NBM Guidance for HILLSBORO/PORTLAND (KHIO)
45.5476N 122.9557W
Elevation 194 ft
HOURLY TO 24 HOURS:
KHIO NBM V5.0 NBH GUIDANCE 8/27/2026 1600 UTC
UTC 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 Time (UTC)
PDT 10 11 12 13 14 15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 Time (PDT)
TMP 65 68 70 72 73 75 75 75 74 72 69 65 63 61 59 58 57 57 56 56 54 54 58 62 65 Temperature(F)
TSD 1 2 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 SD of temp(F)
DPT 53 53 53 53 53 53 53 53 53 53 52 53 54 54 54 54 54 54 53 53 52 53 54 53 53 Dew point temp(F)
DSD 1 1 1 1 2 2 1 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Dew point temp SD(F)
WBG 61 65 67 68 70 69 68 67 67 65 62 60 59 58 57 56 56 55 54 54 53 54 56 59 62 Wet bulb temp(F)
SKY 33 38 55 57 35 35 25 15 22 29 35 33 35 42 51 58 70 85 79 86 69 70 68 54 47 Sky cover(%)
SSD 27 27 29 31 20 14 22 20 33 34 41 41 37 34 34 29 26 17 26 12 33 29 27 23 29 Sky cover SD(%)
WDR 20 20 23 24 26 28 29 29 30 31 32 32 32 33 33 32 32 31 30 31 30 31 31 33 35 Wind dir (deg)
WSP 3 3 4 4 5 5 6 6 6 6 6 5 5 4 4 4 5 5 5 4 3 2 3 3 3 Wind spd (kts)
WSD 1 1 1 1 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 Wind spd SD(kts)
GST 5 6 6 7 7 8 9 8 8 9 8 7 6 5 5 4 5 6 5 5 4 3 4 5 5 Wind gust(kts)
GSD 1 1 2 2 2 2 2 2 2 2 2 3 2 2 2 2 2 3 3 2 2 2 3 2 2 Wind gust SD(kts)
P01 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 1 1 1 1 1-hr PoP(%)
P06 1 0 1 6-hr PoP(%)
Q01 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 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 0 0 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 0 0 0 0 0 0 0 0 0 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 78 81 83 83 83 84 84 84 85 84 84 83 83 83 83 82 82 82 82 81 81 81 81 80 80 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 70-88-88-88-88-88-88-88-88-88-88-88260250250 60 60 45 45 45 45 45 Ceiling height*
MVC 4 10 8 5 4 3 3 2 2 3 3 3 3 3 6 8 9 11 14 17 18 20 22 20 17 Prob cig<=3000ft(%) MVFR
IFC 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 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 1 1 0 Prob cig<500ft(%) LIFR
LCB 60 35 37 43 48 50100160140150150140160170160240190190 60 60 45 45 45 45 45 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
MVV 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 3 2 4 5 5 3 4 Prob vsby<=5mi(%) MVFR
IFV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 2 2 1 Prob vsby<3mi(%) IFR
LIV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 Prob vsby<1mi(%) LIFR
MHT 31 39 43 48 53 55 53 49 41 28 8 6 5 4 4 3 3 3 3 4 4 5 9 19 29 MixHgt 100s feet AGL
TWD 23 23 23 25 26 26 27 28 29 31 32 33 33 34 34 34 34 34 33 33 33 33 34 35 34 Transport wind dir
TWS 6 6 7 7 8 8 8 8 8 9 9 9 8 6 7 6 5 5 5 5 5 4 5 5 4 Transport wind spd(kts)
SOL 42 46 62 59 59 65 61 49 29 13 3 2 2 2 0 0 0 0 0 0 0 2 13 26 42 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
KHIO NBM V5.0 NBS GUIDANCE 8/27/2026 1600 UTC
DT /AUG 28 /AUG 29 /AUG 30
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 05 08 11 14 17 20 23 26 29 32 35 38 41 44 47 50 53 56 59 62 65 68 71 Forecast Hour
TXN 53 78 50 74 49 Max/Min Temp(F)
XND 2 3 2 3 3 SD of max/min temps(F)
TMP 73 75 69 61 57 56 58 68 74 75 66 59 55 53 55 64 70 71 64 57 54 51 54 Temperature(F)
TSD 2 2 2 1 1 1 1 1 2 2 1 1 1 1 1 2 2 2 1 2 2 2 2 SD of temp(F)
DPT 53 53 52 54 54 53 54 53 51 50 49 52 51 50 51 51 48 47 48 50 50 49 50 Dew point temp(F)
DSD 2 2 1 1 1 1 1 1 1 2 2 1 1 1 1 2 3 3 2 1 1 1 1 Dew point temp SD(F)
WBG 70 67 62 58 56 54 56 65 69 66 59 56 54 52 54 62 66 63 58 54 52 50 53 Wet bulb temp(F)
SKY 35 15 35 42 70 86 68 37 24 9 7 24 10 69 69 51 51 31 18 15 29 53 79 Sky cover(%)
SSD 20 20 41 34 26 12 27 20 27 7 4 34 14 34 19 20 14 22 17 11 18 24 18 Sky cover SD(%)
WDR 26 29 32 33 32 31 31 35 33 32 32 31 28 27 22 24 29 31 31 32 32 30 30 Wind dir (deg)
WSP 5 6 6 4 5 4 3 3 4 8 9 5 0 0 0 3 4 8 6 3 0 0 0 Wind spd (kts)
WSD 2 2 2 2 2 2 2 2 2 2 2 3 2 1 1 2 2 2 2 3 2 1 1 Wind spd SD(kts)
GST 7 8 8 5 5 5 4 5 7 12 12 6 2 0 2 5 8 12 9 3 2 1 2 Wind gust(kts)
GSD 2 2 2 2 2 2 3 2 2 3 2 3 2 1 2 2 2 3 3 3 3 1 2 Wind gust SD(kts)
P06 1 0 1 1 1 0 0 4 24 2 0 6-hr PoP(%)
P12 0 1 0 26 2 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 0 0 0 0 Duration of precip(hrs)
T03 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 0 0 0 0 0 3-hr Tstm prob(%)
T06 2 0 0 0 0 0 0 3 5 0 0 6-hr Tstm prob(%)
T12 0 0 0 5 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 0 0 0 0 0 0 0 0 0 6 7 1 1 0 0 1 1 1 Cond prob of rain(%)
S06 0 0 0 0 0 0 0 0 0 0 0 6-hr snow(1/10in)
SLV 83 84 84 83 82 81 81 80 79 79 74 71 71 73 67 67 68 68 68 64 65 65 66 Snow level 100s feet MSL
I06 0 0 0 0 0 0 0 0 0 0 0 6-hr ice(1/100in)
CIG -88-88-88-88250 60 45-88-88-88-88-88 41 36 33 34-88-88-88-88 37 37 36 Ceiling height*
IFC 0 0 0 0 0 0 3 0 0 0 0 0 1 4 3 2 0 0 0 0 3 4 9 Prob cig<1000ft(%) IFR
LCB 48160150170190 60 45 35 70 47 47120 41 34 19 27 43 50240190 37 23 24 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
IFV 0 0 0 0 0 1 2 0 0 0 0 1 3 4 3 1 0 0 0 0 3 5 6 Prob vsby<3mi(%) IFR
MHT 53 49 8 4 3 4 9 36 52 48 10 5 2 3 11 42 68 63 14 6 4 4 11 MixHgt 100s feet AGL
TWD 26 28 32 34 34 33 34 34 31 32 32 32 31 28 24 28 30 30 32 33 33 32 2 Transport wind dir
TWS 8 8 9 6 5 5 5 5 6 9 11 7 4 3 4 6 7 9 10 6 5 4 4 Transport wind spd(kts)
SOL 59 49 3 2 0 0 13 43 72 48 3 2 0 0 10 34 47 41 9 4 0 0 4 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
KHIO NBM V5.0 NBE GUIDANCE 8/27/2026 1600 UTC
FRI 28 |SAT 29 |SUN 30 |MON 31 |TUE 01 |WED 02 |THU 03 |FRI 04 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 20| 32 44| 56 68| 80 92|104 116|128 140|152 164|176 188 Forecast Hour
TXN 53| 78 50| 74 49| 75 50| 79 52| 74 50| 70 50| 72 50 52 79 Max/Min Temp(F)
XND 2| 3 2| 3 3| 3 3| 4 2| 4 2| 6 3| 6 4 SD of max/min temps(F)
TMP 56| 75 53| 71 51| 73 52| 77 55| 72 55| 68 54| 71 53 Temperature(F)
TSD 1| 2 1| 2 2| 3 2| 5 2| 5 2| 6 3| 6 3 SD of temp(F)
DPT 53| 50 50| 47 49| 48 49| 49 52| 52 52| 54 52| 52 51 Dew point temp(F)
DSD 1| 2 1| 3 1| 2 1| 4 2| 4 2| 5 3| 5 3 Dew point temp SD(F)
WBG 54| 66 52| 63 50| 64 51| 68 54| 66 54| 64 54| 64 52 Wet bulb temp(F)
SKY 86| 9 69| 31 53| 32 40| 48 63| 42 72| 55 60| 47 39 Sky cover(%)
SSD 12| 7 34| 22 24| 25 26| 23 24| 18 22| 26 31| 18 25 Sky cover SD(%)
WDR 31| 32 27| 31 30| 36 34| 30 24| 25 19| 24 21| 27 30 Wind dir (deg)
WSP 4| 8 0| 8 0| 6 0| 3 0| 6 5| 7 2| 6 2 Wind spd (kts)
WSD 2| 2 1| 2 1| 2 2| 3 2| 3 4| 3 4| 3 3 Wind spd SD(kts)
GST 5| 12 0| 12 1| 8 2| 4 0| 8 5| 11 2| 10 2 Wind gust(kts)
GSD 2| 3 1| 3 1| 3 2| 3 3| 4 6| 7 5| 6 4 Wind gust SD(kts)
P12 0| 1 0| 26 2| 1 1| 2 8| 29 28| 51 49| 42 29 0 16 12-hr PoP(%)
Q12 0| 0 0| 0 0| 0 0| 0 0| 4 0| 19 11| 16 4 12-hr QPF(.01in)
Q24 | 0| 0| 0| 0| 4| 30| 20 21 24-hr QPF(.01in)
DUR 0| 0 0| 0 0| 0 0| 0 0| 1 0| 4 3| 4 1 Duration of precip(hrs)
T12 0| 0 0| 5 0| 0 1| 1 2| 11 5| 10 7| 13 7 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 0| 0 0| 1 1| 1 0| 6 23| 20 25| 53 28| 33 26 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 81| 79 73| 68 65| 88 91| 91 86| 82 80| 83 75| 77 73 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| 43 1| 33 3| 39 7| 41 4| 30 4| 8 0| 12 4 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
KHIO NBM V5.0 NBX GUIDANCE 8/27/2026 1600 UTC
SAT 05| SUN 06| MON 07
UTC 00 12 |00 12 |00 12 Time (UTC)
PDT 17 05 |17 05 |17 05 Time (PDT)
FHR 200 212|224 236|248 260 Forecast Hour
TXN 74 50| 78 53| 81 53 Max/Min Temp(F)
XND 8 4| 8 4| 8 4 SD of max/min temps(F)
TMP 73 54| 77 55| 79 56 Temperature(F)
TSD 8 4| 8 4| 8 4 SD of temp(F)
DPT 52 50| 51 50| 52 50 Dew point temp(F)
DSD 5 4| 5 5| 6 5 Dew point temp SD(F)
WBG 66 51| 68 53| 69 54 Wet bulb temp(F)
SKY 23 36| 25 46| 23 37 Sky cover(%)
SSD 25 29| 14 14| 10 16 Sky cover SD(%)
WDR 32 33| 35 36| 35 35 Wind dir (deg)
WSP 6 0| 4 0| 4 0 Wind spd (kts)
WSD 3 3| 3 3| 3 3 Wind spd SD(kts)
GST 10 1| 7 1| 7 1 Wind gust(kts)
GSD 6 3| 5 4| 5 3 Wind gust SD(kts)
P12 30 16| 12 18| 15 12 12-hr PoP(%)
Q12 3 2| 0 3| 0 0 12-hr QPF(.01in)
Q24 5| 3| 0 24-hr QPF(.01in)
DUR 1 1| 0 1| 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 25 8| 15 11| 16 11 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 78 76| 82 80| 83 85 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 14 12| 26 17| 30 18 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
KHIO NBM V5.0 NBP GUIDANCE 8/27/2026 1300 UTC
FRI 28| SAT 29| SUN 30| MON 31| TUE 01| WED 02| THU 03| FRI 04| SAT 05|
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 53| 78 50| 74 49| 75 50| 79 52| 74 50| 70 50| 72 50| 74 50| 74 Mean min/max temp(F)
TXNSD 2| 3 2| 3 3| 3 3| 4 2| 4 3| 6 3| 6 4| 8 4| 8 SD min/max temp(F)
TXNP1 50| 74 48| 71 46| 71 47| 74 49| 69 48| 62 47| 66 44| 65 47| 65 10th percentile min/max temp(F)
TXNP2 51| 76 48| 72 46| 73 48| 76 50| 71 49| 67 49| 68 47| 68 48| 68 25th percentile min/max temp(F)
TXNP5 52| 78 49| 73 48| 75 49| 79 52| 74 50| 71 51| 71 49| 73 50| 73 50th percentile min/max temp(F)
TXNP7 55| 80 52| 76 51| 78 53| 82 54| 78 52| 74 52| 75 52| 79 52| 79 75th percentile min/max temp(F)
TXNP9 55| 82 53| 78 52| 79 54| 85 55| 80 54| 78 54| 80 55| 87 56| 87 90th percentile min/max temp(F)
WSPP1 0| 6 0| 5 0| 2 0| 0 0| 0 0| 2 0| 0 0| 0 0| 0 10th percentile wnd(kts)
WSPP2 2| 7 0| 7 0| 4 0| 0 0| 3 0| 3 0| 4 0| 3 0| 2 25th percentile wnd(kts)
WSPP5 3| 8 0| 8 0| 6 0| 3 0| 6 2| 6 1| 6 1| 6 0| 4 50th percentile wnd(kts)
WSPP7 5| 9 0| 9 1| 7 2| 5 0| 8 6| 8 3| 8 5| 8 4| 7 75th percentile wnd(kts)
WSPP9 6| 10 1| 10 3| 8 3| 7 4| 9 10| 10 10| 10 7| 10 7| 9 90th percentile wnd(kts)
W24P1 | 8 | 10 | 9 | 6 | 6 | 6 | 7 | 6 | 7 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 9 | 12 | 10 | 8 | 7 | 8 | 8 | 8 | 8 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 10 | 13 | 12 | 9 | 9 | 10 | 11 | 11 | 10 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 11 | 14 | 13 | 10 | 10 | 12 | 15 | 13 | 12 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 12 | 15 | 14 | 11 | 12 | 14 | 17 | 17 | 15 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 10 | 14 | 12 | 8 | 8 | 8 | 10 | 8 | 9 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 12 | 17 | 14 | 10 | 9 | 10 | 12 | 12 | 11 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 13 | 18 | 16 | 13 | 12 | 14 | 16 | 16 | 16 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 16 | 20 | 18 | 15 | 15 | 18 | 22 | 21 | 20 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 17 | 22 | 20 | 17 | 17 | 20 | 29 | 25 | 24 90th percentile 24hr wnd gust exceedance(kts)
Q24P1 | 0| 0| 0| 0| 0| 0| 0| 0| 10th percentile 24hr QPF(1/100in)
Q24P2 | 0| 0| 0| 0| 0| 0| 0| 0| 25th percentile 24hr QPF(1/100in)
Q24P5 | 0| 0| 0| 0| 0| 17| 0| 0| 50th percentile 24hr QPF(1/100in)
Q24P7 | 0| 0| 0| 0| 12| 68| 36| 10| 75th percentile 24hr QPF(1/100in)
Q24P9 | 0| 8| 0| 0| 30| 100| 86| 33| 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|014 017|015 017|011 011|007 010|010 013|010 011|012 013|011 013|011 10th percentile MSLP(mb)
SLPP2 018|014 018|016 018|013 012|009 012|012 014|013 015|014 015|014 015|012 25th percentile MSLP(mb)
SLPP5 018|015 018|017 019|015 013|010 013|013 016|015 018|016 017|016 017|014 50th percentile MSLP(mb)
SLPP7 018|015 019|018 020|017 015|011 015|014 017|017 019|019 020|018 019|016 75th percentile MSLP(mb)
SLPP9 019|016 019|019 021|018 016|012 016|014 018|018 022|021 022|019 021|018 90th percentile MSLP(mb)