Spot Forecast
Issued by NWS San Diego, CA

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858
FNUS76 KSGX 291626
FWSSGX

Spot Forecast for Corona Pile Burn...US Forest Service
National Weather Service San Diego CA
826 AM PST Sat Nov 29 2025

Forecast is based on ignition time of 0900 PST on November 29.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
Cooler weather and better moisture through Tuesday with highs near
or below normal and afternoon humidity above 25%. Overnight
recoveries will be very good to excellent, nearing 90-100% most
nights. No precipitation expected through Tuesday, although
patchy fog may be possible in the early morning hours the next few
days. Winds will be light today and tomorrow, switching
northeasterly on Monday with gusts 25-30 mph at times beginning
around sunrise and continuing into Monday afternoon. Lighter
winds on Tuesday. Precipitation chances return on Wednesday, around
30%.

.REST OF TODAY...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly sunny (10-20 percent).
Max temperature.....Around 73.
Min humidity........40 percent.
Eye level winds.....Light winds becoming west around 4 mph late in
                    the afternoon, then becoming light late in the
                    afternoon.
Wind (20 ft)........
 Slope/valley.......Light winds becoming west around 5 mph late in
                    the afternoon, then becoming light late in the
                    afternoon.
 Ridgetop...........Northeast 5 to 10 mph shifting to the northwest
                    early in the afternoon, then shifting to the
                    south early in the afternoon shifting to the
                    northeast late in the afternoon shifting to the
                    northwest shifting to the southeast late in the
                    afternoon.
CWR.................0 percent.
Mixing height.......2300 ft AGL.
Transport winds.....Northeast around 2 mph shifting to the west in
                    the afternoon.

TIME (PST)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........53  39  39  39  22  22  22  11  11
Weather cov.....
Weather type....
Tstm cov........
Temp............55  62  65  69  71  71  72  70  67
RH..............70  57  50  43  40  41  41  47  53
20 FT wind dir..N   N   N   NW  NW  W   W   W   W
20 FT wind spd..0   1   2   2   2   5   5   5   3
20 FT wind gust.    4   5   6   6   8   9   10  7
Eye lvl wnd dir.N   N   N   NW  NW  W   W   W   W
Eye lvl wnd spd.0   1   1   1   1   3   4   4   2
Eye lvl wnd gst.    3   4   4   4   6   7   7   5
Ridge wind dir..NE  N   NE  E   NW  S   NE  NW  SE
Ridge wind spd..10  10  10  5   5   0   0   5   5
CWR.............0   0   0   0   0   0   0   0   0

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent). Patchy fog in
                    the late evening and overnight.
Min temperature.....Around 47.
Max humidity........95 percent.
Eye level winds.....Light winds.
Wind (20 ft)........
 Slope/valley.......Light winds.
 Ridgetop...........Southeast around 5 mph shifting to the west
                    early in the evening, then shifting to the
                    southeast early in the evening shifting to the
                    west late in the evening shifting to the south
                    shifting to the southwest overnight shifting to
                    the west.
CWR.................0 percent.
Mixing height.......400 ft AGL.
Transport winds.....West 3 to 6 mph shifting to the northeast 1 to
                    3 mph early in the evening, then shifting to
                    the northwest around 2 mph after 3 am shifting
                    to the north early in the morning.

TIME (PST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........11  9   9   9   31  31  31  36  36  36  60  60
Weather cov.....                PTY PTY PTY PTY PTY PTY PTY PTY
Weather type....                FOG FOG FOG FOG FOG FOG FOG FOG
Tstm cov........
Temp............65  60  58  56  55  54  53  52  51  50  49  48
RH..............60  71  75  79  80  82  83  85  86  89  92  93
20 FT wind dir..NW  N   NE  NE  NE  NE  NE  E   NE  N   N   N
20 FT wind spd..1   1   2   2   2   1   1   1   1   1   1   1
20 FT wind gust.4   4   6   6   6   5   4   5   4   4   5   5
Eye lvl wnd dir.NW  N   NE  NE  NE  NE  NE  E   NE  N   N   N
Eye lvl wnd spd.1   1   1   1   1   1   1   1   1   1   1   1
Eye lvl wnd gst.3   3   4   4   4   4   3   4   3   3   4   4
Ridge wind dir..SE  W   SE  SE  W   SE  S   W   SW  SW  W   W
Ridge wind spd..5   0   5   5   0   0   0   5   0   0   10  5
CWR.............0   0   0   0   0   0   0   0   0   0   0   0

.SUNDAY...

Sky/weather.........Partly cloudy (55-65 percent) then becoming
                    mostly cloudy (75-85 percent) then becoming
                    mostly sunny (15-25 percent) then becoming
                    partly cloudy (25-35 percent). Patchy fog early
                    in the morning.
Max temperature.....Around 69.
Min humidity........53 percent.
Eye level winds.....Light winds becoming west up to 5 mph in the
                    afternoon.
Wind (20 ft)........
 Slope/valley.......Light winds becoming northwest 5 to 7 mph in
                    the afternoon.
 Ridgetop...........West 5 to 10 mph.
CWR.................0 percent.
Mixing height.......2300 ft AGL.
Transport winds.....Northeast 1 to 2 mph shifting to the west 5 to
                    8 mph in the afternoon.

TIME (PST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........60  79  79  79  18  18  18  20  20  20  29  29
Weather cov.....PTY PTY PTY PTY
Weather type....FOG FOG FOG FOG
Tstm cov........
Temp............48  48  51  54  60  64  67  68  69  68  66  64
RH..............95  93  88  83  70  60  55  53  54  57  62  68
20 FT wind dir..N   E   N   N   N   N   NW  NW  W   W   W   W
20 FT wind spd..1   1   1   2   1   1   2   5   7   7   7   6
20 FT wind gust.4   4   5   5   4   5   5   8   11  12  12  10
Eye lvl wnd dir.N   E   N   N   N   N   NW  NW  W   W   W   W
Eye lvl wnd spd.1   1   1   1   1   1   1   3   4   5   4   4
Eye lvl wnd gst.3   3   4   4   3   4   4   6   8   9   9   7
Ridge wind dir..W   W   SW  SW  W   W   W   W   W   W   W   W
Ridge wind spd..5   5   5   5   10  10  10  10  10  10  10  5
CWR.............0   0   0   0   0   0   0   0   0   0   0   0

$$
Forecaster...SAMANTHA ZUBER
Requested by...Gregory Triffet
Type of request...PRESCRIBED
.TAG 2526645.3/SGX
.DELDT 11/29/25
.FormatterVersion 2.0.0
.EMAIL cyrus.galvan@usda.gov,gregory.triffet@usda.gov