Spot Forecast
Issued by NWS San Diego, CA

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FNUS76 KSGX 021258
FWSSGX

Spot Forecast for Sycamore Rx Pile Burn...USFS
National Weather Service San Diego CA
458 AM PST Tue Dec 2 2025

Forecast is based on ignition time of 0700 PST on December 02.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
Light winds today, with low humidity. Wind flow turning weakly
onshore this afternoon. That`s when humidity will increase noticeably
during the afternoon and evening as the marine layer deepens. Very
humid before sunrise Wednesday. Next offshore winds Wednesday late
morning through Friday, strongest period late Wednesday morning
through Wednesday night, dropping humidity.

.TODAY...

Sky/weather.........Mostly sunny (5-15 percent) then becoming
                    partly cloudy (25-35 percent) then becoming
                    mostly sunny (15-25 percent).
Max temperature.....Around 65.
Min humidity........16 percent.
Eye level winds.....Northwest winds up to 7 mph with gusts to
                    around 12 mph early in the morning becoming
                    light, then becoming southwest up to 5 mph in
                    the afternoon.
Wind (20 ft)........
 Slope/valley.......North winds around 10 mph with gusts to around
                    16 mph shifting to the northwest 6 to 8 mph
                    early in the morning, then becoming light late
                    in the morning becoming southwest 5 to 7 mph in
                    the afternoon.
 Ridgetop...........Northwest 0 to 5 mph shifting to the southwest
                    late in the afternoon.
CWR.................0 percent.
Mixing height.......3000 ft AGL.
Transport winds.....North 2 to 9 mph shifting to the southwest 2 to
                    8 mph late in the morning.

TIME (PST)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........7   7   7   11  11  11  32  32  32  19  19
Weather cov.....
Weather type....
Tstm cov........
Temp............50  53  57  61  63  64  65  64  64  62  58
RH..............19  18  17  18  19  21  21  23  25  30  38
20 FT wind dir..N   N   NW  N   S   S   SW  SW  SW  SW  SW
20 FT wind spd..10  8   6   2   3   3   6   7   7   6   5
20 FT wind gust.16  13  11  6   8   8   11  11  12  11  9
Eye lvl wnd dir.N   N   NW  N   S   S   SW  SW  SW  SW  SW
Eye lvl wnd spd.7   6   4   1   3   3   4   4   5   4   4
Eye lvl wnd gst.12  9   8   5   6   6   8   8   9   8   7
Ridge wind dir..NW  W   W   NW  NW  W   NW  SW  SW  W   SW
Ridge wind spd..5   5   5   5   5   0   5   5   10  5   10
CWR.............0   0   0   0   0   0   0   0   0   0   0

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (80-90 percent). Patchy fog in
                    the late evening and overnight.
Min temperature.....Around 48.
Max humidity........89 percent.
Eye level winds.....Light winds.
Wind (20 ft)........
 Slope/valley.......Light winds.
 Ridgetop...........Southwest 5 to 10 mph shifting to the west
                    after 3 am, then shifting to the southwest
                    early in the morning.
CWR.................0 percent.
Mixing height.......700 ft AGL.
Transport winds.....South 5 to 8 mph.

TIME (PST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........19  41  41  41  83  83  83  85  85  85  83  83
Weather cov.....                PTY PTY PTY PTY PTY PTY PTY PTY
Weather type....                FOG FOG FOG FOG FOG FOG FOG FOG
Tstm cov........
Temp............56  54  52  51  50  48  49  49  49  48  48  48
RH..............47  56  62  66  68  73  78  83  84  86  88  88
20 FT wind dir..S   S   S   SE  SE  SE  S   S   S   S   S   N
20 FT wind spd..3   3   3   3   3   3   2   2   1   1   1   0
20 FT wind gust.8   6   6   7   7   6   6   5   4   4
Eye lvl wnd dir.S   S   S   SE  SE  SE  S   S   S   S   S   N
Eye lvl wnd spd.3   2   2   2   2   2   1   1   1   1   1   0
Eye lvl wnd gst.6   5   5   5   5   5   4   4   3   3
Ridge wind dir..SW  W   SW  SW  W   SW  SW  W   SW  SW  W   SW
Ridge wind spd..5   5   10  10  10  10  10  10  10  10  10  5
CWR.............0   0   0   0   0   0   0   0   0   0   0   0

.WEDNESDAY...

Sky/weather.........Mostly cloudy (80-90 percent) then becoming
                    mostly sunny (5-15 percent). Patchy fog early
                    in the morning.
Max temperature.....Around 62.
Min humidity........26 percent.
Eye level winds.....Light winds becoming north 11 to 12 mph with
                    gusts to around 19 mph.
Wind (20 ft)........
 Slope/valley.......North winds 5 to 17 mph decreasing to 6 to 12
                    mph with gusts to around 18 mph early in the
                    morning, then increasing to 15 to 17 mph with
                    gusts to around 27 mph in the late morning and
                    afternoon.
 Ridgetop...........North winds around 15 mph increasing to around
                    35 mph.
CWR.................1 percent.
Mixing height.......3800 ft AGL.
Transport winds.....North 3 to 10 mph increasing to 21 to 30 mph in
                    the late morning and afternoon.

TIME (PST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........83  14  14  14  11  11  11  4   4   4   11  11
Weather cov.....PTY
Weather type....FOG
Tstm cov........
Temp............45  47  50  53  57  60  61  61  62  61  60  57
RH..............79  71  57  45  35  31  30  30  28  26  27  28
20 FT wind dir..N   N   N   N   N   N   N   N   N   N   N   N
20 FT wind spd..0   1   6   12  16  17  17  16  15  15  15  16
20 FT wind gust.    4   11  18  25  27  26  25  25  22  22  25
Eye lvl wnd dir.N   N   N   N   N   N   N   N   N   N   N   N
Eye lvl wnd spd.0   1   4   8   11  12  12  11  11  11  11  11
Eye lvl wnd gst.    3   8   13  18  19  19  18  18  16  16  18
Ridge wind dir..N   N   N   N   N   N   N   N   N   N   N   N
Ridge wind spd..0   15  15  25  30  30  30  30  30  30  35  35
CWR.............0   0   0   0   0   0   0   0   0   0   0   0

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY...
Mostly clear. Lows in the mid 40s. Highs in the lower 60s. North
winds 8 to 20 mph at eye level.
.FRIDAY...
Mostly clear. Lows in the mid 40s. Highs in the mid 60s. North
winds 4 to 10 mph at eye level.
.SATURDAY...
Clear. Lows in the upper 40s. Highs in the upper 60s. Light
winds at eye level.

$$
Forecaster...MIGUEL MILLER
Requested by...Romaldo Navarro
Type of request...PRESCRIBED
.TAG 2526773.0/SGX
.DELDT 12/02/25
.FormatterVersion 2.0.0
.EMAIL romaldo.navarro@usda.gov