NBM Guidance for TIMBERLINE (TIM70)
45.3450N 121.7120W
Elevation 6946 ft
HOURLY TO 24 HOURS:
TIM70 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 56 56 56 57 57 57 56 55 52 48 47 47 48 47 47 47 47 47 46 45 46 46 45 44 45 Temperature(F)
TSD 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 3 3 2 2 2 2 2 2 3 3 SD of temp(F)
DPT 35 36 36 37 36 36 35 34 31 26 25 26 27 26 25 26 25 24 24 24 23 22 26 30 32 Dew point temp(F)
DSD 2 2 2 2 2 2 2 3 3 5 5 5 5 5 6 6 6 7 7 6 5 4 4 4 3 Dew point temp SD(F)
WBG 52 53 54 54 53 52 50 48 46 41 41 41 41 41 41 41 40 40 39 39 39 40 40 40 44 Wet bulb temp(F)
SKY 4 6 14 13 6 9 5 5 11 15 32 50 64 64 58 58 56 62 60 60 72 67 62 63 46 Sky cover(%)
SSD 9 10 27 20 9 13 6 8 8 17 22 20 23 26 27 26 29 17 26 29 21 25 25 25 30 Sky cover SD(%)
WDR 28 28 28 29 28 29 30 30 30 30 30 29 29 29 28 28 28 28 28 28 28 28 27 26 28 Wind dir (deg)
WSP 5 7 8 9 9 10 10 11 11 11 12 13 13 13 14 14 14 16 15 14 13 12 12 13 12 Wind spd (kts)
WSD 2 1 1 1 1 2 2 2 2 2 3 3 3 3 3 3 4 4 4 3 3 3 3 3 3 Wind spd SD(kts)
GST 13 15 17 19 19 20 20 21 22 22 23 24 25 25 26 27 28 28 27 26 24 23 25 25 24 Wind gust(kts)
GSD 2 2 2 2 2 2 2 3 3 3 4 4 4 4 5 5 5 5 5 5 4 3 4 4 3 Wind gust SD(kts)
P01 1 1 1 1 1 1 1 1 1 1 2 2 3 3 2 3 3 3 2 2 2 7 6 8 6 1-hr PoP(%)
P06 1 3 3 16 6-hr PoP(%)
Q01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 1 1 1 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 18 15 18 13 24 28 41 26 26 18 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 82 83 83 82 83 82 82 82 83 83 84 82 82 82 80 77 72 69 69 69 69 67 67 67 67 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 -88-88-88-88-88-88-88-88-88-88-88-88130130130 90 45 35 1 1 35 35 35 35 45 Ceiling height*
MVC 27 16 10 5 4 2 2 2 3 3 5 7 9 12 16 19 23 26 28 27 26 26 25 21 15 Prob cig<=3000ft(%) MVFR
IFC 5 2 2 1 2 1 2 2 2 3 4 4 5 5 6 6 8 11 14 11 10 9 8 5 4 Prob cig<1000ft(%) IFR
LIC 5 2 2 1 2 1 2 2 2 3 4 4 5 5 6 6 8 10 12 10 8 6 7 5 4 Prob cig<500ft(%) LIFR
LCB 140140110150160 60210 1 32 32 32 11 9 10 12 25 42 27 1 1 18 18 18 18 32 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100 3100100100100100 Visibility*
MVV 3 3 3 3 2 1 1 1 2 2 1 1 3 6 3 5 8 10 14 17 13 13 10 7 4 Prob vsby<=5mi(%) MVFR
IFV 3 3 3 3 2 1 1 1 1 2 1 1 2 4 2 3 6 8 11 13 11 11 8 6 3 Prob vsby<3mi(%) IFR
LIV 3 3 3 3 1 1 1 1 1 2 1 1 2 3 2 3 5 7 9 12 10 10 8 5 3 Prob vsby<1mi(%) LIFR
MHT 18 24 24 26 24 22 22 19 14 8 6 8 6 5 5 13 9 10 5 8 11 12 16 19 22 MixHgt 100s feet AGL
TWD 27 26 26 27 27 27 27 29 29 28 28 28 28 28 28 28 27 28 28 28 28 28 28 28 28 Transport wind dir
TWS 6 7 8 9 10 11 12 13 14 12 12 13 13 13 14 14 14 16 15 14 13 13 13 14 14 Transport wind spd(kts)
SOL 66 82 86 85 78 67 52 30 13 3 2 2 2 0 0 0 0 0 0 0 1 6 14 28 40 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
TIM70 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 44 49 43 57 47 Max/Min Temp(F)
XND 2 2 2 4 4 SD of max/min temps(F)
TMP 57 56 48 48 47 46 46 45 46 48 45 46 47 45 46 51 54 55 48 48 51 51 54 Temperature(F)
TSD 1 2 2 2 3 2 2 3 2 2 2 2 2 2 2 3 3 3 2 3 3 3 4 SD of temp(F)
DPT 37 35 26 27 26 24 22 32 33 32 18 18 17 16 15 25 31 31 17 12 11 11 14 Dew point temp(F)
DSD 2 2 5 5 6 7 4 3 3 3 7 5 5 6 6 4 4 5 7 8 8 8 7 Dew point temp SD(F)
WBG 54 50 41 41 41 39 40 44 46 44 38 39 39 38 39 46 51 49 39 39 41 41 45 Wet bulb temp(F)
SKY 13 5 15 64 58 60 67 46 44 61 59 41 41 55 41 25 25 13 20 24 24 16 15 Sky cover(%)
SSD 20 6 17 23 26 26 25 30 31 34 28 34 34 34 37 26 27 15 13 23 18 10 9 Sky cover SD(%)
WDR 29 30 30 29 28 28 28 28 28 29 30 30 31 31 28 28 28 29 29 27 26 24 0 Wind dir (deg)
WSP 9 10 11 13 14 15 12 12 12 13 10 10 7 5 4 3 6 5 2 2 2 3 4 Wind spd (kts)
WSD 1 2 2 3 3 4 3 3 2 3 3 3 3 3 3 2 2 2 2 2 3 3 3 Wind spd SD(kts)
GST 19 20 22 25 27 27 23 24 23 24 21 20 15 13 12 11 15 13 7 8 8 10 12 Wind gust(kts)
GSD 2 2 3 4 5 5 3 3 3 4 4 6 6 5 4 3 2 3 3 3 5 4 5 Wind gust SD(kts)
P06 1 3 3 16 16 13 0 0 0 0 0 6-hr PoP(%)
P12 5 26 13 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 1 5 0 0 0 Duration of precip(hrs)
T03 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3-hr Tstm prob(%)
T06 0 0 0 2 4 0 0 0 0 1 0 6-hr Tstm prob(%)
T12 0 4 0 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 18 13 41 18 5 18 4 4 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 82 82 83 82 77 69 67 67 69 72 71 68 66 66 65 79 94 96 92 92 96 93 91 Snow level 100s feet MSL
I06 0 0 0 0 0 0 0 0 0 0 0 6-hr ice(1/100in)
CIG -88-88-88130 90 1 35 45-88 90130-88-88-88-88-88-88-88-88-88-88-88-88 Ceiling height*
IFC 1 2 3 5 6 14 9 4 1 1 2 3 6 5 8 4 0 1 3 3 6 8 13 Prob cig<1000ft(%) IFR
LCB 150210 32 9 25 1 18 32 11 29 13 1 42 90 60 60 37 50 60 90 60 70 70 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
IFV 3 1 2 2 3 11 11 3 1 0 2-99-99-99-99-99-99-99-99-99-99-99-99 Prob vsby<3mi(%) IFR
MHT 26 22 8 6 13 5 12 22 30 27 13 5 4 5 7 21 31 23 2 4 4 4 4 MixHgt 100s feet AGL
TWD 27 27 28 28 28 28 28 28 28 28 30 30 31 32 27 28 29 29 28 26 14 12 13 Transport wind dir
TWS 9 12 12 13 14 15 13 14 15 14 12 10 9 8 7 6 7 8 6 5 5 6 6 Transport wind spd(kts)
SOL 85 52 3 2 0 0 6 40 57 39 3 2 0 0 13 19 70 56 18 9 0 0 5 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
TIM70 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 44| 49 43| 57 47| 66 51| 58 47| 49 45| 49 44| 53 45 42 62 Max/Min Temp(F)
XND 2| 2 2| 4 4| 4 4| 5 3| 7 3| 6 4| 7 5 SD of max/min temps(F)
TMP 46| 48 45| 55 51| 63 53| 54 50| 45 49| 46 47| 51 48 Temperature(F)
TSD 2| 2 2| 3 3| 4 4| 5 3| 6 4| 6 4| 7 5 SD of temp(F)
DPT 24| 32 16| 31 11| 35 30| 40 29| 40 28| 38 22| 37 18 Dew point temp(F)
DSD 7| 3 6| 5 8| 4 9| 4 8| 5 7| 6 9| 6 12 Dew point temp SD(F)
WBG 39| 44 38| 49 41| 55 46| 50 44| 44 42| 44 41| 46 40 Wet bulb temp(F)
SKY 60| 61 55| 13 16| 26 52| 36 70| 87 76| 63 53| 45 39 Sky cover(%)
SSD 26| 34 34| 15 10| 24 30| 20 23| 13 16| 19 22| 25 23 Sky cover SD(%)
WDR 28| 29 31| 29 24| 29 27| 28 25| 26 27| 29 29| 30 29 Wind dir (deg)
WSP 15| 13 5| 5 3| 4 7| 11 9| 6 8| 5 4| 4 4 Wind spd (kts)
WSD 4| 3 3| 2 3| 3 4| 3 6| 5 7| 5 5| 4 5 Wind spd SD(kts)
GST 27| 24 13| 13 10| 12 15| 23 23| 19 21| 16 12| 13 10 Wind gust(kts)
GSD 5| 4 5| 3 4| 5 6| 4 9| 8 12| 8 9| 6 7 Wind gust SD(kts)
P12 5| 26 13| 0 0| 0 4| 18 26| 64 87| 74 51| 38 27 -99-99 12-hr PoP(%)
Q12 0| 0 0| 0 0| 0 0| 0 0| 36 52| 30 13| 7 0 12-hr QPF(.01in)
Q24 | 0| 0| 0| 0| 88| 43| 7 72 24-hr QPF(.01in)
DUR 1| 5 0| 0 0| 0 0| 0 0| 5 7| 5 3| 3 0 Duration of precip(hrs)
T12 0| 4 0| 0 1| 0 2| 8 9| 9 10| 14 10| 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| 1 13| 6 3| 1 3 Cond prob Snow(%)
PPL 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0 Cond prob Sleet/IP(%)
PRA 13| 18 0| 0 0| 2 13| 19 38| 77 64| 65 17| 31 13 Cond prob of rain(%)
S12 0| 0 0| 0 0| 0 0| 0 0| 0 2| 2 0| 0 0 12-hr snow(1/10in)
S24 | 0| 0| 0| 0| 2| 2| 0 24-hr snow(1/10in)
SLV 69| 72 66| 96 93|102 97| 93 84| 83 73| 75 69| 80 78 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| 33 0| 39 7| 45 6| 45 4| 2 0| 33 6| 29 4 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
TIM70 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 57 48| 60 52| 63 52 Max/Min Temp(F)
XND 7 6| 7 6| 8 7 SD of max/min temps(F)
TMP 55 52| 58 55| 60 56 Temperature(F)
TSD 7 6| 8 6| 8 6 SD of temp(F)
DPT 36 19| 37 21| 38 23 Dew point temp(F)
DSD 7 12| 7 12| 7 11 Dew point temp SD(F)
WBG 49 43| 52 45| 53 46 Wet bulb temp(F)
SKY 48 29| 20 35| 31 40 Sky cover(%)
SSD 27 31| 13 4| 27 18 Sky cover SD(%)
WDR 30 28| 31 28| 29 26 Wind dir (deg)
WSP 3 6| 4 7| 3 7 Wind spd (kts)
WSD 4 7| 4 6| 4 6 Wind spd SD(kts)
GST 12 15| 13 14| 12 15 Wind gust(kts)
GSD 7 10| 6 9| 6 8 Wind gust SD(kts)
P12 25 17| 13 11| 10 7 12-hr PoP(%)
Q12 1 0| 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 1 0| 0 0| 0 1 Cond prob Snow(%)
PPL 0 0| 0 0| 0 0 Cond prob Sleet/IP(%)
PRA 30 10| 23 6| 5 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 85 84| 89 89| 95 94 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 16 14| 30 18| 27 12 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
TIM70 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 44| 49 43| 57 47| 66 51| 58 47| 49 45| 49 44| 53 45| 57 48| 57 Mean min/max temp(F)
TXNSD 3| 2 2| 4 4| 3 4| 5 3| 6 3| 6 4| 7 5| 7 6| 7 SD min/max temp(F)
TXNP1 41| 47 40| 52 42| 61 46| 52 43| 41 42| 42 41| 45 41| 46 41| 46 10th percentile min/max temp(F)
TXNP2 42| 48 41| 55 44| 64 48| 54 45| 45 43| 45 42| 47 42| 52 43| 52 25th percentile min/max temp(F)
TXNP5 44| 49 42| 58 46| 66 52| 58 47| 48 44| 47 43| 51 43| 58 48| 58 50th percentile min/max temp(F)
TXNP7 46| 50 44| 60 50| 69 54| 61 49| 54 46| 51 45| 58 47| 63 52| 63 75th percentile min/max temp(F)
TXNP9 47| 52 45| 62 53| 70 56| 64 50| 58 48| 57 48| 63 50| 66 57| 66 90th percentile min/max temp(F)
WSPP1 11| 8 2| 3 0| 2 4| 7 3| 2 1| 1 1| 2 1| 1 2| 1 10th percentile wnd(kts)
WSPP2 12| 10 4| 4 2| 3 5| 9 5| 3 4| 3 3| 3 3| 2 4| 2 25th percentile wnd(kts)
WSPP5 14| 12 6| 5 4| 5 8| 11 9| 6 9| 7 5| 5 5| 4 7| 5 50th percentile wnd(kts)
WSPP7 17| 14 8| 6 6| 7 10| 13 14| 10 12| 10 9| 8 10| 8 11| 8 75th percentile wnd(kts)
WSPP9 19| 16 11| 7 9| 9 13| 15 17| 15 19| 13 14| 11 14| 11 19| 12 90th percentile wnd(kts)
W24P1 | 14 | 15 | 9 | 9 | 14 | 9 | 8 | 8 | 7 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 15 | 17 | 10 | 10 | 16 | 11 | 10 | 10 | 9 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 16 | 19 | 11 | 11 | 18 | 15 | 14 | 12 | 12 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 18 | 20 | 12 | 14 | 19 | 18 | 18 | 16 | 16 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 19 | 22 | 14 | 15 | 21 | 21 | 21 | 18 | 18 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 25 | 27 | 19 | 18 | 26 | 21 | 19 | 19 | 17 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 27 | 30 | 21 | 20 | 28 | 25 | 23 | 21 | 20 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 28 | 31 | 22 | 22 | 31 | 30 | 26 | 24 | 23 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 30 | 33 | 24 | 25 | 33 | 35 | 32 | 28 | 29 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 31 | 35 | 25 | 26 | 35 | 40 | 39 | 31 | 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| 32| 6| 0| 0| 25th percentile 24hr QPF(1/100in)
Q24P5 | 0| 0| 0| 0| 94| 32| 0| 0| 50th percentile 24hr QPF(1/100in)
Q24P7 | 1| 0| 0| 3| 119| 74| 18| 5| 75th percentile 24hr QPF(1/100in)
Q24P9 | 8| 0| 0| 12| 141| 108| 59| 45| 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| 6| 5| 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|016 019|014 013|009 012|010 012|010 012|012 013|012 012|012 013|012 10th percentile MSLP(mb)
SLPP2 018|017 020|015 013|009 013|011 013|012 013|013 015|014 016|014 015|014 25th percentile MSLP(mb)
SLPP5 019|017 020|016 014|010 014|012 014|013 014|015 018|017 018|017 018|016 50th percentile MSLP(mb)
SLPP7 019|018 021|016 016|011 015|012 016|015 017|017 019|018 020|018 020|017 75th percentile MSLP(mb)
SLPP9 020|018 021|017 017|012 015|014 018|017 019|018 021|021 023|020 022|019 90th percentile MSLP(mb)