009
FNUS76 KSGX 092303
FWSSGX

Spot Forecast for Mariposa...USFS
National Weather Service San Diego CA
403 PM PDT Sat Aug 9 2025

Forecast is based on forecast start time of 1600 PDT on August 09.
If conditions become unrepresentative, contact the National Weather
Service.

...HEAT ADVISORY IN EFFECT UNTIL 8 PM PDT MONDAY...

.DISCUSSION...
Brisk southerly winds expected in the Cajon pass
through the remainder of the evening today with 20ft winds gusting
near 20 mph. Winds relax by about 10 PM PDT this evening, with
light and variable winds tonight. Southerly winds pick back up by
noon Sunday, with gusts 20ft wind gusts once again near 20 mph. Hot
and dry conditions today persist through Sunday with high
temperatures in the low 90s. Minimum humidity in the afternoons
down to 20-25 percent with overnight recovery to about 50 percent
Sunday morning.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 93.
Min humidity........20 percent.
Eye level winds.....Southeast winds around 10 mph with gusts to
                    around 15 mph.
Wind (20 ft)........
 Slope/valley.......Southeast winds around 14 mph with gusts to
                    around 21 mph.
 Ridgetop...........South 10 to 15 mph.
CWR.................0 percent.
Mixing height.......7000 ft AGL.
Transport winds.....South around 14 mph.

TIME (PDT)      4PM 5PM
Sky (%).........5   5
Weather cov.....
Weather type....
Tstm cov........
Temp............92  91
RH..............22  25
20 FT wind dir..SE  SE
20 FT wind spd..14  14
20 FT wind gust.21  21
Eye lvl wnd dir.SE  SE
Eye lvl wnd spd.10  10
Eye lvl wnd gst.15  15
Ridge wind dir..S   S
Ridge wind spd..15  10
CWR.............0   0

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent).
Min temperature.....Around 67.
Max humidity........59 percent.
Eye level winds.....South winds up to 9 mph with gusts to around 14
                    mph early in the evening becoming light.
Wind (20 ft)........
 Slope/valley.......South winds 6 to 12 mph with gusts to around 20
                    mph early in the evening becoming light.
 Ridgetop...........South 10 to 15 mph shifting to the southwest 5
                    to 10 mph in the late evening and overnight.
CWR.................0 percent.
Mixing height.......400 ft AGL.
Transport winds.....Southwest 5 to 13 mph decreasing to 2 to 3 mph
                    after 3 am.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........5   5   9   9   9   8   8   8   9   9   9   9
Weather cov.....
Weather type....
Tstm cov........
Temp............89  85  79  75  71  69  68  68  68  67  67  68
RH..............27  31  36  46  55  59  56  54  55  55  52  49
20 FT wind dir..S   S   S   S   S   S   SW  SW  SW  SW  SE  E
20 FT wind spd..12  9   6   3   3   2   2   1   1   1   1   1
20 FT wind gust.20  15  11  7   7   6   5   5   4   4   4   4
Eye lvl wnd dir.S   S   S   S   S   S   SW  SW  SW  SW  SE  E
Eye lvl wnd spd.9   6   4   3   2   1   1   1   1   1   1   1
Eye lvl wnd gst.14  11  8   5   5   5   4   4   3   3   3   3
Ridge wind dir..S   S   SW  SW  SW  SW  W   W   SW  SW  SW  SW
Ridge wind spd..15  10  10  5   5   10  10  5   5   5   5   5
CWR.............0   0   0   0   0   0   0   0   0   0   0   0

.SUNDAY...

Sky/weather.........Mostly sunny (0-10 percent).
Max temperature.....Around 94.
Min humidity........22 percent.
Eye level winds.....Light winds becoming south up to 9 mph with
                    gusts to around 15 mph in the late morning and
                    afternoon.
Wind (20 ft)........
 Slope/valley.......South winds 5 to 13 mph early in the morning
                    becoming light, then becoming south 6 to 13 mph
                    with gusts to around 20 mph in the late morning
                    and afternoon.
 Ridgetop...........Southwest 0 to 5 mph.
CWR.................0 percent.
Mixing height.......6200 ft AGL.
Transport winds.....Southwest 2 to 10 mph.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........9   9   7   7   7   4   4   4   5   5   5   5
Weather cov.....
Weather type....
Tstm cov........
Temp............67  69  77  84  88  90  93  94  93  93  94  92
RH..............44  42  34  28  25  22  22  22  22  23  23  25
20 FT wind dir..SE  SE  S   S   S   S   S   S   S   S   S   S
20 FT wind spd..1   1   2   3   6   8   9   10  12  13  13  13
20 FT wind gust.4   5   6   7   11  13  15  18  18  20  20  20
Eye lvl wnd dir.SE  SE  S   S   S   S   S   S   S   S   S   S
Eye lvl wnd spd.1   1   1   3   4   5   6   7   9   9   9   9
Eye lvl wnd gst.3   4   4   5   8   9   11  13  13  15  15  14
Ridge wind dir..W   SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Ridge wind spd..5   5   5   0   5   5   5   5   5   5   5   5
CWR.............0   0   0   0   0   0   0   0   0   0   0   0

$$
Forecaster...DAVID MUNYAN
Requested by...Mariposa IC
Type of request...WILDFIRE
.TAG 2519631.0/SGX
.DELDT 08/09/25
.FormatterVersion 2.0.0
.EMAIL Dominic.munoz@usda.gov