NBM Guidance for RED BOX (RXFO3)
45.0275N 121.9211W
Elevation 3363 ft
HOURLY TO 24 HOURS:
RXFO3 NBM V5.0 NBH GUIDANCE 8/27/2026 1400 UTC
UTC 15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 Time (UTC)
PDT 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 Time (PDT)
TMP 54 57 60 63 66 68 70 70 69 67 65 62 57 55 54 53 52 51 50 50 49 48 47 47 49 Temperature(F)
TSD 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 1 SD of temp(F)
DPT 54 56 55 54 50 47 43 43 45 46 47 48 48 49 49 50 51 51 50 50 49 48 47 47 49 Dew point temp(F)
DSD 2 2 3 3 3 3 3 3 3 3 3 3 3 2 3 2 2 2 2 2 2 2 2 2 2 Dew point temp SD(F)
WBG 54 57 59 62 63 64 64 63 62 60 59 56 54 52 52 51 51 51 50 49 48 48 47 48 49 Wet bulb temp(F)
SKY 46 32 18 22 15 10 6 6 4 5 11 11 22 26 38 32 26 36 30 31 30 30 48 49 42 Sky cover(%)
SSD 31 31 31 28 29 18 15 14 13 13 25 14 30 29 32 30 27 25 27 20 25 24 26 34 32 Sky cover SD(%)
WDR 28 26 26 27 27 26 27 27 29 29 30 31 31 31 32 32 32 32 33 33 34 33 33 34 28 Wind dir (deg)
WSP 1 1 2 2 3 3 3 3 3 3 3 2 2 2 1 1 0 0 0 0 0 0 0 0 0 Wind spd (kts)
WSD 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 Wind spd SD(kts)
GST 4 5 7 9 9 10 10 11 10 10 10 9 7 6 5 4 3 2 2 2 2 2 1 1 1 Wind gust(kts)
GSD 1 2 2 1 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 Wind gust SD(kts)
P01 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1-hr PoP(%)
P06 0 2 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 0 0 0 0 0 0 0 0 0 0 0 0 12 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 93 88 84 81 81 80 80 80 80 81 80 80 80 80 80 80 81 80 80 80 79 79 79 79 79 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 -88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88 Ceiling height*
MVC 14 12 11 5 5 2 2 1 1 0 1 1 1 1 2 3 6 7 8 10 12 14 15 15 14 Prob cig<=3000ft(%) MVFR
IFC 3 2 1 0 0 0 0 0 0 0 0 0 0 0 0 1 3 3 3 3 3 3 4 5 4 Prob cig<1000ft(%) IFR
LIC 3 2 1 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 2 2 2 2 2 3 2 Prob cig<500ft(%) LIFR
LCB 23 47 80 70 80 80 80160 90 90 35 28 30 25 21 35 60 60 25 26 28 29 27140 90 Lowest cloud base*
VIS 100100100100100100 70 50 50 60 60 70100100100100100100100100100100100100100 Visibility*
MVV 10 8 6 5 4 4 13 21 22 19 19 12 1 0 0 0 2 3 4 5 6 8 10 10 9 Prob vsby<=5mi(%) MVFR
IFV 3 2 2 1 1 1 4 9 8 6 6 4 0 0 0 0 0 0 1 2 3 4 5 6 5 Prob vsby<3mi(%) IFR
LIV 3 2 1 0 0 0 1 2 2 2 1 1 0 0 0 0 0 0 1 1 2 2 3 4 3 Prob vsby<1mi(%) LIFR
MHT 17 22 26 31 36 39 42 44 43 40 33 26 13 8 6 5 4 4 4 4 4 4 4 3 5 MixHgt 100s feet AGL
TWD 25 24 26 26 25 26 26 26 27 27 28 28 28 28 29 30 29 28 27 28 29 30 29 27 29 Transport wind dir
TWS 8 10 12 13 13 12 13 13 13 13 13 12 10 8 6 6 5 5 5 4 5 4 4 4 3 Transport wind spd(kts)
SOL 12 24 36 52 78 84 83 75 63 49 27 12 4 3 2 2 0 0 0 0 0 0 0 3 14 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
RXFO3 NBM V5.0 NBS GUIDANCE 8/27/2026 1400 UTC
DT /AUG 27/AUG 28 /AUG 29 /AUG 30
UTC 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Time (UTC)
PDT 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 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 47 72 46 64 43 Max/Min Temp(F)
XND 3 2 2 2 3 SD of max/min temps(F)
TMP 63 70 67 57 53 50 48 49 63 69 66 56 52 49 47 46 55 61 59 52 48 45 43 Temperature(F)
TSD 2 2 2 2 2 2 2 1 2 2 2 1 2 2 2 2 2 2 3 2 1 2 2 SD of temp(F)
DPT 54 43 46 48 50 50 48 49 50 46 48 46 48 49 47 46 47 40 44 42 44 44 43 Dew point temp(F)
DSD 3 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 3 4 3 3 2 3 Dew point temp SD(F)
WBG 62 64 60 54 51 50 48 49 61 64 60 52 49 48 47 46 54 58 54 48 47 45 43 Wet bulb temp(F)
SKY 22 6 5 22 32 30 30 42 5 5 3 29 43 73 72 57 26 28 22 40 41 46 36 Sky cover(%)
SSD 28 15 13 30 30 27 24 32 8 5 4 18 27 15 11 19 23 20 18 31 20 21 26 Sky cover SD(%)
WDR 27 27 29 31 32 33 33 28 29 29 30 29 28 27 28 26 28 29 29 29 28 27 26 Wind dir (deg)
WSP 2 3 3 2 1 0 0 0 2 3 3 2 2 1 1 1 2 3 3 2 1 0 0 Wind spd (kts)
WSD 0 0 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 1 1 1 Wind spd SD(kts)
GST 9 10 10 7 4 2 2 1 5 10 10 9 8 6 5 5 8 11 10 7 6 3 2 Wind gust(kts)
GSD 1 1 1 2 1 1 1 1 1 1 1 2 2 2 2 1 1 1 2 2 2 2 2 Wind gust SD(kts)
P06 0 2 1 0 0 2 10 6 3 7 1 6-hr PoP(%)
P12 2 0 12 3 7 12-hr PoP(%)
Q06 0 0 0 0 0 0 1 0 0 0 0 6-hr QPF(.01in)
Q12 0 0 1 0 0 12-hr QPF(.01in)
DUR 0 0 0 0 0 Duration of precip(hrs)
T03 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 3-hr Tstm prob(%)
T06 0 0 0 0 0 0 1 2 5 1 0 6-hr Tstm prob(%)
T12 0 0 1 5 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 20 23 23 0 0 2 2 2 2 0 0 Cond prob of rain(%)
S06 0 0 0 0 0 0 0 0 0 0 0 6-hr snow(1/10in)
SLV 81 80 81 80 80 80 79 79 80 84 83 81 80 79 75 67 66 72 74 74 74 70 68 Snow level 100s feet MSL
I06 0 0 0 0 0 0 0 0 0 0 0 6-hr ice(1/100in)
CIG -88-88-88-88-88-88-88-88-88-88-88-88-88100 80-88-88-88-88-88-88-88-88 Ceiling height*
IFC 0 0 0 0 1 3 3 4 1 0 0 2 3 4 6 4 2 0 0 1 2 4 5 Prob cig<1000ft(%) IFR
LCB 70 80 90 30 35 25 29 90200110 22 16 5 1 1 4 11 34 34 24 11 1 1 Lowest cloud base*
VIS 100 70 60100100100100100100100100100100100100100100100100100100100100 Visibility*
IFV 1 4 6 0 0 1 4 5 2 2 1-99-99-99-99-99-99-99-99-99-99-99-99 Prob vsby<3mi(%) IFR
MHT 31 42 40 13 5 4 4 5 26 41 35 15 7 8 8 14 35 46 45 15 8 6 4 MixHgt 100s feet AGL
TWD 26 26 27 28 30 27 30 29 28 27 28 29 29 28 28 27 28 28 29 28 28 28 28 Transport wind dir
TWS 13 13 13 10 6 5 4 3 6 10 12 10 8 8 8 9 10 12 14 10 7 8 7 Transport wind spd(kts)
SOL 52 83 49 4 2 0 0 14 61 81 50 5 2 0 0 4 32 57 61 20 10 0 0 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
RXFO3 NBM V5.0 NBE GUIDANCE 8/27/2026 1400 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 22| 34 46| 58 70| 82 94|106 118|130 142|154 166|178 190 Forecast Hour
TXN 47| 72 46| 64 43| 71 45| 76 48| 70 46| 66 46| 65 45 47 74 Max/Min Temp(F)
XND 3| 2 2| 2 3| 5 3| 4 3| 5 3| 7 3| 8 4 SD of max/min temps(F)
TMP 48| 66 47| 59 43| 65 46| 69 48| 63 48| 60 49| 60 47 Temperature(F)
TSD 2| 2 2| 3 2| 4 2| 4 3| 5 3| 7 3| 8 4 SD of temp(F)
DPT 48| 48 47| 44 43| 43 41| 46 47| 49 48| 48 48| 49 45 Dew point temp(F)
DSD 2| 2 2| 4 3| 3 3| 4 3| 4 3| 5 3| 5 4 Dew point temp SD(F)
WBG 48| 60 47| 54 43| 58 44| 62 47| 59 48| 57 48| 56 46 Wet bulb temp(F)
SKY 30| 3 72| 22 36| 15 21| 30 54| 27 62| 39 53| 33 39 Sky cover(%)
SSD 24| 4 11| 18 26| 26 27| 22 32| 24 13| 26 22| 26 27 Sky cover SD(%)
WDR 33| 30 28| 29 26| 31 16| 29 26| 27 23| 27 25| 27 25 Wind dir (deg)
WSP 0| 3 1| 3 0| 2 0| 2 0| 3 1| 2 1| 2 1 Wind spd (kts)
WSD 0| 0 1| 1 1| 0 1| 1 1| 1 1| 1 1| 1 1 Wind spd SD(kts)
GST 2| 10 5| 10 2| 7 2| 8 2| 10 4| 9 4| 8 4 Wind gust(kts)
GSD 1| 1 2| 2 2| 1 1| 2 2| 2 4| 3 5| 3 4 Wind gust SD(kts)
P12 2| 0 12| 3 7| 1 1| 0 5| 20 32| 39 47| 49 38 -99-99 12-hr PoP(%)
Q12 0| 0 1| 0 0| 0 0| 0 0| 2 0| 9 16| 23 9 12-hr QPF(.01in)
Q24 | 1| 0| 0| 0| 2| 25| 32 35 24-hr QPF(.01in)
DUR 0| 0 0| 0 0| 0 0| 0 0| 1 0| 3 4| 4 3 Duration of precip(hrs)
T12 0| 0 1| 5 1| 0 1| 1 2| 8 6| 6 7| 9 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 23| 2 0| 0 1| 0 16| 29 28| 39 38| 41 23 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 79| 83 75| 74 68| 86 88| 96 90| 88 84| 87 81| 83 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| 38 7| 46 7| 43 6| 28 3| 17 0| 10 2 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
RXFO3 NBM V5.0 NBX GUIDANCE 8/27/2026 1400 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 202 214|226 238|250 262 Forecast Hour
TXN 68 45| 71 48| 74 49 Max/Min Temp(F)
XND 10 6| 9 5| 8 4 SD of max/min temps(F)
TMP 63 48| 65 50| 68 51 Temperature(F)
TSD 9 6| 9 5| 8 5 SD of temp(F)
DPT 46 43| 47 43| 47 44 Dew point temp(F)
DSD 5 5| 7 7| 7 7 Dew point temp SD(F)
WBG 58 46| 60 47| 61 48 Wet bulb temp(F)
SKY 25 34| 26 29| 24 32 Sky cover(%)
SSD 18 26| 18 17| 12 17 Sky cover SD(%)
WDR 29 23| 31 31| 32 11 Wind dir (deg)
WSP 2 1| 2 1| 2 1 Wind spd (kts)
WSD 1 1| 1 1| 1 1 Wind spd SD(kts)
GST 7 3| 7 3| 8 4 Wind gust(kts)
GSD 4 4| 3 4| 3 4 Wind gust SD(kts)
P12 32 20| 24 20| 16 15 12-hr PoP(%)
Q12 2 4| 0 0| 1 0 12-hr QPF(.01in)
Q24 6| 0| 1 24-hr QPF(.01in)
DUR 1 1| 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 35 19| 20 9| 16 12 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 83 79| 86 81| 89 87 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 14 13| 21 10| 26 19 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
RXFO3 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 47| 72 46| 64 43| 71 45| 76 48| 70 46| 66 46| 65 45| 68 45| 68 Mean min/max temp(F)
TXNSD 3| 2 2| 2 3| 5 3| 4 3| 5 3| 7 3| 8 4| 10 6| 10 SD min/max temp(F)
TXNP1 44| 69 43| 61 39| 65 41| 72 44| 63 43| 57 43| 55 39| 57 38| 57 10th percentile min/max temp(F)
TXNP2 45| 71 44| 63 40| 68 42| 73 46| 66 45| 61 45| 59 43| 61 40| 61 25th percentile min/max temp(F)
TXNP5 47| 73 46| 64 42| 72 45| 76 48| 71 46| 66 46| 63 45| 68 45| 68 50th percentile min/max temp(F)
TXNP7 50| 74 48| 66 46| 75 47| 79 50| 74 48| 70 48| 71 47| 76 48| 76 75th percentile min/max temp(F)
TXNP9 51| 74 49| 67 47| 77 49| 82 52| 76 49| 75 49| 77 50| 80 53| 80 90th percentile min/max temp(F)
WSPP1 0| 2 1| 2 0| 1 0| 1 0| 2 0| 1 0| 1 0| 1 0| 1 10th percentile wnd(kts)
WSPP2 0| 3 1| 3 0| 2 0| 2 0| 2 0| 2 0| 2 0| 1 0| 1 25th percentile wnd(kts)
WSPP5 0| 3 1| 3 0| 2 0| 2 0| 3 1| 2 1| 2 1| 2 1| 2 50th percentile wnd(kts)
WSPP7 0| 3 1| 3 1| 2 1| 3 1| 3 1| 3 2| 3 2| 3 2| 3 75th percentile wnd(kts)
WSPP9 0| 3 2| 4 1| 2 1| 3 1| 3 2| 3 2| 4 2| 3 2| 3 90th percentile wnd(kts)
W24P1 | 3 | 3 | 3 | 2 | 2 | 3 | 2 | 2 | 2 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 4 | 4 | 4 | 3 | 3 | 4 | 3 | 3 | 3 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 5 | 4 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 11 | 12 | 12 | 9 | 9 | 11 | 10 | 9 | 9 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 13 | 13 | 13 | 9 | 10 | 12 | 11 | 10 | 10 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 13 | 14 | 14 | 10 | 12 | 14 | 13 | 12 | 12 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 14 | 14 | 15 | 11 | 13 | 15 | 16 | 16 | 14 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 15 | 16 | 16 | 12 | 15 | 17 | 19 | 20 | 19 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| 7| 6| 0| 50th percentile 24hr QPF(1/100in)
Q24P7 | 0| 0| 0| 0| 6| 47| 45| 13| 75th percentile 24hr QPF(1/100in)
Q24P9 | 14| 0| 0| 0| 20| 84| 97| 40| 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 018|013 018|015 018|011 012|007 012|010 015|011 013|013 014|013 014|012 10th percentile MSLP(mb)
SLPP2 018|014 018|016 019|013 013|009 014|012 016|014 016|014 016|014 016|014 25th percentile MSLP(mb)
SLPP5 018|014 019|017 020|014 014|010 014|013 017|015 019|017 018|016 018|016 50th percentile MSLP(mb)
SLPP7 019|015 020|017 021|016 016|011 016|014 019|018 021|019 021|018 020|017 75th percentile MSLP(mb)
SLPP9 019|015 020|018 022|018 017|012 017|015 020|019 023|021 023|020 022|019 90th percentile MSLP(mb)