NBM Guidance for ILLINOIS VALLEY AIRP (SBFO3)
42.1037N 123.6850W
Elevation 1398 ft
HOURLY TO 24 HOURS:
SBFO3 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 68 73 78 82 84 85 85 84 82 77 72 68 65 63 59 57 54 52 50 48 47 46 52 60 Temperature(F)
TSD 1 1 1 1 1 1 1 1 2 2 2 3 2 2 2 2 2 2 2 2 2 2 1 1 1 SD of temp(F)
DPT 54 53 52 50 47 46 45 44 44 44 44 45 46 47 48 48 48 48 47 47 47 47 46 50 51 Dew point temp(F)
DSD 2 2 2 3 3 3 3 3 4 4 4 4 3 3 3 3 3 2 2 2 2 2 2 2 3 Dew point temp SD(F)
WBG 59 63 68 71 73 73 73 71 71 68 66 62 60 58 57 55 54 52 49 49 48 46 46 52 58 Wet bulb temp(F)
SKY 12 8 4 0 1 1 1 1 0 0 1 3 8 7 3 2 3 4 2 6 10 32 40 38 31 Sky cover(%)
SSD 23 19 11 1 4 4 1 5 0 0 1 4 8 8 7 7 7 8 7 10 11 30 36 35 36 Sky cover SD(%)
WDR 8 9 14 22 23 24 24 24 23 23 23 23 23 2 1 36 35 35 35 36 0 0 1 2 2 Wind dir (deg)
WSP 0 1 2 2 3 4 4 5 5 5 3 3 2 1 0 0 0 1 0 0 0 0 0 1 2 Wind spd (kts)
WSD 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Wind spd SD(kts)
GST 2 3 5 7 9 10 11 12 13 11 9 7 6 4 3 3 4 4 3 3 3 3 3 3 5 Wind gust(kts)
GSD 1 1 2 2 2 2 2 2 2 2 2 2 1 1 2 2 2 2 2 2 1 1 1 2 1 Wind gust SD(kts)
P01 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 PoP(%)
P06 0 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 97 93 89 88 89 89 90 90 90 90 90 90 90 90 90 90 88 87 85 84 82 81 81 81 82 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 2 4-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88 11 7 4 4 11 Ceiling height*
MVC 37 29 21 16 15 10 10 9 9 10 11 12 16 14 15 17 23 24 27 29 31 33 33 31 32 Prob cig<=3000ft(%) MVFR
IFC 36 27 20 16 14 10 8 5 5 7 10 11 16 14 15 15 19 17 21 24 27 28 26 24 25 Prob cig<1000ft(%) IFR
LIC 35 26 16 8 6 4 3 2 0 1 3 6 10 10 11 11 13 11 13 16 17 19 18 17 15 Prob cig<500ft(%) LIFR
LCB 2 4 20-88-88-88-88-88-88-88-88 36 28 24 24 28-88-88 12 14 10 5 3 4 11 Lowest cloud base*
VIS 5 10100100100100100100100100100100100100100100100100100100100 8 3 8 10 Visibility*
MVV 36 24 13 7 6 3 3 2 0 1 4 4 6 8 11 11 14 14 18 20 21 23 27 23 18 Prob vsby<=5mi(%) MVFR
IFV 34 22 12 6 4 2 2 2 0 0 3 4 5 7 9 10 12 11 13 14 16 17 21 19 15 Prob vsby<3mi(%) IFR
LIV 29 17 8 4 2 1 1 1 0 0 3 4 3 4 6 7 9 8 8 10 11 13 16 15 11 Prob vsby<1mi(%) LIFR
MHT 13 20 30 38 42 45 43 40 35 30 17 5 4 4 5 5 5 5 4 4 5 4 5 7 13 MixHgt 100s feet AGL
TWD 30 25 24 24 24 24 24 24 26 26 26 27 30 2 1 1 2 3 2 2 1 2 1 4 3 Transport wind dir
TWS 3 3 5 6 6 8 8 9 8 8 7 6 5 4 4 4 5 5 5 5 5 5 6 6 7 Transport wind spd(kts)
SOL 34 52 66 84 88 88 82 71 56 34 16 4 3 2 2 0 0 0 0 0 0 0 1 16 32 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
SBFO3 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 46 88 44 85 45 Max/Min Temp(F)
XND 4 2 3 3 3 SD of max/min temps(F)
TMP 84 84 72 63 54 48 52 72 83 83 71 62 53 46 50 68 79 81 71 61 51 45 48 Temperature(F)
TSD 1 2 3 2 2 2 1 2 2 2 2 1 2 2 1 3 2 2 2 2 1 1 2 SD of temp(F)
DPT 46 44 45 48 48 47 50 52 47 48 47 49 47 45 47 47 42 39 38 41 42 41 44 Dew point temp(F)
DSD 3 4 4 3 2 2 2 3 3 5 3 2 2 2 1 3 3 3 3 4 3 3 2 Dew point temp SD(F)
WBG 73 71 62 57 52 48 52 67 73 70 62 56 51 45 49 63 70 68 59 54 47 43 47 Wet bulb temp(F)
SKY 1 0 3 3 4 10 38 5 1 2 13 4 5 10 20 3 2 11 2 2 6 4 3 Sky cover(%)
SSD 4 0 4 7 8 11 35 20 2 5 12 3 5 14 21 7 7 12 3 2 16 5 3 Sky cover SD(%)
WDR 24 23 23 1 35 0 2 2 3 27 29 1 2 2 2 2 0 36 2 4 5 5 5 Wind dir (deg)
WSP 4 5 3 0 1 0 1 3 3 6 3 1 1 1 2 5 4 5 6 6 4 2 3 Wind spd (kts)
WSD 1 1 1 1 1 1 1 1 1 2 1 2 1 1 1 1 2 1 2 2 1 1 1 Wind spd SD(kts)
GST 10 13 7 3 4 3 3 7 9 14 8 5 5 4 5 11 10 13 14 14 9 6 6 Wind gust(kts)
GSD 2 2 2 2 2 1 2 2 2 3 2 3 3 2 2 2 3 2 3 3 2 2 2 Wind gust SD(kts)
P06 0 0 0 0 0 0 0 0 0 0 0 6-hr PoP(%)
P12 0 0 0 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3-hr Tstm prob(%)
T06 0 0 0 0 0 0 0 0 0 0 0 6-hr Tstm prob(%)
T12 0 0 0 0 0 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 89 90 90 90 87 82 81 85 86 88 88 91 88 84 89 84 81 79 84 81 78 77 77 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 11 4-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88 Ceiling height*
IFC 10 5 11 15 17 27 24 21 12 9 15 17 25 28 26 19 13 11 13 15 19 25 28 Prob cig<1000ft(%) IFR
LCB -88-88 36 24-88 10 4140260 50 60 30 25 1 1190230200250220200180200 Lowest cloud base*
VIS 100100100100100100 8100100100100 90100 80 70100100100100100100 90 40 Visibility*
IFV 2 0 4 9 11 16 19 8 1 1 4 8 10 12 17 4 3 2 4 6 9 15 20 Prob vsby<3mi(%) IFR
MHT 45 35 5 5 5 5 7 26 49 45 11 5 5 5 9 30 51 57 15 5 5 4 5 MixHgt 100s feet AGL
TWD 24 26 27 1 3 1 4 3 28 26 32 2 3 3 3 2 1 2 3 5 5 5 5 Transport wind dir
TWS 8 8 6 4 5 5 6 6 5 8 6 6 7 6 6 8 7 9 9 9 8 7 7 Transport wind spd(kts)
SOL 88 56 4 2 0 0 16 62 87 57 6 3 0 0 13 50 86 65 22 11 0 0 4 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
SBFO3 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 46| 88 44| 85 45| 89 47| 86 44| 79 42| 77 43| 79 43 47 88 Max/Min Temp(F)
XND 4| 2 3| 3 3| 3 4| 4 3| 5 2| 7 3| 9 4 SD of max/min temps(F)
TMP 48| 83 46| 81 45| 85 48| 79 46| 74 46| 73 47| 75 46 Temperature(F)
TSD 2| 2 2| 2 1| 3 2| 4 2| 5 2| 7 3| 9 4 SD of temp(F)
DPT 47| 48 45| 39 41| 36 39| 44 43| 46 44| 45 45| 45 43 Dew point temp(F)
DSD 2| 5 2| 3 3| 4 3| 4 3| 4 3| 5 4| 7 4 Dew point temp SD(F)
WBG 48| 70 45| 68 43| 69 44| 67 45| 65 45| 64 46| 65 44 Wet bulb temp(F)
SKY 10| 2 10| 11 4| 4 10| 17 39| 17 50| 21 33| 13 26 Sky cover(%)
SSD 11| 5 14| 12 5| 21 9| 19 22| 35 24| 17 28| 11 19 Sky cover SD(%)
WDR 0| 27 2| 36 5| 34 7| 26 19| 26 18| 25 17| 28 6 Wind dir (deg)
WSP 0| 6 1| 5 2| 4 0| 7 0| 7 0| 7 0| 6 0 Wind spd (kts)
WSD 1| 2 1| 1 1| 1 1| 1 1| 2 1| 3 2| 2 2 Wind spd SD(kts)
GST 3| 14 4| 13 6| 10 2| 15 1| 16 2| 17 4| 14 3 Wind gust(kts)
GSD 1| 3 2| 2 2| 2 2| 2 2| 3 4| 5 5| 4 4 Wind gust SD(kts)
P12 0| 0 0| 0 0| 0 0| 0 3| 13 22| 19 27| 27 17 -99-99 12-hr PoP(%)
Q12 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 1| 0 0 12-hr QPF(.01in)
Q24 | 0| 0| 0| 0| 0| 1| 0 12 24-hr QPF(.01in)
DUR 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0 Duration of precip(hrs)
T12 0| 0 0| 0 0| 0 1| 1 2| 6 2| 4 4| 6 4 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 4| 18 16| 19 23| 20 11 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 82| 88 84| 79 77| 92 96| 95 88| 85 79| 89 86| 90 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 5| 52 2| 53 8| 48 8| 47 6| 22 4| 43 7| 46 7 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
SBFO3 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 82 44| 84 47| 87 48 Max/Min Temp(F)
XND 9 6| 9 6| 8 6 SD of max/min temps(F)
TMP 78 47| 80 49| 82 50 Temperature(F)
TSD 9 6| 10 6| 9 6 SD of temp(F)
DPT 41 41| 41 42| 42 43 Dew point temp(F)
DSD 7 5| 8 5| 7 5 Dew point temp SD(F)
WBG 66 45| 67 46| 69 47 Wet bulb temp(F)
SKY 8 18| 9 22| 12 21 Sky cover(%)
SSD 7 13| 6 13| 7 12 Sky cover SD(%)
WDR 31 7| 34 5| 34 5 Wind dir (deg)
WSP 5 0| 5 0| 4 0 Wind spd (kts)
WSD 3 1| 3 1| 2 1 Wind spd SD(kts)
GST 14 4| 13 2| 12 2 Wind gust(kts)
GSD 5 3| 4 3| 4 3 Wind gust SD(kts)
P12 9 6| 10 10| 8 9 12-hr PoP(%)
Q12 0 0| 0 0| 1 0 12-hr QPF(.01in)
Q24 0| 0| 1 24-hr QPF(.01in)
DUR 0 0| 0 0| 1 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 7 5| 10 5| 11 4 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| 89 83| 92 90 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 22 18| 35 20| 36 20 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
SBFO3 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| 88 45| 85 45| 89 47| 86 44| 79 42| 77 43| 79 43| 82 44| 82 Mean min/max temp(F)
TXNSD 4| 2 3| 3 3| 3 4| 4 3| 5 2| 7 3| 8 4| 9 6| 9 SD min/max temp(F)
TXNP1 43| 86 41| 81 40| 84 41| 82 41| 74 39| 70 40| 69 38| 72 36| 72 10th percentile min/max temp(F)
TXNP2 44| 87 42| 83 42| 87 43| 84 42| 75 41| 74 41| 73 40| 75 39| 75 25th percentile min/max temp(F)
TXNP5 46| 88 45| 85 43| 90 45| 86 43| 79 42| 77 43| 77 42| 81 42| 81 50th percentile min/max temp(F)
TXNP7 51| 90 48| 87 48| 91 51| 89 46| 83 43| 82 44| 85 45| 87 47| 87 75th percentile min/max temp(F)
TXNP9 52| 91 50| 88 49| 92 52| 91 48| 86 45| 86 46| 91 48| 95 52| 95 90th percentile min/max temp(F)
WSPP1 0| 4 0| 4 1| 3 0| 5 0| 5 0| 4 0| 2 0| 3 0| 2 10th percentile wnd(kts)
WSPP2 0| 5 0| 5 2| 3 0| 6 0| 6 0| 5 0| 4 0| 4 0| 4 25th percentile wnd(kts)
WSPP5 0| 6 1| 5 2| 4 0| 6 0| 7 0| 7 1| 6 1| 5 1| 5 50th percentile wnd(kts)
WSPP7 1| 7 2| 7 3| 4 1| 7 0| 8 1| 8 2| 7 2| 7 2| 7 75th percentile wnd(kts)
WSPP9 1| 8 2| 8 3| 6 2| 8 1| 9 2| 10 4| 8 3| 9 3| 8 90th percentile wnd(kts)
W24P1 | 6 | 7 | 7 | 7 | 7 | 8 | 7 | 6 | 6 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 7 | 7 | 8 | 7 | 8 | 9 | 8 | 7 | 7 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 8 | 8 | 9 | 7 | 9 | 9 | 9 | 9 | 8 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 8 | 9 | 9 | 8 | 10 | 10 | 10 | 10 | 10 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 9 | 10 | 10 | 9 | 10 | 11 | 12 | 11 | 12 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 14 | 15 | 16 | 15 | 16 | 17 | 16 | 14 | 14 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 15 | 16 | 17 | 15 | 17 | 18 | 17 | 16 | 16 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 16 | 17 | 18 | 16 | 19 | 20 | 19 | 18 | 18 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 17 | 19 | 20 | 17 | 20 | 21 | 23 | 21 | 21 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 18 | 20 | 21 | 18 | 21 | 23 | 27 | 25 | 24 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| 0| 4| 2| 0| 75th percentile 24hr QPF(1/100in)
Q24P9 | 0| 0| 0| 0| 25| 34| 32| 2| 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|012 017|012 016|009 012|008 013|010 015|012 015|012 014|009 012|009 10th percentile MSLP(mb)
SLPP2 017|012 018|013 016|010 012|009 015|012 017|014 018|013 016|011 014|010 25th percentile MSLP(mb)
SLPP5 017|013 018|014 018|011 014|010 016|014 018|016 019|015 018|013 016|012 50th percentile MSLP(mb)
SLPP7 018|014 019|015 020|012 015|011 017|014 019|017 021|016 019|015 019|015 75th percentile MSLP(mb)
SLPP9 018|014 020|015 020|014 015|012 018|015 021|018 022|018 020|017 021|018 90th percentile MSLP(mb)