 13 11 10 8 6 5 4 5 6 7 7 7 8 8 Wind gust(kts)
GSD 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 2 2 2 3 3 3 2 Wind gust SD(kts)
P01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 4 8 4 8 3 3 1-hr PoP(%)
P06 0 0 1 14 6-hr PoP(%)
Q01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1-hr QPF (.01")
T01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1-hr tstm prob(%)
PZR 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Cond prob ZR(%)
PSN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Cond prob Snow(%)
PPL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Cond prob Sleet/IP(%)
PRA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 8 8 12 22 10 10 10 10 Cond prob of rain(%)
S01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1-hr snow(1/10in)
SLV 83 83 83 83 83 83 84 84 83 81 81 80 79 74 67 66 68 68 69 68 68 67 64 63 62 Snow level 100s feet MSL
I01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1-hr ice(1/100in)
CIG -88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88 45 45 45 35 35 35 35 35 35 Ceiling height*
MVC 18 11 6 2 1 0 0 0 0 0 1 3 6 8 12 15 15 15 15 18 24 29 25 22 15 Prob cig<=3000ft(%) MVFR
IFC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 1 0 0 Prob cig<1000ft(%) IFR
LIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Prob cig<500ft(%) LIFR
LCB 170160 50 80 60 45 50 50 50 50 46 50 50 60130 70 44 39 36 30 29 26 21 31 33 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
MVV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 4 2 1 1 Prob vsby<=5mi(%) MVFR
IFV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 Prob vsby<3mi(%) IFR
LIV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Prob vsby<1mi(%) LIFR
MHT 32 39 43 48 52 55 55 48 29 10 7 15 14 18 8 8 6 6 7 9 10 17 24 29 39 MixHgt 100s feet AGL
TWD 32 32 31 31 31 30 31 32 34 32 33 34 33 33 31 30 28 25 23 22 20 23 25 25 27 Transport wind dir
TWS 5 6 7 7 7 8 9 10 11 12 12 11 10 8 6 4 4 4 4 4 8 6 6 6 8 Transport wind spd(kts)
SOL 55 70 72 74 72 63 49 27 12 3 2 2 1 0 0 0 0 0 0 0 2 7 16 28 40 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
KPQR NBM V5.0 NBS GUIDANCE 8/28/2026 1700 UTC
DT /AUG 29 /AUG 30 /AUG 31
UTC 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 Time (UTC)
PDT 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 Time (PDT)
FHR 04 07 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 Forecast Hour
TXN 56 74 52 75 55 Max/Min Temp(F)
XND 2 3 3 3 3 SD of max/min temps(F)
TMP 75 77 70 62 58 57 58 63 69 71 67 59 55 54 56 63 70 73 69 62 58 55 57 Temperature(F)
TSD 1 2 1 1 2 1 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 SD of temp(F)
DPT 56 54 52 52 52 52 53 54 54 51 50 52 52 52 53 53 54 52 52 54 53 52 53 Dew point temp(F)
DSD 1 2 2 2 1 1 1 1 2 3 2 1 1 1 1 1 2 3 2 2 1 2 2 Dew point temp SD(F)
WBG 71 69 63 59 56 55 56 61 67 64 61 56 54 53 54 61 67 66 62 58 56 53 55 Wet bulb temp(F)
SKY 21 17 24 52 35 59 88 62 53 51 11 6 53 80 81 61 37 15 23 22 23 27 36 Sky cover(%)
SSD 14 17 25 33 27 23 19 24 28 28 7 9 31 31 20 25 21 16 17 19 14 18 28 Sky cover SD(%)
WDR 31 32 32 32 29 19 21 24 28 31 32 32 28 21 23 30 32 34 34 34 36 1 36 Wind dir (deg)
WSP 6 7 8 5 3 2 4 4 5 7 6 3 1 1 1 3 5 6 4 2 3 2 2 Wind spd (kts)
WSD 1 1 1 1 2 1 1 1 2 2 2 1 1 1 1 1 2 1 1 1 1 1 1 Wind spd SD(kts)
GST 10 12 15 11 6 5 7 8 9 13 12 7 3 2 3 5 9 12 8 5 5 4 3 Wind gust(kts)
GSD 2 2 2 3 3 2 3 2 3 3 3 2 2 1 1 2 3 3 2 3 2 1 1 Wind gust SD(kts)
P06 0 0 1 14 20 1 0 0 0 0 0 6-hr PoP(%)
P12 0 26 1 0 0 12-hr PoP(%)
Q06 0 0 0 0 0 0 0 0 0 0 0 6-hr QPF(.01in)
Q12 0 0 0 0 0 12-hr QPF(.01in)
DUR 0 3 0 0 0 Duration of precip(hrs)
T03 0 0 0 0 0 0 1 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 3-hr Tstm prob(%)
T06 0 0 1 3 6 0 0 1 0 0 0 6-hr Tstm prob(%)
T12 1 6 0 1 0 12-hr Tstm prob(%)
PZR 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Cond prob ZR(%)
PSN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Cond prob Snow(%)
PPL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Cond prob Sleet/IP(%)
PRA 0 0 0 0 0 8 10 10 9 22 0 0 0 0 0 0 0 0 0 0 0 0 0 Cond prob of rain(%)
S06 0 0 0 0 0 0 0 0 0 0 0 6-hr snow(1/10in)
SLV 83 84 81 79 66 69 67 62 67 70 67 65 65 65 76 78 93 97 95 96 98 99 98 Snow level 100s feet MSL
I06 0 0 0 0 0 0 0 0 0 0 0 6-hr ice(1/100in)
CIG -88-88-88-88-88 45 35 35-88-88-88-88-88 39 42130-88-88-88-88-88-88-88 Ceiling height*
IFC 0 0 0 0 0 0 3 0 0 0 0 0 2 4 10 1 0 0 0 0 3 7 18 Prob cig<1000ft(%) IFR
LCB 80 50 50 50 70 36 26 33 60 60110100 14 14 17 28 70 70120140130140120 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
IFV 0 0 0 0 0 0 1 0 0 0 0-99-99-99-99-99-99-99-99-99-99-99-99 Prob vsby<3mi(%) IFR
MHT 48 55 10 14 8 7 17 39 54 54 18 9 6 6 15 35 40 41 14 6 5 4 7 MixHgt 100s feet AGL
TWD 31 31 32 33 30 23 23 27 28 30 31 32 31 31 27 31 32 34 34 34 36 1 1 Transport wind dir
TWS 7 9 12 10 4 4 6 8 8 10 11 6 4 3 3 4 6 8 6 6 4 3 4 Transport wind spd(kts)
SOL 74 49 3 1 0 0 7 40 60 37 3 2 0 0 2 24 74 56 18 9 0 0 4 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
KPQR NBM V5.0 NBE GUIDANCE 8/28/2026 1700 UTC
SAT 29 |SUN 30 |MON 31 |TUE 01 |WED 02 |THU 03 |FRI 04 |SAT 05 CLIMO
UTC 12| 00 12| 00 12| 00 12| 00 12| 00 12| 00 12| 00 12 Time (UTC)
PDT 05 17 05 17 05 17 05 17 05 17 05 17 05 17 05 Time (PDT)
FHR 19| 31 43| 55 67| 79 91|103 115|127 139|151 163|175 187 Forecast Hour
TXN 56| 74 52| 75 55| 83 58| 77 57| 68 55| 70 53| 73 54 54 78 Max/Min Temp(F)
XND 2| 3 3| 3 3| 4 2| 4 3| 6 3| 5 4| 6 3 SD of max/min temps(F)
TMP 57| 71 54| 73 55| 81 59| 75 59| 65 58| 68 56| 72 56 Temperature(F)
TSD 1| 2 2| 2 2| 4 2| 5 2| 6 2| 5 3| 6 3 SD of temp(F)
DPT 52| 51 52| 52 52| 53 54| 55 54| 58 54| 57 53| 56 52 Dew point temp(F)
DSD 1| 3 1| 3 2| 3 1| 3 2| 4 2| 4 2| 4 3 Dew point temp SD(F)
WBG 55| 64 53| 66 53| 71 57| 68 57| 63 57| 64 54| 66 54 Wet bulb temp(F)
SKY 59| 51 80| 15 27| 37 70| 45 82| 84 76| 62 58| 32 50 Sky cover(%)
SSD 23| 28 31| 16 18| 28 25| 22 24| 11 17| 19 31| 16 24 Sky cover SD(%)
WDR 19| 31 21| 34 1| 32 18| 25 19| 20 18| 27 0| 35 23 Wind dir (deg)
WSP 2| 7 1| 6 2| 5 2| 6 8| 7 6| 5 2| 4 2 Wind spd (kts)
WSD 1| 2 1| 1 1| 2 1| 2 3| 2 3| 2 2| 2 2 Wind spd SD(kts)
GST 5| 13 2| 12 4| 8 3| 11 18| 16 15| 9 4| 7 4 Wind gust(kts)
GSD 2| 3 1| 3 1| 3 3| 4 7| 7 6| 6 4| 4 3 Wind gust SD(kts)
P12 0| 26 1| 0 0| 0 4| 20 32| 71 88| 64 45| 32 21 -99-99 12-hr PoP(%)
Q12 0| 0 0| 0 0| 0 0| 0 2| 46 41| 20 10| 9 0 12-hr QPF(.01in)
Q24 | 0| 0| 0| 2| 87| 30| 9 28 24-hr QPF(.01in)
DUR 0| 3 0| 0 0| 0 0| 0 1| 7 6| 4 3| 3 0 Duration of precip(hrs)
T12 1| 6 0| 1 0| 0 1| 7 9| 12 12| 14 9| 11 5 12-hr Tstm prob(%)
PZR 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0 Cond prob ZR(%)
PSN 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0 Cond prob Snow(%)
PPL 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0 Cond prob Sleet/IP(%)
PRA 8| 22 0| 0 0| 2 11| 21 57| 81 76| 66 31| 23 16 Cond prob of rain(%)
S12 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0 12-hr snow(1/10in)
S24 | 0| 0| 0| 0| 0| 0| 0 24-hr snow(1/10in)
SLV 69| 70 65| 97 99| 97 94| 88 81| 80 68| 71 69| 77 77 Snow level 100s feet MSL
I12 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 4| 33 0| 39 7| 42 6| 42 3| 7 7| 25 5| 40 4 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
KPQR NBM V5.0 NBX GUIDANCE 8/28/2026 1700 UTC
SUN 06| MON 07| TUE 08
UTC 00 12 |00 12 |00 12 Time (UTC)
PDT 17 05 |17 05 |17 05 Time (PDT)
FHR 199 211|223 235|247 259 Forecast Hour
TXN 77 56| 80 58| 82 59 Max/Min Temp(F)
XND 7 3| 8 3| 8 5 SD of max/min temps(F)
TMP 75 58| 79 59| 80 60 Temperature(F)
TSD 7 3| 8 4| 9 4 SD of temp(F)
DPT 55 52| 56 53| 56 53 Dew point temp(F)
DSD 5 4| 6 4| 5 4 Dew point temp SD(F)
WBG 68 55| 70 56| 72 57 Wet bulb temp(F)
SKY 41 38| 28 53| 31 48 Sky cover(%)
SSD 33 31| 18 15| 25 6 Sky cover SD(%)
WDR 32 5| 35 4| 33 36 Wind dir (deg)
WSP 5 3| 5 2| 5 2 Wind spd (kts)
WSD 2 2| 2 2| 2 2 Wind spd SD(kts)
GST 9 4| 9 4| 9 4 Wind gust(kts)
GSD 4 4| 4 3| 5 4 Wind gust SD(kts)
P12 17 11| 9 5| 7 5 12-hr PoP(%)
Q12 0 0| 0 0| 0 0 12-hr QPF(.01in)
Q24 0| 0| 0 24-hr QPF(.01in)
DUR 0 0| 0 0| 0 0 Duration of precip(hrs)
PZR 0 0| 0 0| 0 0 Cond prob ZR(%)
PSN 0 0| 0 0| 0 0 Cond prob Snow(%)
PPL 0 0| 0 0| 0 0 Cond prob Sleet/IP(%)
PRA 15 10| 9 4| 4 8 Cond prob of rain(%)
S12 0 0| 0 0| 0 0 12-hr snow(1/10in)
S24 0| 0| 0 24-hr snow(1/10in)
SLV 83 83| 86 88| 92 92 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 14 12| 26 16| 23 10 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
KPQR NBM V5.0 NBP GUIDANCE 8/28/2026 1300 UTC
SAT 29| SUN 30| MON 31| TUE 01| WED 02| THU 03| FRI 04| SAT 05| SUN 06|
UTC 12| 00 12| 00 12| 00 12| 00 12| 00 12| 00 12| 00 12| 00 12| 00 Time (UTC)
PDT 05| 17 05| 17 05| 17 05| 17 05| 17 05| 17 05| 17 05| 17 05| 17 Time (PDT)
FHR 23| 35 47| 59 71| 83 95|107 119|131 143|155 167|179 191|203 215|227 Forecast Hour
TXNMN 56| 74 52| 75 55| 83 58| 77 57| 68 55| 70 53| 73 54| 77 56| 77 Mean min/max temp(F)
TXNSD 2| 3 3| 3 3| 4 2| 4 3| 6 3| 5 4| 6 3| 7 3| 7 SD min/max temp(F)
TXNP1 54| 71 49| 72 51| 78 55| 72 54| 60 49| 65 48| 66 49| 69 54| 69 10th percentile min/max temp(F)
TXNP2 55| 72 50| 73 53| 80 56| 75 55| 64 54| 67 49| 70 53| 72 55| 72 25th percentile min/max temp(F)
TXNP5 56| 73 52| 76 55| 84 58| 78 57| 69 55| 70 54| 72 55| 76 56| 76 50th percentile min/max temp(F)
TXNP7 58| 77 54| 78 58| 85 60| 80 58| 72 56| 72 56| 76 56| 81 59| 81 75th percentile min/max temp(F)
TXNP9 58| 78 57| 79 59| 87 61| 82 60| 76 58| 76 58| 81 58| 86 61| 86 90th percentile min/max temp(F)
WSPP1 1| 4 0| 4 1| 3 1| 3 3| 3 1| 2 1| 2 1| 3 1| 2 10th percentile wnd(kts)
WSPP2 2| 5 1| 5 2| 3 1| 4 4| 4 3| 3 1| 3 2| 3 2| 3 25th percentile wnd(kts)
WSPP5 2| 6 1| 6 2| 5 2| 5 6| 6 5| 4 2| 4 2| 5 2| 5 50th percentile wnd(kts)
WSPP7 3| 7 2| 7 3| 6 3| 7 8| 8 6| 6 3| 5 3| 6 4| 7 75th percentile wnd(kts)
WSPP9 4| 8 3| 7 3| 7 4| 8 9| 9 9| 7 6| 6 5| 8 6| 8 90th percentile wnd(kts)
W24P1 | 8 | 7 | 6 | 6 | 6 | 7 | 5 | 5 | 5 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 9 | 8 | 7 | 7 | 7 | 9 | 6 | 5 | 6 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 10 | 9 | 7 | 8 | 9 | 10 | 8 | 7 | 7 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 11 | 10 | 8 | 9 | 10 | 11 | 10 | 8 | 9 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 11 | 10 | 9 | 10 | 11 | 13 | 11 | 9 | 10 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 17 | 15 | 12 | 12 | 13 | 16 | 12 | 10 | 11 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 18 | 16 | 14 | 14 | 15 | 18 | 14 | 11 | 13 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 19 | 18 | 15 | 17 | 17 | 21 | 17 | 14 | 15 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 21 | 19 | 17 | 18 | 19 | 24 | 21 | 17 | 18 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 22 | 21 | 18 | 20 | 21 | 29 | 24 | 19 | 21 90th percentile 24hr wnd gust exceedance(kts)
Q24P1 | 0| 0| 0| 0| 2| 0| 0| 0| 10th percentile 24hr QPF(1/100in)
Q24P2 | 0| 0| 0| 0| 58| 0| 0| 0| 25th percentile 24hr QPF(1/100in)
Q24P5 | 0| 0| 0| 0| 108| 27| 0| 0| 50th percentile 24hr QPF(1/100in)
Q24P7 | 0| 0| 0| 8| 129| 71| 17| 0| 75th percentile 24hr QPF(1/100in)
Q24P9 | 1| 0| 0| 20| 151| 109| 55| 36| 90th percentile 24hr QPF(1/100in)
S24P1 | 0| 0| 0| 0| 0| 0| 0| 0| 10th percentile 24hr snow accum(1/10in)
S24P2 | 0| 0| 0| 0| 0| 0| 0| 0| 25th percentile 24hr snow accum(1/10in)
S24P5 | 0| 0| 0| 0| 0| 0| 0| 0| 50th percentile 24hr snow accum(1/10in)
S24P7 | 0| 0| 0| 0| 0| 0| 0| 0| 75th percentile 24hr snow accum(1/10in)
S24P9 | 0| 0| 0| 0| 0| 0| 0| 0| 90th percentile 24hr snow accum(1/10in)
I24P1 | 0| 0| 0| 0| 0| 0| 0| 0| 10th percentile 24hr ice accum(1/100in)
I24P2 | 0| 0| 0| 0| 0| 0| 0| 0| 25th percentile 24hr ice accum(1/100in)
I24P5 | 0| 0| 0| 0| 0| 0| 0| 0| 50th percentile 24hr ice accum(1/100in)
I24P7 | 0| 0| 0| 0| 0| 0| 0| 0| 75th percentile 24hr ice accum(1/100in)
I24P9 | 0| 0| 0| 0| 0| 0| 0| 0| 90th percentile 24hr ice accum(1/100in)
SLPP1 017|016 018|013 012|008 011|009 010|009 010|011 012|010 012|011 012|008 10th percentile MSLP(mb)
SLPP2 018|016 019|015 013|009 012|010 012|011 011|012 014|014 016|013 014|012 25th percentile MSLP(mb)
SLPP5 018|017 020|016 014|010 013|011 013|012 013|014 016|016 018|015 017|014 50th percentile MSLP(mb)
SLPP7 019|018 020|017 015|011 014|012 015|014 016|016 019|018 019|018 019|016 75th percentile MSLP(mb)
SLPP9 019|018 021|018 016|012 015|013 016|016 019|017 020|019 021|019 020|017 90th percentile MSLP(mb)