NBM Guidance for HALFWAY (HWYO3)
44.8783N 117.1130W
Elevation 2664 ft
HOURLY TO 24 HOURS:
HWYO3 NBM V5.0 NBH GUIDANCE 8/28/2026 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 70 75 79 83 86 88 88 87 85 79 72 68 65 63 62 60 58 56 54 52 49 51 57 62 66 Temperature(F)
TSD 1 1 1 2 2 2 2 2 2 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 SD of temp(F)
DPT 52 51 50 50 49 47 47 46 48 50 47 46 47 47 47 47 47 47 46 46 46 47 50 50 49 Dew point temp(F)
DSD 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 2 3 Dew point temp SD(F)
WBG 63 68 70 72 74 74 72 72 71 68 63 59 58 57 56 55 54 52 50 49 47 50 55 58 60 Wet bulb temp(F)
SKY 57 61 70 62 75 63 71 63 70 87 84 78 70 51 43 51 33 28 25 14 15 23 18 15 10 Sky cover(%)
SSD 36 40 40 32 26 24 13 22 25 13 25 30 28 27 33 24 31 24 17 23 13 18 22 22 13 Sky cover SD(%)
WDR 10 14 15 17 21 19 18 18 18 23 28 10 16 26 28 32 32 33 32 35 33 34 0 36 23 Wind dir (deg)
WSP 1 2 2 3 4 4 6 7 6 4 3 3 3 3 3 2 2 2 1 1 1 1 2 3 3 Wind spd (kts)
WSD 1 1 2 2 3 3 4 3 3 2 2 2 1 2 2 1 1 1 1 1 1 1 1 1 1 Wind spd SD(kts)
GST 3 5 7 9 10 11 12 13 12 9 7 6 6 6 5 3 3 3 3 3 3 3 4 6 8 Wind gust(kts)
GSD 1 2 2 3 4 4 4 5 4 3 3 3 2 3 3 2 2 2 2 1 1 1 2 2 2 Wind gust SD(kts)
P01 0 0 0 0 1 1 1 1 2 2 2 2 3 2 3 4 5 4 3 2 2 2 2 2 2 1-hr PoP(%)
P06 1 3 5 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 1 1 0 0 1 0 0 1 1 1 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 1 1 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 113113113113114115116115114114113111114115116116115113110108105103102101101 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 130130130130130130130130130130130130130-88-88-88-88-88-88-88-88-88-88-88-88 Ceiling height*
MVC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 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 120130120 90130110120110120120130130110140140140150160110110 90 90 80110110 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 18 25 38 59 77 92 99 96 61 9 5 5 5 5 5 5 5 5 4 5 5 4 11 22 35 MixHgt 100s feet AGL
TWD 24 22 22 22 21 21 21 21 21 20 25 5 5 33 32 33 32 34 33 30 27 27 24 24 24 Transport wind dir
TWS 3 4 6 9 10 11 13 13 12 6 5 6 6 5 5 4 4 3 3 3 3 3 3 4 6 Transport wind spd(kts)
SOL 52 63 76 78 75 68 56 39 20 5 2 1 1 0 0 0 0 0 0 0 0 7 23 38 53 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
HWYO3 NBM V5.0 NBS GUIDANCE 8/28/2026 1600 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 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 49 83 39 79 44 Max/Min Temp(F)
XND 3 3 4 3 4 SD of max/min temps(F)
TMP 86 87 72 63 58 52 57 70 79 78 62 53 47 41 48 62 74 77 61 55 51 46 55 Temperature(F)
TSD 2 2 1 2 2 2 2 3 3 2 3 3 3 3 2 3 2 2 2 2 3 2 3 SD of temp(F)
DPT 49 46 47 47 47 46 50 47 46 44 43 41 40 40 44 41 37 36 37 36 36 36 40 Dew point temp(F)
DSD 3 3 3 3 3 3 3 3 5 5 6 5 4 3 4 4 4 5 4 4 4 4 4 Dew point temp SD(F)
WBG 74 72 63 57 54 49 55 65 70 66 55 49 44 40 47 57 64 63 53 49 46 43 50 Wet bulb temp(F)
SKY 75 63 84 51 33 14 18 4 20 47 26 37 3 9 4 1 16 10 13 11 3 7 4 Sky cover(%)
SSD 26 22 25 27 31 23 22 5 15 28 26 39 5 6 3 4 25 10 9 9 4 7 5 Sky cover SD(%)
WDR 21 18 28 26 32 35 0 24 26 29 21 20 25 34 23 22 23 25 35 1 2 3 8 Wind dir (deg)
WSP 4 7 3 3 2 1 2 5 8 9 7 4 2 1 1 2 3 2 2 1 1 0 1 Wind spd (kts)
WSD 3 3 2 2 1 1 1 2 4 3 2 2 1 1 1 1 2 2 2 1 1 1 1 Wind spd SD(kts)
GST 10 13 7 6 3 3 4 11 17 15 13 8 4 2 2 5 8 7 4 3 2 1 2 Wind gust(kts)
GSD 4 5 3 3 2 1 2 3 4 4 3 4 2 1 1 2 3 3 3 2 1 1 1 Wind gust SD(kts)
P06 1 3 5 2 2 16 24 0 0 0 0 6-hr PoP(%)
P12 4 2 28 0 0 12-hr PoP(%)
Q06 0 0 0 0 0 0 5 0 0 0 0 6-hr QPF(.01in)
Q12 0 0 5 0 0 12-hr QPF(.01in)
DUR 0 0 0 0 0 Duration of precip(hrs)
T03 1 5 5 4 3 2 1 1 2 4 4 2 1 0 0 0 0 0 1 0 0 0 0 3-hr Tstm prob(%)
T06 5 7 5 1 4 5 1 0 0 1 1 6-hr Tstm prob(%)
T12 8 5 5 0 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 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 110120110110120110100100100100 94 84 76 69 66 73 80 86 90 87 88 89 91 Snow level 100s feet MSL
I06 0 0 0 0 0 0 0 0 0 0 0 6-hr ice(1/100in)
CIG 130130130-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88 Ceiling height*
IFC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Prob cig<1000ft(%) IFR
LCB 130110130140150110 80 80 80140140 28 70 90220220190150130130130120150 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
IFV 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
MHT 77 96 5 5 5 5 11 44 81 66 12 5 5 4 12 37 56 59 5 5 5 5 7 MixHgt 100s feet AGL
TWD 21 21 25 33 32 30 24 25 25 27 28 32 30 33 24 25 27 27 34 2 2 2 9 Transport wind dir
TWS 10 13 5 5 4 3 3 11 13 11 7 6 4 3 3 6 10 9 4 4 3 3 2 Transport wind spd(kts)
SOL 75 39 2 0 0 0 23 64 76 36 2 1 0 0 19 54 82 56 14 7 0 0 7 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
HWYO3 NBM V5.0 NBE GUIDANCE 8/28/2026 1600 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 20| 32 44| 56 68| 80 92|104 116|128 140|152 164|176 188 Forecast Hour
TXN 49| 83 39| 79 44| 88 51| 88 48| 80 45| 73 40| 73 40 46 84 Max/Min Temp(F)
XND 3| 3 4| 3 4| 3 3| 3 4| 6 5| 9 7| 9 7 SD of max/min temps(F)
TMP 52| 78 41| 77 46| 85 53| 84 48| 76 48| 70 44| 71 44 Temperature(F)
TSD 2| 2 3| 2 2| 2 3| 3 3| 7 4| 9 6| 9 6 SD of temp(F)
DPT 46| 44 40| 36 36| 38 37| 44 46| 46 45| 48 44| 48 44 Dew point temp(F)
DSD 3| 5 3| 5 4| 3 6| 5 5| 8 6| 8 5| 6 4 Dew point temp SD(F)
WBG 49| 66 40| 63 43| 69 48| 70 47| 64 46| 62 44| 63 43 Wet bulb temp(F)
SKY 14| 47 9| 10 7| 7 43| 40 44| 71 81| 56 57| 42 34 Sky cover(%)
SSD 23| 28 6| 10 7| 7 27| 14 25| 22 15| 24 26| 29 22 Sky cover SD(%)
WDR 35| 29 34| 25 3| 19 2| 18 32| 24 27| 29 30| 29 34 Wind dir (deg)
WSP 1| 9 1| 2 0| 3 1| 10 1| 10 1| 4 1| 3 1 Wind spd (kts)
WSD 1| 3 1| 2 1| 2 1| 4 2| 4 2| 3 2| 3 1 Wind spd SD(kts)
GST 3| 15 2| 7 1| 8 2| 17 2| 18 3| 10 2| 9 2 Wind gust(kts)
GSD 1| 4 1| 3 1| 3 1| 5 2| 6 3| 5 2| 4 2 Wind gust SD(kts)
P12 4| 2 28| 0 0| 0 1| 6 27| 24 36| 46 33| 35 19 -99-99 12-hr PoP(%)
Q12 0| 0 5| 0 0| 0 0| 0 0| 1 8| 10 4| 0 0 12-hr QPF(.01in)
Q24 | 5| 0| 0| 0| 9| 14| 0 12 24-hr QPF(.01in)
DUR 0| 0 0| 0 0| 0 0| 0 0| 0 3| 3 1| 0 0 Duration of precip(hrs)
T12 8| 5 5| 0 1| 1 2| 9 12| 8 8| 8 9| 12 10 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| 0 0| 0 3| 11 17| 21 35| 41 35| 26 14 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 108|102 69| 86 89|104 110|107 97| 96 88| 89 81| 87 84 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| 45 0| 53 5| 48 5| 32 5| 42 3| 15 3| 36 5 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
HWYO3 NBM V5.0 NBX GUIDANCE 8/28/2026 1600 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 200 212|224 236|248 260 Forecast Hour
TXN 77 42| 80 45| 84 47 Max/Min Temp(F)
XND 8 6| 8 5| 7 6 SD of max/min temps(F)
TMP 74 44| 77 47| 81 49 Temperature(F)
TSD 8 6| 8 5| 7 5 SD of temp(F)
DPT 47 44| 47 43| 46 44 Dew point temp(F)
DSD 7 4| 7 5| 7 5 Dew point temp SD(F)
WBG 65 44| 67 45| 69 47 Wet bulb temp(F)
SKY 36 21| 29 31| 20 32 Sky cover(%)
SSD 27 11| 12 18| 10 23 Sky cover SD(%)
WDR 27 33| 26 33| 29 35 Wind dir (deg)
WSP 2 1| 2 1| 2 1 Wind spd (kts)
WSD 3 1| 3 2| 3 1 Wind spd SD(kts)
GST 7 2| 6 2| 6 2 Wind gust(kts)
GSD 5 2| 4 2| 5 1 Wind gust SD(kts)
P12 14 14| 10 9| 4 3 12-hr PoP(%)
Q12 0 1| 0 0| 0 0 12-hr QPF(.01in)
Q24 1| 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 6| 8 3| 3 1 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 93 89| 97 94|101 99 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 19 17| 33 18| 34 18 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
HWYO3 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 52| 83 40| 79 44| 88 51| 88 48| 80 45| 73 40| 73 40| 77 42| 77 Mean min/max temp(F)
TXNSD 3| 3 4| 3 4| 3 3| 3 4| 6 5| 9 7| 9 7| 8 6| 8 SD min/max temp(F)
TXNP1 48| 79 35| 76 40| 84 46| 84 43| 73 39| 62 32| 63 33| 67 34| 67 10th percentile min/max temp(F)
TXNP2 49| 81 37| 78 41| 86 48| 86 45| 75 41| 66 35| 66 35| 71 38| 71 25th percentile min/max temp(F)
TXNP5 51| 83 39| 79 44| 88 51| 88 48| 79 45| 73 39| 72 38| 76 40| 76 50th percentile min/max temp(F)
TXNP7 54| 84 42| 82 48| 90 54| 90 51| 85 48| 80 45| 79 43| 83 46| 83 75th percentile min/max temp(F)
TXNP9 55| 86 45| 83 49| 91 55| 91 53| 88 52| 86 49| 88 51| 87 50| 87 90th percentile min/max temp(F)
WSPP1 0| 4 1| 1 0| 2 0| 3 0| 3 0| 1 0| 2 0| 1 0| 1 10th percentile wnd(kts)
WSPP2 1| 6 1| 2 0| 3 1| 5 1| 6 1| 2 1| 2 1| 2 0| 1 25th percentile wnd(kts)
WSPP5 1| 8 1| 3 1| 3 1| 7 1| 8 1| 4 1| 4 1| 3 1| 2 50th percentile wnd(kts)
WSPP7 2| 10 2| 4 1| 4 2| 12 2| 11 3| 6 2| 6 2| 5 2| 4 75th percentile wnd(kts)
WSPP9 3| 13 2| 5 1| 6 2| 15 3| 14 5| 10 3| 8 3| 9 3| 8 90th percentile wnd(kts)
W24P1 | 7 | 9 | 5 | 6 | 7 | 8 | 6 | 5 | 5 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 8 | 10 | 6 | 6 | 9 | 10 | 7 | 7 | 6 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 9 | 12 | 7 | 7 | 10 | 13 | 9 | 8 | 7 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 11 | 13 | 8 | 7 | 14 | 15 | 11 | 10 | 9 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 14 | 15 | 9 | 8 | 16 | 17 | 13 | 12 | 12 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 12 | 16 | 8 | 9 | 12 | 14 | 10 | 10 | 9 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 14 | 19 | 10 | 10 | 15 | 18 | 12 | 12 | 10 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 17 | 21 | 12 | 11 | 18 | 23 | 16 | 15 | 12 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 21 | 24 | 13 | 13 | 24 | 27 | 21 | 18 | 16 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 24 | 26 | 16 | 14 | 29 | 31 | 26 | 21 | 21 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| 2| 0| 0| 50th percentile 24hr QPF(1/100in)
Q24P7 | 4| 0| 0| 0| 12| 34| 10| 0| 75th percentile 24hr QPF(1/100in)
Q24P9 | 38| 0| 0| 5| 27| 71| 54| 24| 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 012|006 014|009 013|004 008|003 010|005 010|006 011|007 010|007 012|007 10th percentile MSLP(mb)
SLPP2 012|007 016|010 014|005 009|004 011|006 011|008 012|010 013|010 014|009 25th percentile MSLP(mb)
SLPP5 013|008 017|011 015|006 011|005 012|008 013|010 015|012 017|013 017|013 50th percentile MSLP(mb)
SLPP7 013|009 018|012 016|008 012|007 014|010 016|012 017|014 020|016 020|016 75th percentile MSLP(mb)
SLPP9 014|010 018|012 018|009 013|008 015|012 018|014 020|017 022|018 023|017 90th percentile MSLP(mb)