NBM Guidance for ONTARIO (KONO)
44.0142N 117.0081W
Elevation 2182 ft
HOURLY TO 24 HOURS:
KONO NBM V5.0 NBH GUIDANCE 8/27/2026 1500 UTC
UTC 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 Time (UTC)
PDT 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 Time (PDT)
TMP 75 80 84 87 90 93 94 94 93 91 87 80 76 73 71 69 68 66 66 65 64 62 63 68 72 Temperature(F)
TSD 1 1 2 2 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 2 2 2 2 SD of temp(F)
DPT 49 49 46 43 42 39 37 38 39 40 41 44 40 43 45 46 46 46 46 46 46 46 47 48 49 Dew point temp(F)
DSD 3 3 3 4 4 4 4 3 3 3 3 3 3 8 9 7 6 6 5 4 3 3 3 2 3 Dew point temp SD(F)
WBG 66 69 72 74 75 76 75 75 74 72 70 66 63 61 61 61 59 59 58 58 57 56 57 60 64 Wet bulb temp(F)
SKY 59 56 55 41 57 55 37 33 20 21 18 33 33 48 59 64 76 70 69 88 96 97 78 70 65 Sky cover(%)
SSD 25 26 20 31 27 28 35 32 28 21 26 33 31 28 28 21 23 25 22 12 7 6 23 32 32 Sky cover SD(%)
WDR 25 23 23 22 24 24 26 26 27 28 31 33 33 33 32 32 32 32 31 31 29 29 29 31 2 Wind dir (deg)
WSP 0 0 3 5 5 6 9 10 10 9 6 4 3 4 5 7 10 10 10 8 8 6 5 4 4 Wind spd (kts)
WSD 2 2 2 2 3 3 3 3 3 3 3 3 3 4 4 4 4 4 3 3 3 2 3 3 3 Wind spd SD(kts)
GST 5 6 8 10 12 14 18 19 18 14 10 7 7 7 7 10 14 16 14 12 10 9 8 7 7 Wind gust(kts)
GSD 2 2 3 3 4 5 5 5 5 5 4 3 3 5 6 6 6 6 5 4 4 3 3 3 3 Wind gust SD(kts)
P01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1-hr PoP(%)
P06 0 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 4 4 4 4 4 4 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 117111108107107111113114115115116115116115114114115117117116115116114113114 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 130-88-88-88-88-88-88-88-88-88-88-88-88-88150130230260190230210210240200190 Ceiling height*
MVC 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<=3000ft(%) MVFR
IFC 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<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 130140130130130220200210130150130120130130140130180190150180170170180160150 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 0 0 0 0 0 0 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 0 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 12 22 36 54 77 93101102 95 54 6 5 5 5 5 5 5 5 5 5 5 5 5 10 13 MixHgt 100s feet AGL
TWD 23 22 23 23 23 22 24 24 25 27 31 33 36 33 32 32 32 32 32 32 32 29 30 29 19 Transport wind dir
TWS 4 6 7 8 10 13 15 14 13 9 6 5 4 6 11 12 13 12 12 10 8 7 7 6 5 Transport wind spd(kts)
SOL 37 56 68 81 83 77 72 57 44 24 7 2 2 1 1 0 0 0 0 0 0 0 5 18 22 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
KONO NBM V5.0 NBS GUIDANCE 8/27/2026 1500 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 06 09 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60 63 66 69 72 Forecast Hour
TXN 61 87 59 86 53 Max/Min Temp(F)
XND 3 4 5 3 5 SD of max/min temps(F)
TMP 93 93 80 71 66 64 68 78 84 84 75 69 66 62 66 77 84 82 70 62 58 53 56 Temperature(F)
TSD 1 2 2 2 2 3 2 4 5 5 5 5 4 4 3 3 3 3 4 3 4 4 4 SD of temp(F)
DPT 39 39 44 45 46 46 48 48 51 56 64 59 55 53 53 50 47 48 55 46 39 40 43 Dew point temp(F)
DSD 4 3 3 9 6 3 2 4 6 7 8 6 7 7 7 6 4 6 8 9 8 5 4 Dew point temp SD(F)
WBG 76 74 66 61 59 57 60 69 75 72 70 65 61 59 62 70 73 69 63 55 51 49 52 Wet bulb temp(F)
SKY 55 20 33 59 70 96 70 72 44 48 83 76 46 16 6 12 18 32 52 40 36 15 5 Sky cover(%)
SSD 28 28 33 28 25 7 32 33 30 32 7 24 38 13 6 14 21 25 29 27 27 13 8 Sky cover SD(%)
WDR 24 27 33 32 32 29 31 16 16 14 13 11 13 29 30 25 24 27 33 32 30 30 30 Wind dir (deg)
WSP 6 10 4 5 10 8 4 3 6 8 11 9 8 6 6 5 7 11 14 12 12 10 7 Wind spd (kts)
WSD 3 3 3 4 4 3 3 3 3 4 5 5 5 4 3 2 3 3 4 4 3 3 3 Wind spd SD(kts)
GST 14 18 7 7 16 10 7 7 12 14 18 15 13 9 9 10 16 19 24 17 17 13 10 Wind gust(kts)
GSD 5 5 3 6 6 4 3 4 4 6 9 8 8 5 3 3 4 5 7 6 6 5 4 Wind gust SD(kts)
P06 0 0 1 1 2 20 22 2 1 14 7 6-hr PoP(%)
P12 0 3 30 3 15 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 0 0 0 0 0 0 0 0 1 6 7 5 3 2 2 1 2 3 3 1 1 0 0 3-hr Tstm prob(%)
T06 0 0 0 0 6 10 4 3 5 5 1 6-hr Tstm prob(%)
T12 0 6 10 5 5 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 4 4 4 1 2 25 20 14 10 0 0 8 15 23 23 2 1 1 Cond prob of rain(%)
S06 0 0 0 0 0 0 0 0 0 0 0 6-hr snow(1/10in)
SLV 110110120110120120110120120120120120110110110110110110100 99 88 80 74 Snow level 100s feet MSL
I06 0 0 0 0 0 0 0 0 0 0 0 6-hr ice(1/100in)
CIG -88-88-88150260210200170-88-88 90-88-88-88-88-88-88-88-88-88-88-88-88 Ceiling height*
IFC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 Prob cig<1000ft(%) IFR
LCB 220130120140190170160140160130 90 60110 47 35 70 80150100130250250230 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
IFV 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 0 0 0 0 0 0 0 Prob vsby<3mi(%) IFR
MHT 93 95 5 5 5 5 10 33 75 73 5 5 5 5 12 50106 97 5 5 5 5 12 MixHgt 100s feet AGL
TWD 22 25 33 32 32 32 29 19 19 16 14 14 15 28 31 26 24 27 33 33 31 31 31 Transport wind dir
TWS 13 13 5 11 12 8 6 6 10 11 11 9 8 6 7 6 12 16 14 12 12 10 7 Transport wind spd(kts)
SOL 77 44 2 1 0 0 18 54 68 34 0 0 0 0 18 53 81 56 11 6 0 0 7 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
KONO NBM V5.0 NBE GUIDANCE 8/27/2026 1500 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 21| 33 45| 57 69| 81 93|105 117|129 141|153 165|177 189 Forecast Hour
TXN 61| 87 59| 86 53| 78 50| 87 55| 87 52| 82 51| 79 49 52 86 Max/Min Temp(F)
XND 3| 4 5| 3 5| 5 6| 5 6| 4 5| 7 5| 8 6 SD of max/min temps(F)
TMP 64| 84 62| 82 53| 76 52| 84 57| 84 56| 80 55| 77 53 Temperature(F)
TSD 3| 5 4| 3 4| 4 3| 4 4| 4 4| 7 4| 9 6 SD of temp(F)
DPT 46| 56 53| 48 40| 38 36| 41 41| 41 42| 43 43| 47 45 Dew point temp(F)
DSD 3| 7 7| 6 5| 6 6| 6 7| 8 7| 8 7| 9 7 Dew point temp SD(F)
WBG 57| 72 59| 69 49| 64 46| 70 51| 69 51| 67 51| 66 50 Wet bulb temp(F)
SKY 96| 48 16| 32 15| 6 10| 18 48| 31 40| 50 30| 36 23 Sky cover(%)
SSD 7| 32 13| 25 13| 23 13| 12 29| 26 26| 16 19| 27 21 Sky cover SD(%)
WDR 29| 14 29| 27 30| 6 35| 5 28| 25 29| 23 29| 27 30 Wind dir (deg)
WSP 8| 8 6| 11 10| 0 0| 1 3| 8 4| 9 4| 8 5 Wind spd (kts)
WSD 3| 4 4| 3 3| 3 2| 3 3| 4 3| 4 4| 5 3 Wind spd SD(kts)
GST 10| 14 9| 19 13| 6 3| 7 5| 17 6| 18 6| 17 6 Wind gust(kts)
GSD 4| 6 5| 5 5| 4 2| 4 3| 7 5| 6 5| 7 5 Wind gust SD(kts)
P12 0| 3 30| 3 15| 3 0| 0 1| 1 3| 8 7| 12 14 5 0 12-hr PoP(%)
Q12 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 1 0 12-hr QPF(.01in)
Q24 | 0| 0| 0| 0| 0| 0| 1 5 24-hr QPF(.01in)
DUR 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0 Duration of precip(hrs)
T12 0| 6 10| 5 5| 0 1| 1 2| 3 5| 4 5| 5 6 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 4| 2 10| 15 1| 1 0| 0 0| 1 3| 7 7| 9 9 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 115|125 108|105 80| 89 98|107 107|103 95| 98 94| 99 94 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 3| 40 0| 52 4| 49 5| 48 4| 45 5| 43 2| 47 5 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
KONO NBM V5.0 NBX GUIDANCE 8/27/2026 1500 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 201 213|225 237|249 261 Forecast Hour
TXN 78 47| 79 50| 81 51 Max/Min Temp(F)
XND 9 7| 9 7| 10 7 SD of max/min temps(F)
TMP 75 52| 78 52| 78 53 Temperature(F)
TSD 10 6| 9 6| 9 7 SD of temp(F)
DPT 47 44| 46 45| 47 45 Dew point temp(F)
DSD 11 7| 10 8| 11 9 Dew point temp SD(F)
WBG 65 49| 67 49| 67 50 Wet bulb temp(F)
SKY 20 22| 27 27| 21 21 Sky cover(%)
SSD 15 16| 21 15| 12 10 Sky cover SD(%)
WDR 30 30| 33 31| 35 33 Wind dir (deg)
WSP 5 4| 3 1| 1 0 Wind spd (kts)
WSD 4 4| 4 3| 3 3 Wind spd SD(kts)
GST 12 6| 8 4| 7 4 Wind gust(kts)
GSD 7 6| 5 4| 5 4 Wind gust SD(kts)
P12 12 9| 5 13| 11 13 12-hr PoP(%)
Q12 0 0| 0 3| 0 0 12-hr QPF(.01in)
Q24 0| 3| 0 24-hr QPF(.01in)
DUR 0 0| 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 9 5| 4 10| 13 5 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 96 90| 94 92| 97 97 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 19 17| 33 17| 33 19 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
KONO 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 61| 87 59| 86 53| 78 50| 87 55| 87 52| 82 51| 79 49| 78 47| 78 Mean min/max temp(F)
TXNSD 3| 4 5| 3 5| 5 6| 5 6| 4 5| 7 5| 8 6| 9 7| 9 SD min/max temp(F)
TXNP1 58| 81 52| 81 46| 72 42| 80 47| 81 45| 74 44| 69 42| 66 39| 66 10th percentile min/max temp(F)
TXNP2 59| 86 55| 85 50| 75 45| 85 52| 85 49| 77 47| 72 44| 70 42| 70 25th percentile min/max temp(F)
TXNP5 61| 88 60| 87 55| 78 48| 88 55| 88 52| 82 52| 78 48| 75 46| 75 50th percentile min/max temp(F)
TXNP7 63| 90 64| 89 56| 83 55| 91 61| 90 57| 87 55| 87 53| 86 53| 86 75th percentile min/max temp(F)
TXNP9 64| 92 65| 89 58| 86 57| 91 63| 91 59| 90 57| 90 57| 90 57| 90 90th percentile min/max temp(F)
WSPP1 4| 1 0| 5 4| 0 0| 0 0| 1 0| 3 0| 0 0| 0 0| 0 10th percentile wnd(kts)
WSPP2 5| 4 2| 8 6| 0 0| 0 0| 4 0| 5 1| 4 2| 2 0| 0 25th percentile wnd(kts)
WSPP5 7| 7 5| 10 8| 2 0| 3 4| 7 4| 8 4| 8 4| 5 4| 3 50th percentile wnd(kts)
WSPP7 9| 11 8| 11 10| 4 3| 5 6| 10 7| 10 6| 11 8| 8 7| 6 75th percentile wnd(kts)
WSPP9 10| 13 10| 13 11| 6 4| 7 8| 13 9| 12 9| 14 9| 12 10| 10 90th percentile wnd(kts)
W24P1 | 9 | 13 | 14 | 10 | 5 | 9 | 9 | 8 | 7 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 12 | 15 | 17 | 12 | 7 | 11 | 12 | 11 | 10 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 14 | 18 | 19 | 15 | 9 | 15 | 16 | 15 | 12 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 18 | 22 | 22 | 17 | 12 | 19 | 20 | 20 | 17 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 21 | 25 | 25 | 20 | 17 | 24 | 23 | 24 | 23 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 15 | 20 | 22 | 13 | 10 | 14 | 15 | 14 | 11 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 19 | 24 | 27 | 19 | 11 | 18 | 19 | 18 | 16 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 23 | 29 | 31 | 25 | 14 | 24 | 25 | 24 | 19 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 26 | 34 | 34 | 28 | 19 | 31 | 31 | 30 | 29 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 29 | 39 | 40 | 31 | 27 | 36 | 36 | 36 | 34 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| 0| 0| 0| 50th percentile 24hr QPF(1/100in)
Q24P7 | 3| 0| 0| 0| 0| 0| 0| 0| 75th percentile 24hr QPF(1/100in)
Q24P9 | 14| 2| 0| 0| 0| 0| 6| 4| 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 011|006 010|004 011|006 008|002 006|002 010|006 011|004 008|007 010|007 10th percentile MSLP(mb)
SLPP2 011|007 011|005 013|008 010|003 008|005 011|008 012|008 011|009 013|009 25th percentile MSLP(mb)
SLPP5 012|008 011|006 014|010 012|005 009|006 013|010 014|010 014|011 016|012 50th percentile MSLP(mb)
SLPP7 012|010 012|008 016|013 016|008 011|008 014|012 017|013 017|014 017|014 75th percentile MSLP(mb)
SLPP9 013|010 013|009 018|014 018|010 013|009 015|013 018|015 021|016 020|016 90th percentile MSLP(mb)