Spot Forecast
Issued by NWS San Diego, CA

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Spot Forecast for BORDER 18...CALFIRE SDU
National Weather Service San Diego CA
637 PM PST Sat Nov 8 2025

Forecast is based on forecast start time of 1900 PST on November 08.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
Clear tonight with mostly calm surface winds and increasing
easterly winds at ridgetop (around 2000 feet). Greatest humidity
recovery early tonight before RH drops overnight. Very dry Sunday,
with periods of generally weak northeast winds at the surface and
steady east breezes at ridgetop. East winds strengthen and
surface starting early Monday morning, peaking mid-morning into
the early afternoon at the surface Monday, resulting in very dry
conditions with min humidity approaching single digits. Winds calm
and switch to the northwest late Monday afternoon.

.REST OF TONIGHT...

Sky/weather.........Mostly clear.
Min temperature.....Around 58 degrees.
Max humidity........60 percent.
Eye level winds.....Variable 1-3 mph.
Wind (20 ft)........
 Slope/valley.......East to northeast 1-4 mph.
 Ridgetop...........East 10-15 mph increasing to 15-20 mph
                    overnight.
CWR.................0 percent.
Mixing height.......Decreasing to 200 ft AGL.
Transport winds.....Northeast 2 to 7 mph.

TIME (PST)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
Sky (%).........9      9      7      6      6      5
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............62     61     60     59     60     59
RH..............60     55     46     43     41     37
20 ft wind......N 2    NE 3   N 4    N 4    N 3    NE 3
20 ft wind gust.1      5      4      5      4      4
Eye level wind..E 1    NE 1   N 1    N 1    N 1    NE 1
Eye lvl wnd gst.       4      3      4      3      3
Ridgetop wind...E 15   E 20   E 20   E 20   E 20   E 20
CWR.............0      0      0      0      0      0

.SUNDAY...

Sky/weather.........Sunny.
Max temperature.....87-90 degrees.
Min humidity........13-15 percent.
Eye level winds.....Light winds becoming north-northeast 3-5 mph
after 1100 PDT, then becoming light after
1600 PDT.
Wind (20 ft)........
 Slope/valley.......East to northeast 1-4 mph becoming northeast
3-8 mph after 1100 PDT, then becoming light after
1600 PDT.
 Ridgetop...........East 10-15 mph.
CWR.................0 percent.
Mixing height.......Increasing to 5400 ft AGL.
Transport winds.....East 6 to 10 mph.

TIME (PST)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........5      4      5      5      4      5
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............58     67     81     87     86     81
RH..............34     28     16     15     15     20
20 ft wind......N 1    E 1    NE 2   E 6    NE 8   N 5
20 ft wind gust.4      4      6      11     13     8
Eye level wind..N 1    E 1    NE 1   E 4    NE 5   N 3
Eye lvl wnd gst.3      3      4      8      9      6
Ridgetop wind...E 18   E 15   E 13   E 12   E 14   E 15
CWR.............0      0      0      0      0      0

.SUNDAY NIGHT...

Sky/weather.........Clear.
Min temperature.....Around 63 degrees.
Max humidity........32 percent.
Eye level winds.....Light winds becoming east 4-7 mph with
                    gusts to around 12 mph early Monday morning.
Wind (20 ft)........
 Slope/valley.......Light winds becoming east 5-9 mph with gusts
                    to around 16 mph early Monday morning.
 Ridgetop...........East 10-15 mph increasing to 15-25 mph after
midnight.
CWR.................0 percent.
Mixing height.......Decreasing to 200 ft AGL.
Transport winds.....East 6 to 14 mph.

TIME (PST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........5      5      4      4      4      4
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............69     64     63     65     69     63
RH..............28     32     32     26     21     24
20 ft wind......NW 2   N 0    E 1    NE 3   E 6    E 8
20 ft wind gust.6             4      7      10     14
Eye level wind..NW 1   N 0    E 1    NE 2   E 4    E 6
Eye lvl wnd gst.4             3      5      7      10
Ridgetop wind...E 16   E 18   E 20   E 23   E 25   E 25
CWR.............0      0      0      0      0      0

.MONDAY...

Sky/weather.........Mostly sunny.
Max temperature.....90-93 degrees.
Min humidity........10-12 percent.
Eye level winds.....East winds 5-9 mph with gusts to around 15 mph
shifting to the northwest around 4 mph after 1600
PDT.
Wind (20 ft)........
 Slope/valley.......East winds 7-13 mph with gusts to around 20
                    mph shifting to the northwest around 5 mph after
1600 PDT.
 Ridgetop...........East 15-20 mph shifting to the northeast
                    around 5 mph late in the afternoon.
CWR.................0 percent.
Mixing height.......Increasing to 5400 ft AGL.
Transport winds.....East 12 to 18 mph shifting to the northeast 5
                    to 8 mph in the afternoon.

TIME (PST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4   4   4   4   4   4   4   4   4   4   13  13
Weather cov.....
Weather type....
Tstm cov........
Temp............69  63  77  82  83  90  88  90  89  87  81  79
RH..............19  22  14  12  12  10  11  11  12  14  18  20
20 FT wind dir..E   E   E   E   E   E   E   E   NE  N   NW  NW
20 FT wind spd..9   9   13  13  13  13  12  9   6   5   5   1
20 FT wind gust.15  15  20  20  20  20  18  15  11  9   10  5
Eye lvl wnd dir.E   E   E   E   E   E   E   E   NE  N   NW  NW
Eye lvl wnd spd.6   7   9   9   9   9   8   7   4   4   4   1
Eye lvl wnd gst.11  11  14  15  15  14  13  11  8   7   7   4
Ridge wind dir..E   E   E   E   E   E   E   E   E   NE  NE  M
Ridge wind spd..23  18  18  17  16  15  10  10  5   5   5   M
CWR.............0   0   0   0   0   0   0   0   0   0   0   0

$$
Forecaster...CHANDLER PRICE
Requested by...OSCAR SOTELO
Type of request...WILDFIRE
.TAG 2525449.0/SGX
.DELDT 11/08/25
.FormatterVersion 2.0.0
.EMAIL oscar.sotelo@fire.ca.gov