NBM Guidance for SLIDE MOUNTAIN (SLFO3)
44.4622N 120.2944W
Elevation 5646 ft
HOURLY TO 24 HOURS:
SLFO3 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 62 65 68 70 72 73 74 74 72 68 64 58 55 52 50 48 47 46 46 46 46 46 46 52 58 Temperature(F)
TSD 2 1 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 1 1 2 SD of temp(F)
DPT 43 44 44 43 42 42 42 42 41 40 37 34 35 35 36 36 36 36 35 35 34 34 34 37 37 Dew point temp(F)
DSD 3 3 3 2 3 3 3 3 3 4 4 5 4 4 4 4 4 4 4 4 4 4 4 3 3 Dew point temp SD(F)
WBG 55 58 62 64 65 65 65 64 62 59 55 50 48 46 45 44 43 43 42 42 42 41 42 48 51 Wet bulb temp(F)
SKY 62 46 26 3 2 2 1 2 5 3 7 4 8 17 19 12 19 18 15 16 16 25 21 12 0 Sky cover(%)
SSD 26 32 33 15 11 3 2 2 5 3 5 4 6 7 18 16 17 17 19 19 18 20 14 9 0 Sky cover SD(%)
WDR 24 24 24 24 26 27 31 33 34 34 35 35 0 2 3 5 6 32 16 19 23 17 17 21 30 Wind dir (deg)
WSP 2 3 3 3 3 3 3 3 3 3 3 2 2 2 2 1 1 1 1 1 1 1 1 1 1 Wind spd (kts)
WSD 1 1 1 1 1 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 Wind spd SD(kts)
GST 7 9 10 11 12 12 11 11 10 10 10 9 9 7 6 5 4 3 3 3 3 3 3 4 5 Wind gust(kts)
GSD 2 2 2 2 1 1 1 1 1 1 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 Wind gust SD(kts)
P01 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1-hr PoP(%)
P06 1 1 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 1 1 1 1 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 105103103105108110114116118118116114110108109109109109107105103102100 99 99 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 230-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88 Ceiling height*
MVC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 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 210210200200230150120 37 60 50 23-88-88 1 38-88 70 70 70-88-88-88-88-88 20 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
MVV 7 5 4 4 4 5 3 3 2 2 2 1 1 0 1 0 2 2 2 3 4 4 5 6 6 Prob vsby<=5mi(%) MVFR
IFV 1 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 2 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 17 29 41 51 63 72 75 71 55 40 27 19 12 10 5 4 3 4 4 5 3 3 4 5 15 MixHgt 100s feet AGL
TWD 24 23 23 24 24 24 24 26 33 34 35 35 36 1 2 2 3 2 14 20 21 23 18 20 23 Transport wind dir
TWS 6 8 10 12 14 14 13 13 12 11 12 12 11 10 7 6 5 4 4 4 4 3 3 3 5 Transport wind spd(kts)
SOL 35 51 65 83 86 84 77 66 51 28 12 3 2 2 2 0 0 0 0 0 0 0 5 21 37 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
SLFO3 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 45 74 41 64 38 Max/Min Temp(F)
XND 3 2 3 3 2 SD of max/min temps(F)
TMP 73 72 58 50 46 46 52 65 71 70 57 49 44 42 47 57 62 60 48 42 40 39 44 Temperature(F)
TSD 2 2 2 2 2 1 1 2 2 2 2 2 2 1 1 2 3 2 2 2 2 2 2 SD of temp(F)
DPT 42 41 34 36 36 34 37 38 38 36 33 36 36 34 39 37 32 28 27 30 30 26 29 Dew point temp(F)
DSD 3 3 5 4 4 4 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 Dew point temp SD(F)
WBG 65 62 50 45 43 42 48 59 63 59 49 44 41 39 45 53 55 51 43 39 37 35 40 Wet bulb temp(F)
SKY 2 5 4 19 18 16 12 1 1 4 5 17 15 10 39 13 24 18 9 23 19 13 16 Sky cover(%)
SSD 3 5 4 18 17 18 9 1 1 4 4 11 7 8 25 26 26 21 10 12 13 11 11 Sky cover SD(%)
WDR 27 34 35 3 32 23 21 32 33 35 35 34 23 25 27 29 30 31 32 31 21 20 20 Wind dir (deg)
WSP 3 3 2 2 1 1 1 2 3 3 2 1 1 2 2 3 4 3 2 1 1 2 2 Wind spd (kts)
WSD 0 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Wind spd SD(kts)
GST 12 10 9 6 3 3 4 8 10 10 9 5 5 6 7 10 12 11 10 6 4 5 6 Wind gust(kts)
GSD 1 1 2 2 1 1 1 1 1 1 3 2 2 2 2 1 1 2 3 3 2 2 2 Wind gust SD(kts)
P06 1 1 0 0 2 0 0 4 0 0 1 6-hr PoP(%)
P12 1 0 2 0 1 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 4 3 0 0 0 0 0 0 3 2 0 0 0 0 0 0 1 1 0 0 0 0 3-hr Tstm prob(%)
T06 4 3 0 0 3 2 0 0 1 1 0 6-hr Tstm prob(%)
T12 3 3 2 1 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 32 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 110120110110110100 99100100110110 95 86 82 79 82 84 83 78 73 73 72 72 Snow level 100s feet MSL
I06 0 0 0 0 0 0 0 0 0 0 0 6-hr ice(1/100in)
CIG -88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88 Ceiling height*
IFC 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 Prob cig<1000ft(%) IFR
LCB 150 60-88 38 70-88-88 24170 90 49-88-88 1 80 90 90 39 29-88190180130 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
IFV 1 0 0 0 0 0 2 1 2 1 1 0 0 2 2 0 0 0 0 0 1 1 0 Prob vsby<3mi(%) IFR
MHT 72 55 19 5 4 3 5 36 61 47 18 6 3 7 17 43 59 62 19 7 3 2 7 MixHgt 100s feet AGL
TWD 24 33 35 2 2 21 20 22 25 34 34 34 26 27 27 27 28 30 32 31 24 21 22 Transport wind dir
TWS 14 12 12 7 4 4 3 7 11 11 12 7 6 8 7 10 13 14 12 8 6 7 6 Transport wind spd(kts)
SOL 84 51 3 2 0 0 21 64 84 53 4 2 0 0 11 36 61 58 18 9 0 0 6 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
SLFO3 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 45| 74 41| 64 38| 69 43| 76 46| 70 42| 66 41| 64 40 46 72 Max/Min Temp(F)
XND 3| 2 3| 3 2| 5 4| 3 5| 5 3| 7 4| 8 6 SD of max/min temps(F)
TMP 46| 70 42| 60 39| 65 44| 71 46| 66 43| 62 44| 60 41 Temperature(F)
TSD 1| 2 1| 2 2| 4 3| 4 3| 6 3| 8 4| 9 5 SD of temp(F)
DPT 34| 36 34| 28 26| 25 21| 28 29| 33 35| 34 34| 34 32 Dew point temp(F)
DSD 4| 3 3| 4 4| 4 3| 4 6| 7 5| 8 7| 7 7 Dew point temp SD(F)
WBG 42| 59 39| 51 35| 54 38| 59 41| 56 40| 53 41| 52 39 Wet bulb temp(F)
SKY 16| 4 10| 18 13| 11 23| 38 50| 45 50| 43 37| 29 22 Sky cover(%)
SSD 18| 4 8| 21 11| 14 30| 20 37| 27 17| 29 31| 18 21 Sky cover SD(%)
WDR 23| 35 25| 31 20| 33 17| 33 23| 29 20| 29 20| 30 20 Wind dir (deg)
WSP 1| 3 2| 3 2| 2 1| 2 1| 3 2| 3 3| 3 2 Wind spd (kts)
WSD 1| 1 1| 1 1| 1 1| 1 1| 1 1| 1 2| 1 1 Wind spd SD(kts)
GST 3| 10 6| 11 5| 7 3| 9 5| 10 7| 11 7| 11 5 Wind gust(kts)
GSD 1| 1 2| 2 2| 2 2| 2 2| 3 3| 3 5| 4 3 Wind gust SD(kts)
P12 1| 0 2| 0 1| 1 0| 0 3| 18 19| 21 26| 31 15 -99-99 12-hr PoP(%)
Q12 0| 0 0| 0 0| 0 0| 0 0| 3 0| 0 0| 0 0 12-hr QPF(.01in)
Q24 | 0| 0| 0| 0| 3| 0| 0 16 24-hr QPF(.01in)
DUR 0| 0 0| 0 0| 0 0| 0 0| 1 0| 0 0| 0 0 Duration of precip(hrs)
T12 3| 3 2| 1 1| 1 1| 2 3| 17 9| 6 6| 9 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 0| 0 0| 0 0| 0 0| 1 3| 12 14| 23 24| 22 15 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 103|110 82| 83 72| 88 93|105 98| 97 87| 94 85| 91 82 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| 53 2| 41 7| 49 7| 47 6| 20 6| 36 5| 47 6 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
SLFO3 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 64 40| 66 42| 68 44 Max/Min Temp(F)
XND 10 7| 10 6| 9 6 SD of max/min temps(F)
TMP 61 42| 63 44| 64 45 Temperature(F)
TSD 10 6| 10 6| 10 6 SD of temp(F)
DPT 33 30| 34 31| 34 31 Dew point temp(F)
DSD 7 7| 8 8| 8 9 Dew point temp SD(F)
WBG 52 38| 54 40| 55 41 Wet bulb temp(F)
SKY 23 22| 33 31| 30 28 Sky cover(%)
SSD 19 20| 28 17| 15 14 Sky cover SD(%)
WDR 31 22| 33 25| 34 4 Wind dir (deg)
WSP 2 2| 2 1| 2 1 Wind spd (kts)
WSD 1 1| 1 1| 1 2 Wind spd SD(kts)
GST 10 5| 9 4| 8 5 Wind gust(kts)
GSD 3 3| 3 3| 3 3 Wind gust SD(kts)
P12 22 10| 23 20| 16 13 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 17 14| 19 15| 14 9 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 87 82| 90 85| 94 90 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 21 18| 28 13| 28 19 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
SLFO3 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 45| 74 42| 64 38| 69 43| 76 46| 70 42| 66 41| 64 40| 64 40| 64 Mean min/max temp(F)
TXNSD 3| 2 3| 3 2| 5 4| 3 4| 5 3| 7 4| 8 6| 10 7| 10 SD min/max temp(F)
TXNP1 41| 72 38| 61 35| 63 39| 72 40| 63 38| 57 37| 54 33| 53 33| 53 10th percentile min/max temp(F)
TXNP2 43| 73 40| 63 37| 66 40| 74 42| 67 39| 61 39| 58 37| 56 36| 56 25th percentile min/max temp(F)
TXNP5 45| 75 42| 64 39| 70 42| 76 46| 71 41| 64 41| 63 39| 62 39| 62 50th percentile min/max temp(F)
TXNP7 47| 76 45| 66 40| 72 46| 78 50| 74 43| 72 43| 72 42| 73 42| 73 75th percentile min/max temp(F)
TXNP9 48| 77 47| 67 40| 74 49| 79 53| 77 47| 75 46| 74 47| 77 49| 77 90th percentile min/max temp(F)
WSPP1 0| 2 1| 3 1| 1 0| 1 0| 2 1| 2 1| 2 1| 2 1| 1 10th percentile wnd(kts)
WSPP2 0| 2 2| 3 1| 2 1| 2 1| 2 2| 2 2| 2 1| 2 1| 2 25th percentile wnd(kts)
WSPP5 1| 3 2| 3 2| 2 1| 2 2| 3 3| 3 3| 3 2| 3 2| 2 50th percentile wnd(kts)
WSPP7 1| 3 3| 3 2| 2 2| 3 2| 3 3| 3 4| 3 3| 3 3| 3 75th percentile wnd(kts)
WSPP9 2| 3 3| 4 3| 3 3| 3 3| 3 4| 4 5| 4 4| 4 4| 3 90th percentile wnd(kts)
W24P1 | 4 | 3 | 4 | 2 | 3 | 3 | 3 | 3 | 3 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 4 | 4 | 4 | 2 | 3 | 4 | 4 | 4 | 3 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 5 | 4 | 5 | 3 | 4 | 5 | 5 | 5 | 4 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 5 | 5 | 6 | 3 | 5 | 5 | 6 | 6 | 5 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 6 | 6 | 6 | 4 | 5 | 6 | 7 | 8 | 7 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 14 | 12 | 13 | 9 | 10 | 12 | 12 | 10 | 10 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 14 | 13 | 14 | 10 | 12 | 14 | 14 | 13 | 12 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 16 | 14 | 16 | 10 | 15 | 16 | 16 | 16 | 14 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 17 | 16 | 17 | 12 | 16 | 17 | 19 | 20 | 17 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 18 | 18 | 19 | 14 | 18 | 20 | 22 | 23 | 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| 0| 0| 0| 50th percentile 24hr QPF(1/100in)
Q24P7 | 0| 0| 0| 0| 1| 8| 8| 0| 75th percentile 24hr QPF(1/100in)
Q24P9 | 0| 0| 0| 0| 14| 45| 40| 20| 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 016|010 015|012 016|009 010|005 010|008 014|009 012|010 013|011 013|010 10th percentile MSLP(mb)
SLPP2 016|011 016|013 018|011 012|006 011|009 015|012 016|012 015|013 016|013 25th percentile MSLP(mb)
SLPP5 017|011 016|014 019|013 013|007 013|010 016|014 018|014 018|015 019|015 50th percentile MSLP(mb)
SLPP7 017|012 017|015 020|015 016|009 014|012 018|016 020|017 020|017 020|017 75th percentile MSLP(mb)
SLPP9 018|012 018|016 020|016 018|010 015|013 019|017 022|019 023|018 022|018 90th percentile MSLP(mb)