NBM Guidance for BONNEVILLE (BONO3)
45.6333N 121.9500W
Elevation 371 ft
HOURLY TO 24 HOURS:
BONO3 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 61 62 64 66 68 71 72 73 73 73 72 69 66 65 63 61 60 60 59 58 57 57 56 58 61 Temperature(F)
TSD 1 1 1 1 1 1 1 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 SD of temp(F)
DPT 57 57 57 56 55 54 54 55 55 55 55 55 55 56 56 55 55 55 55 55 54 54 54 55 56 Dew point temp(F)
DSD 1 1 2 1 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 Dew point temp SD(F)
WBG 60 61 63 65 67 68 68 67 66 66 65 63 62 61 59 58 58 58 57 57 56 55 56 57 59 Wet bulb temp(F)
SKY 69 54 35 17 10 10 13 14 12 8 15 21 32 33 16 9 20 31 43 50 57 77 61 43 40 Sky cover(%)
SSD 24 28 30 20 15 17 17 18 18 10 17 23 36 34 24 15 26 34 28 28 31 26 27 26 33 Sky cover SD(%)
WDR 25 26 26 26 26 26 26 26 26 26 26 26 24 24 25 23 24 24 24 23 24 23 23 24 25 Wind dir (deg)
WSP 8 9 10 11 12 13 13 13 12 10 9 7 6 5 4 4 4 4 4 4 4 4 5 6 6 Wind spd (kts)
WSD 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 Wind spd SD(kts)
GST 15 17 19 20 21 22 22 21 20 18 16 13 11 9 9 8 8 8 8 8 8 9 9 11 12 Wind gust(kts)
GSD 2 3 3 3 3 3 3 3 3 2 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 Wind gust SD(kts)
P01 2 4 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 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 12 12 12 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 75 73 73 75 78 80 81 82 83 83 83 83 83 83 83 83 83 82 82 81 81 81 81 81 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 60-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88 45 45 35 35 35 35 Ceiling height*
MVC 10 10 6 3 0 0 0 0 0 0 0 0 1 2 2 4 7 9 13 18 22 26 30 31 26 Prob cig<=3000ft(%) MVFR
IFC 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 4 7 8 6 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 1 3 3 2 Prob cig<500ft(%) LIFR
LCB 17 28 70 70 80120140 90100200190110120120130190210220130 45 45 35 35 35 35 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
MVV 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 3 3 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 1 1 1 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 16 21 27 34 39 43 43 45 47 41 29 6 5 5 4 4 4 4 4 4 5 4 5 11 15 MixHgt 100s feet AGL
TWD 26 26 26 26 26 26 26 27 27 27 27 28 27 26 25 25 25 24 24 25 25 25 25 25 26 Transport wind dir
TWS 10 11 12 13 13 13 13 13 13 13 11 8 6 6 5 5 6 6 6 7 7 6 6 7 7 Transport wind spd(kts)
SOL 16 27 41 65 74 76 74 64 50 29 13 3 2 2 2 0 0 0 0 0 0 0 3 17 31 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
BONO3 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 56 74 55 68 52 Max/Min Temp(F)
XND 1 2 1 4 3 SD of max/min temps(F)
TMP 71 73 69 63 60 57 58 64 70 72 68 61 59 57 56 57 63 66 62 56 54 53 54 Temperature(F)
TSD 1 2 2 1 1 1 1 1 2 2 2 1 1 1 2 4 4 3 3 2 2 3 3 SD of temp(F)
DPT 54 55 55 56 55 54 55 56 56 54 51 53 54 53 52 55 54 53 49 51 51 51 51 Dew point temp(F)
DSD 2 2 2 1 1 1 1 1 1 1 2 1 1 1 1 2 2 2 3 1 1 1 2 Dew point temp SD(F)
WBG 68 66 63 59 58 56 57 64 68 66 62 58 56 54 55 58 63 61 57 54 52 52 53 Wet bulb temp(F)
SKY 10 12 21 16 31 57 43 12 7 3 7 14 51 57 74 49 39 32 30 20 41 58 60 Sky cover(%)
SSD 17 18 23 24 34 31 26 11 5 3 6 10 34 25 10 22 17 13 17 14 21 15 18 Sky cover SD(%)
WDR 26 26 26 25 24 24 24 25 25 25 25 24 25 24 24 26 26 28 27 25 24 24 25 Wind dir (deg)
WSP 13 12 7 4 4 4 6 8 12 12 9 9 9 9 9 10 11 11 7 5 5 5 5 Wind spd (kts)
WSD 2 2 2 1 1 1 1 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2 Wind spd SD(kts)
GST 22 20 13 9 8 8 11 14 19 20 17 16 16 17 16 18 21 20 13 10 10 10 10 Wind gust(kts)
GSD 3 3 3 2 2 2 2 2 2 2 3 3 3 3 2 2 3 3 3 3 3 4 3 Wind gust SD(kts)
P06 1 0 1 1 1 0 1 18 17 7 2 6-hr PoP(%)
P12 0 1 2 34 9 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 0 0 0 0 0 0 1 1 2 0 0 0 0 0 0 3-hr Tstm prob(%)
T06 0 0 0 0 0 0 1 4 6 1 0 6-hr Tstm prob(%)
T12 0 0 1 6 1 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 4 5 8 45 15 15 12 2 2 2 2 Cond prob of rain(%)
S06 0 0 0 0 0 0 0 0 0 0 0 6-hr snow(1/10in)
SLV 78 82 83 83 83 81 81 81 81 80 79 78 75 71 68 66 66 69 73 71 68 67 68 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 35-88-88-88-88-88 48 35 38 43-88-88-88-88 44 41 38 Ceiling height*
IFC 0 0 0 0 1 2 8 0 0 0 0 0 2 7 7 0 0 0 0 0 4 7 11 Prob cig<1000ft(%) IFR
LCB 120100110130220 45 35200140180 60 23 11 35 17 8 36100 47 46 1 10 19 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
IFV 0 0 0 0 0 0 1 0 0 0 0 0 2 3 2 0 0 0 0 0 3 3 4 Prob vsby<3mi(%) IFR
MHT 43 47 6 4 4 5 11 24 33 39 6 5 5 8 17 25 43 49 7 5 5 8 12 MixHgt 100s feet AGL
TWD 26 27 28 25 24 25 25 26 27 27 27 25 25 25 25 26 27 27 28 25 25 25 26 Transport wind dir
TWS 13 13 8 5 6 7 7 8 12 13 9 9 10 10 10 11 12 13 8 8 8 7 7 Transport wind spd(kts)
SOL 76 50 3 2 0 0 17 59 81 53 5 2 0 0 4 12 66 50 9 5 0 0 2 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
BONO3 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 56| 74 55| 68 52| 72 55| 77 57| 71 56| 68 56| 68 55 54 79 Max/Min Temp(F)
XND 1| 2 1| 4 3| 5 3| 4 2| 5 2| 6 2| 7 4 SD of max/min temps(F)
TMP 57| 72 57| 66 53| 70 56| 74 57| 69 57| 65 57| 66 57 Temperature(F)
TSD 1| 2 1| 3 3| 4 2| 4 2| 5 2| 7 2| 8 3 SD of temp(F)
DPT 54| 54 53| 53 51| 52 48| 52 53| 56 53| 56 53| 55 51 Dew point temp(F)
DSD 1| 1 1| 2 1| 2 2| 4 2| 3 2| 3 2| 4 3 Dew point temp SD(F)
WBG 56| 66 54| 61 52| 64 53| 67 56| 65 56| 63 55| 62 54 Wet bulb temp(F)
SKY 57| 3 57| 32 58| 25 30| 31 67| 40 73| 46 69| 39 49 Sky cover(%)
SSD 31| 3 25| 13 15| 23 24| 23 24| 22 16| 25 19| 24 30 Sky cover SD(%)
WDR 24| 25 24| 28 24| 27 16| 27 23| 26 24| 26 23| 26 24 Wind dir (deg)
WSP 4| 12 9| 11 5| 8 3| 10 5| 12 6| 10 6| 9 7 Wind spd (kts)
WSD 1| 2 2| 2 2| 2 3| 3 2| 3 3| 3 4| 4 4 Wind spd SD(kts)
GST 8| 20 17| 20 10| 13 7| 16 10| 21 11| 19 12| 17 13 Wind gust(kts)
GSD 2| 2 3| 3 4| 3 4| 4 4| 4 7| 7 8| 7 7 Wind gust SD(kts)
P12 0| 1 2| 34 9| 4 1| 0 6| 23 37| 51 57| 59 43 -99-99 12-hr PoP(%)
Q12 0| 0 0| 0 0| 0 0| 0 0| 3 4| 25 29| 28 18 12-hr QPF(.01in)
Q24 | 0| 0| 0| 0| 7| 54| 46 37 24-hr QPF(.01in)
DUR 0| 0 0| 0 0| 0 0| 0 0| 1 1| 4 4| 4 4 Duration of precip(hrs)
T12 0| 0 1| 6 1| 1 1| 1 2| 9 7| 8 7| 11 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 5| 15 2| 0 1| 2 14| 38 33| 56 56| 55 34 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| 80 71| 69 67| 85 88| 93 88| 85 81| 85 75| 81 76 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| 49 2| 33 4| 43 7| 42 7| 14 4| 17 0| 4 0 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
BONO3 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 71 56| 74 58| 76 59 Max/Min Temp(F)
XND 9 5| 8 4| 7 4 SD of max/min temps(F)
TMP 69 57| 72 59| 74 59 Temperature(F)
TSD 9 4| 8 4| 8 3 SD of temp(F)
DPT 54 49| 53 49| 53 49 Dew point temp(F)
DSD 5 5| 6 6| 6 6 Dew point temp SD(F)
WBG 64 54| 65 55| 66 55 Wet bulb temp(F)
SKY 25 38| 28 42| 22 40 Sky cover(%)
SSD 27 32| 19 12| 11 15 Sky cover SD(%)
WDR 28 20| 30 16| 32 9 Wind dir (deg)
WSP 8 8| 10 11| 10 13 Wind spd (kts)
WSD 4 4| 4 5| 4 5 Wind spd SD(kts)
GST 15 12| 17 16| 17 18 Wind gust(kts)
GSD 6 7| 6 8| 6 8 Wind gust SD(kts)
P12 38 23| 22 22| 18 16 12-hr PoP(%)
Q12 13 5| 2 4| 2 0 12-hr QPF(.01in)
Q24 18| 6| 2 24-hr QPF(.01in)
DUR 3 1| 0 1| 1 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 40 25| 23 16| 24 20 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 81 78| 84 80| 86 86 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 6 6| 12 7| 22 18 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
BONO3 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 57| 74 56| 68 52| 72 55| 77 57| 71 56| 68 56| 68 55| 71 56| 71 Mean min/max temp(F)
TXNSD 1| 2 1| 4 3| 5 3| 4 2| 5 2| 6 2| 8 4| 9 5| 9 SD min/max temp(F)
TXNP1 55| 72 55| 63 48| 65 50| 73 55| 65 55| 60 55| 60 48| 59 47| 59 10th percentile min/max temp(F)
TXNP2 56| 73 55| 66 49| 71 54| 75 57| 69 55| 64 55| 63 54| 63 55| 63 25th percentile min/max temp(F)
TXNP5 57| 75 56| 69 54| 73 55| 77 57| 72 56| 69 56| 68 55| 71 56| 71 50th percentile min/max temp(F)
TXNP7 58| 76 57| 70 55| 75 57| 79 58| 75 57| 72 57| 73 57| 78 58| 78 75th percentile min/max temp(F)
TXNP9 59| 77 57| 72 56| 77 58| 83 60| 76 58| 76 58| 80 59| 83 62| 83 90th percentile min/max temp(F)
WSPP1 3| 10 6| 8 2| 5 0| 4 3| 7 1| 4 1| 4 3| 3 2| 3 10th percentile wnd(kts)
WSPP2 3| 10 7| 9 3| 6 2| 7 4| 9 3| 6 3| 6 3| 5 3| 6 25th percentile wnd(kts)
WSPP5 4| 12 8| 11 4| 7 3| 9 5| 10 5| 8 5| 8 5| 7 6| 8 50th percentile wnd(kts)
WSPP7 5| 13 10| 12 6| 8 5| 10 6| 12 7| 10 8| 10 8| 10 9| 11 75th percentile wnd(kts)
WSPP9 6| 14 10| 13 8| 9 7| 12 8| 13 10| 12 11| 13 11| 12 13| 13 90th percentile wnd(kts)
W24P1 | 13 | 13 | 13 | 10 | 10 | 12 | 10 | 10 | 9 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 14 | 14 | 13 | 11 | 12 | 13 | 12 | 11 | 11 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 15 | 15 | 15 | 12 | 13 | 14 | 14 | 13 | 13 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 16 | 16 | 16 | 13 | 14 | 16 | 15 | 15 | 15 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 17 | 17 | 16 | 13 | 16 | 17 | 17 | 17 | 17 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 22 | 21 | 21 | 15 | 17 | 20 | 18 | 16 | 16 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 23 | 23 | 23 | 17 | 19 | 22 | 20 | 19 | 18 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 25 | 24 | 24 | 19 | 21 | 24 | 23 | 22 | 22 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 26 | 26 | 26 | 20 | 23 | 27 | 27 | 27 | 26 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 27 | 27 | 27 | 22 | 26 | 31 | 32 | 32 | 31 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| 31| 19| 0| 50th percentile 24hr QPF(1/100in)
Q24P7 | 0| 2| 0| 0| 15| 97| 73| 29| 75th percentile 24hr QPF(1/100in)
Q24P9 | 0| 24| 0| 0| 38| 154| 147| 89| 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|013 017|016 017|011 011|007 011|010 014|011 012|012 014|013 014|012 10th percentile MSLP(mb)
SLPP2 018|014 018|016 018|013 012|009 013|012 015|014 016|014 016|014 015|014 25th percentile MSLP(mb)
SLPP5 018|015 018|017 020|015 014|010 014|013 016|016 018|016 018|016 018|016 50th percentile MSLP(mb)
SLPP7 018|015 019|018 020|017 016|011 015|014 018|018 020|019 021|018 020|018 75th percentile MSLP(mb)
SLPP9 019|016 020|019 021|018 017|013 016|015 019|019 022|022 022|020 021|019 90th percentile MSLP(mb)