NBM Guidance for SUMMIT (SMFO3)
42.1989N 120.2469W
Elevation 6093 ft
HOURLY TO 24 HOURS:
SMFO3 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 70 71 73 74 75 74 74 72 70 66 63 61 59 57 55 54 51 50 49 47 46 53 58 62 63 Temperature(F)
TSD 1 1 1 1 2 2 2 2 2 2 2 2 3 3 2 3 2 2 2 2 2 2 2 2 2 SD of temp(F)
DPT 34 32 28 28 28 26 25 24 25 26 28 30 32 33 34 35 36 36 37 37 36 39 40 39 38 Dew point temp(F)
DSD 2 3 4 5 4 5 5 5 5 5 5 5 5 4 4 4 4 4 4 4 4 4 4 4 4 Dew point temp SD(F)
WBG 59 61 62 63 63 60 59 58 56 53 51 50 49 49 48 47 46 45 44 43 43 48 53 55 57 Wet bulb temp(F)
SKY 70 67 63 64 50 80 76 74 75 81 43 20 8 7 11 5 3 5 4 14 19 15 2 0 0 Sky cover(%)
SSD 11 24 17 22 33 12 17 22 32 15 29 18 6 5 8 4 3 4 4 9 12 10 2 0 0 Sky cover SD(%)
WDR 21 21 21 22 23 23 23 23 23 23 22 23 23 23 23 23 23 23 23 23 24 23 23 24 24 Wind dir (deg)
WSP 11 13 14 15 16 17 16 16 14 13 14 11 8 6 4 3 3 3 3 4 4 5 8 11 13 Wind spd (kts)
WSD 2 2 2 2 2 2 2 3 3 3 3 3 4 3 3 2 2 2 2 2 2 2 2 2 2 Wind spd SD(kts)
GST 21 23 25 27 28 28 28 28 27 27 27 23 17 12 9 7 7 8 8 9 9 12 16 20 23 Wind gust(kts)
GSD 3 3 2 2 3 3 3 3 5 5 5 6 7 7 5 4 3 3 3 3 3 4 4 4 3 Wind gust SD(kts)
P01 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1-hr PoP(%)
P06 0 1 0 0 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 109109109111112113110107106108109108107106105103102102 99 99 98 98 99100101 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 130130130130-88130230130180220-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88 Ceiling height*
MVC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 130130130130120120210130180200170100120 37 48 70 70 60 50 33 30 24 24 30 40 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 44 54 70 85 91 92 82 58 40 6 5 5 5 5 5 5 5 5 5 5 5 14 24 35 47 MixHgt 100s feet AGL
TWD 21 22 22 23 23 23 23 23 23 23 23 23 24 24 25 24 23 23 23 23 24 24 24 24 24 Transport wind dir
TWS 17 19 22 22 23 22 21 20 18 13 14 11 10 8 7 7 7 7 8 7 8 10 13 16 17 Transport wind spd(kts)
SOL 66 82 84 85 76 65 46 21 8 2 1 1 0 0 0 0 0 0 0 0 5 21 38 54 66 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
SMFO3 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 46 72 39 74 48 Max/Min Temp(F)
XND 4 2 4 3 3 SD of max/min temps(F)
TMP 74 74 66 59 54 49 53 63 69 70 62 54 47 41 46 63 71 72 61 55 52 48 54 Temperature(F)
TSD 1 2 2 3 3 2 2 2 2 2 2 3 3 2 2 3 3 2 2 2 2 2 2 SD of temp(F)
DPT 28 25 26 32 35 37 39 38 31 27 23 27 27 27 29 27 19 16 18 19 19 20 25 Dew point temp(F)
DSD 5 5 5 5 4 4 4 4 4 4 4 3 3 3 3 4 5 5 5 4 4 4 5 Dew point temp SD(F)
WBG 63 59 53 49 47 44 48 57 61 57 50 45 41 37 41 55 59 57 49 45 43 40 46 Wet bulb temp(F)
SKY 64 76 81 8 5 4 15 0 0 4 11 7 3 7 21 1 3 8 11 7 2 4 18 Sky cover(%)
SSD 22 17 15 6 4 4 10 0 0 9 13 6 3 5 9 1 5 14 6 6 3 5 12 Sky cover SD(%)
WDR 22 23 23 23 23 23 23 24 25 27 31 36 3 9 7 22 24 25 33 3 7 12 16 Wind dir (deg)
WSP 15 16 13 8 3 3 5 13 14 13 8 8 3 2 3 3 5 5 1 1 2 1 3 Wind spd (kts)
WSD 2 2 3 4 2 2 2 2 2 2 3 3 1 1 1 1 2 2 2 2 1 1 2 Wind spd SD(kts)
GST 27 28 27 17 7 8 12 23 25 24 18 18 8 5 6 7 14 12 4 5 5 4 7 Wind gust(kts)
GSD 2 3 5 7 4 3 4 3 3 3 5 6 2 2 2 2 3 3 3 3 3 3 3 Wind gust SD(kts)
P06 0 1 0 0 1 0 0 0 0 0 0 6-hr PoP(%)
P12 1 0 2 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 0 0 0 0 Duration of precip(hrs)
T03 0 1 2 1 0 0 0 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 3-hr Tstm prob(%)
T06 1 2 0 0 2 2 0 0 0 1 0 6-hr Tstm prob(%)
T12 2 2 2 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 110110110110100 99 98100100110100100 89 79 74 82 92 97 99100100110110 Snow level 100s feet MSL
I06 0 0 0 0 0 0 0 0 0 0 0 6-hr ice(1/100in)
CIG 130230220-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88 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 130210200120 70 50 24 40 70 90 60 46-88110140170140140140170170190190 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
IFV 0 0 0 0 0 0 0 0 0 0 0-99-99-99-99-99-99-99-99-99-99-99-99 Prob vsby<3mi(%) IFR
MHT 85 82 6 5 5 5 14 47 75 82 5 10 5 5 5 39 67 67 5 5 5 5 5 MixHgt 100s feet AGL
TWD 23 23 23 24 24 23 24 24 25 26 32 0 3 6 9 25 25 25 31 5 10 13 17 Transport wind dir
TWS 22 21 13 10 7 8 10 17 18 16 10 11 7 6 3 6 8 8 4 6 7 7 5 Transport wind spd(kts)
SOL 85 46 2 0 0 0 21 66 88 55 4 2 0 0 17 56 89 62 18 9 0 0 6 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
SMFO3 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 46| 72 39| 74 48| 78 48| 70 45| 64 44| 62 40| 64 41 44 76 Max/Min Temp(F)
XND 4| 2 4| 3 3| 2 4| 4 4| 6 4| 7 6| 8 6 SD of max/min temps(F)
TMP 49| 70 41| 72 48| 75 48| 67 45| 61 45| 60 41| 62 41 Temperature(F)
TSD 2| 2 2| 2 2| 2 2| 4 3| 6 4| 8 6| 8 5 SD of temp(F)
DPT 37| 27 27| 16 20| 22 29| 24 33| 29 33| 32 32| 28 30 Dew point temp(F)
DSD 4| 4 3| 5 4| 4 4| 6 6| 8 7| 8 6| 9 7 Dew point temp SD(F)
WBG 44| 57 37| 57 40| 60 43| 55 41| 51 41| 51 39| 52 38 Wet bulb temp(F)
SKY 4| 4 7| 8 4| 16 35| 17 32| 59 57| 38 53| 31 35 Sky cover(%)
SSD 4| 9 5| 14 5| 19 12| 11 22| 29 30| 24 31| 26 32 Sky cover SD(%)
WDR 23| 27 9| 25 12| 24 21| 24 21| 24 22| 26 36| 25 36 Wind dir (deg)
WSP 3| 13 2| 5 1| 12 5| 18 8| 19 10| 14 3| 10 2 Wind spd (kts)
WSD 2| 2 1| 2 1| 3 2| 4 3| 5 4| 5 2| 4 2 Wind spd SD(kts)
GST 8| 24 5| 12 4| 23 11| 31 17| 32 20| 27 7| 21 6 Wind gust(kts)
GSD 3| 3 2| 3 3| 4 3| 5 6| 6 8| 7 4| 7 4 Wind gust SD(kts)
P12 1| 0 2| 0 0| 0 1| 1 8| 6 29| 24 34| 23 9 -99-99 12-hr PoP(%)
Q12 0| 0 0| 0 0| 0 0| 0 0| 0 1| 0 11| 3 0 12-hr QPF(.01in)
Q24 | 0| 0| 0| 0| 1| 11| 3 12 24-hr QPF(.01in)
DUR 0| 0 0| 0 0| 0 0| 0 0| 0 1| 0 3| 1 0 Duration of precip(hrs)
T12 2| 2 2| 0 1| 2 1| 5 5| 4 6| 6 7| 13 9 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 1| 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 1| 6 10| 13 23| 26 21| 11 8 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 99|107 79| 97 105|111 95| 98 86| 96 87| 96 82| 92 85 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| 54 1| 56 7| 50 7| 49 6| 41 4| 46 6| 44 6 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
SMFO3 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 67 43| 72 46| 75 48 Max/Min Temp(F)
XND 9 6| 8 6| 8 6 SD of max/min temps(F)
TMP 66 43| 70 46| 73 48 Temperature(F)
TSD 8 5| 8 6| 8 5 SD of temp(F)
DPT 26 27| 24 26| 24 27 Dew point temp(F)
DSD 10 7| 8 8| 8 8 Dew point temp SD(F)
WBG 54 38| 57 40| 59 42 Wet bulb temp(F)
SKY 17 13| 17 22| 25 23 Sky cover(%)
SSD 24 13| 12 11| 22 11 Sky cover SD(%)
WDR 26 7| 25 31| 25 1 Wind dir (deg)
WSP 7 2| 6 2| 7 2 Wind spd (kts)
WSD 4 2| 4 2| 4 2 Wind spd SD(kts)
GST 16 5| 15 5| 16 5 Wind gust(kts)
GSD 7 4| 6 3| 6 3 Wind gust SD(kts)
P12 8 3| 3 5| 3 3 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 9 1| 4 2| 2 2 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 97 89|102 97|107 103 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 19 16| 34 20| 34 17 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
SMFO3 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 50| 72 43| 74 48| 78 50| 70 46| 64 44| 62 40| 64 41| 67 43| 67 Mean min/max temp(F)
TXNSD 4| 2 4| 3 3| 2 4| 4 4| 6 4| 7 6| 8 6| 9 6| 9 SD min/max temp(F)
TXNP1 46| 69 38| 71 45| 76 46| 66 41| 57 39| 54 33| 54 34| 56 36| 56 10th percentile min/max temp(F)
TXNP2 47| 71 40| 73 46| 77 47| 68 43| 59 41| 58 36| 58 36| 62 38| 62 25th percentile min/max temp(F)
TXNP5 50| 72 43| 75 47| 78 50| 70 45| 64 44| 62 39| 63 41| 67 44| 67 50th percentile min/max temp(F)
TXNP7 54| 73 46| 76 52| 79 53| 74 48| 68 46| 66 44| 69 46| 75 47| 75 75th percentile min/max temp(F)
TXNP9 56| 75 49| 77 53| 80 55| 75 51| 70 49| 73 48| 74 48| 77 51| 77 90th percentile min/max temp(F)
WSPP1 1| 9 1| 3 0| 7 2| 9 3| 9 2| 6 1| 3 1| 3 1| 3 10th percentile wnd(kts)
WSPP2 2| 10 1| 3 1| 8 4| 12 5| 11 3| 9 2| 6 2| 4 1| 4 25th percentile wnd(kts)
WSPP5 3| 12 2| 5 2| 11 5| 15 6| 14 7| 12 3| 8 3| 6 2| 6 50th percentile wnd(kts)
WSPP7 4| 13 3| 7 2| 13 6| 17 9| 18 10| 14 4| 12 5| 10 4| 9 75th percentile wnd(kts)
WSPP9 5| 15 4| 8 4| 14 7| 19 11| 20 13| 18 6| 15 6| 13 5| 12 90th percentile wnd(kts)
W24P1 | 17 | 13 | 6 | 11 | 14 | 14 | 11 | 8 | 6 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 18 | 15 | 7 | 13 | 17 | 17 | 14 | 9 | 8 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 20 | 16 | 8 | 15 | 20 | 20 | 18 | 13 | 11 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 21 | 18 | 10 | 17 | 23 | 24 | 21 | 17 | 15 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 23 | 19 | 11 | 19 | 25 | 27 | 24 | 20 | 19 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 30 | 26 | 14 | 23 | 26 | 27 | 22 | 16 | 15 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 32 | 28 | 15 | 27 | 30 | 30 | 27 | 20 | 18 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 34 | 30 | 18 | 30 | 35 | 36 | 33 | 26 | 21 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 37 | 32 | 20 | 33 | 40 | 42 | 38 | 32 | 29 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 39 | 35 | 22 | 36 | 43 | 46 | 43 | 37 | 35 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 | 0| 0| 0| 0| 2| 25| 2| 0| 75th percentile 24hr QPF(1/100in)
Q24P9 | 0| 0| 0| 0| 13| 57| 18| 0| 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 015|010 017|010 013|007 013|009 015|009 013|009 013|008 011|008 013|010 10th percentile MSLP(mb)
SLPP2 016|010 018|011 013|007 014|009 016|011 015|011 015|010 014|011 015|011 25th percentile MSLP(mb)
SLPP5 016|011 018|012 014|008 015|010 016|012 016|012 017|013 018|013 018|013 50th percentile MSLP(mb)
SLPP7 017|011 019|013 016|009 016|012 018|014 018|015 018|015 020|015 020|015 75th percentile MSLP(mb)
SLPP9 017|012 020|013 017|010 017|012 019|015 020|016 022|018 022|018 023|017 90th percentile MSLP(mb)