Spot Forecast
Issued by NWS San Diego, CA
Issued by NWS San Diego, CA
403
FNUS76 KSGX 271620
FWSSGX
Spot Forecast for Corona Pile Burn...US Forest Service
National Weather Service San Diego CA
820 AM PST Thu Nov 27 2025
Forecast is based on ignition time on November 27.
If conditions become unrepresentative, contact the National Weather
Service.
.DISCUSSION...
Drier and warmer weather continues with afternoon humidity in the
upper teens today, with overnight recovery in the low 50s. Better
moisture returns Friday and Saturday, rising to the upper 20s and
upper 30s, respectively. Overnight recovery will improve Friday
night as well, generally 80% or better. Temperatures cool each
day through the weekend falling to below normal by Sunday. No
weather or precipitation currently expected. Winds will be
strongest today out of the east, shifting more
northerly/northwesterly by Friday and generally remaining below 10
mph with infrequent gusts to 15 mph Friday afternoon. Winds
weaken substantially Saturday, mostly light and variable.
.REST OF TODAY...
Sky/weather.........Mostly cloudy (65-75 percent) then becoming
partly cloudy (50-60 percent).
Max temperature.....Around 81.
Min humidity........16 percent.
Eye level winds.....Southeast winds around 4 mph late in the
morning becoming light, then becoming northeast
around 4 mph early in the afternoon becoming
light.
Wind (20 ft)........
Slope/valley.......Southeast winds around 5 mph late in the
morning becoming light, then becoming northeast
around 5 mph early in the afternoon becoming
light.
Ridgetop...........Northeast 10 to 15 mph decreasing to 5 to 10
mph in the afternoon.
CWR.................0 percent.
Mixing height.......3000 ft AGL.
Transport winds.....East 7 to 8 mph shifting to the north 3 to 7
mph late in the afternoon.
TIME (PST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........73 74 74 74 70 70 70 55 55
Weather cov.....
Weather type....
Tstm cov........
Temp............67 73 75 78 80 80 79 77 72
RH..............27 22 20 18 16 17 18 21 26
20 FT wind dir..SE SE E E NE NE N NW W
20 FT wind spd..5 5 3 5 5 5 3 2 3
20 FT wind gust.9 8 8 9 9 9 7 6 6
Eye lvl wnd dir.SE SE E E NE NE N NW W
Eye lvl wnd spd.4 3 3 4 4 4 2 1 2
Eye lvl wnd gst.7 6 6 7 7 7 5 4 5
Ridge wind dir..E E NE NE NE NE NE N N
Ridge wind spd..15 10 10 15 5 10 10 5 10
CWR.............0 0 0 0 0 0 0 0 0
.TONIGHT...
Sky/weather.........Mostly clear (15-25 percent).
Min temperature.....Around 51.
Max humidity........52 percent.
Eye level winds.....Light winds.
Wind (20 ft)........
Slope/valley.......Light winds.
Ridgetop...........North around 5 mph shifting to the northwest
overnight.
CWR.................0 percent.
Mixing height.......300 ft AGL.
Transport winds.....Southeast 2 to 3 mph decreasing to 1 to 2 mph
late in the evening, then becoming around 2 mph
after 3 am shifting to the northwest early in
the morning.
TIME (PST) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........33 33 33 22 22 22 19 19 19 8 8
Weather cov.....
Weather type....
Tstm cov........
Temp............67 65 63 62 60 58 57 56 54 53 52
RH..............33 36 39 40 43 45 46 47 49 50 51
20 FT wind dir..S S S S S E E E E E E
20 FT wind spd..3 3 3 2 2 2 2 2 2 2 1
20 FT wind gust.7 7 6 6 6 5 5 5 5 5 5
Eye lvl wnd dir.S S S S S E E E E E E
Eye lvl wnd spd.2 2 2 1 1 1 1 1 1 1 1
Eye lvl wnd gst.5 5 5 5 4 4 4 4 4 4 4
Ridge wind dir..N N N N N N NW NW NW NW W
Ridge wind spd..5 5 5 5 5 5 5 5 10 10 10
CWR.............0 0 0 0 0 0 0 0 0 0 0
.FRIDAY...
Sky/weather.........Mostly sunny (0-10 percent).
Max temperature.....Around 75.
Min humidity........29 percent.
Eye level winds.....Light winds becoming northwest around 4 mph
late in the afternoon.
Wind (20 ft)........
Slope/valley.......Light winds becoming northwest around 5 mph
late in the afternoon.
Ridgetop...........Northwest 5 to 10 mph.
CWR.................0 percent.
Mixing height.......2500 ft AGL.
Transport winds.....Southwest around 2 mph shifting to the
northwest 1 to 6 mph early in the morning, then
shifting to the west 5 to 6 mph late in the
afternoon.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........8 8 8 8 5 5 5 4 4 4 3 3
Weather cov.....
Weather type....
Tstm cov........
Temp............51 52 55 60 66 70 73 74 74 73 71 68
RH..............52 52 49 43 36 32 29 29 29 31 34 40
20 FT wind dir..E E NE N N NW NW NW NW NW W NW
20 FT wind spd..1 1 1 1 1 2 3 3 5 5 5 5
20 FT wind gust.4 4 4 4 5 6 6 8 9 9 10 9
Eye lvl wnd dir.E E NE N N NW NW NW NW NW W NW
Eye lvl wnd spd.1 1 1 1 1 1 2 3 4 4 4 3
Eye lvl wnd gst.3 3 3 3 4 4 5 6 7 7 7 7
Ridge wind dir..W NW W W NW NW NW W NW NW NW W
Ridge wind spd..10 10 10 10 10 10 10 10 10 10 5 5
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
.FRIDAY NIGHT...
Sky/weather.........Mostly clear (15-25 percent).
Min temperature.....Around 47.
Max humidity........80 percent.
Eye level winds.....Light winds.
Wind (20 ft)........
Slope/valley.......Light winds.
Ridgetop...........Southwest around 5 mph shifting to the north
after 3 am.
CWR.................0 percent.
Mixing height.......300 ft AGL.
Transport winds.....West 2 to 3 mph shifting to the southeast in
the late evening and overnight.
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........3 3 3 3 10 10 10 10 10 10 36 36
Weather cov.....
Weather type....
Tstm cov........
Temp............65 61 59 57 56 55 54 53 52 51 50 48
RH..............48 56 61 63 64 63 62 62 65 70 75 78
20 FT wind dir..N N N E E E E E E E E E
20 FT wind spd..3 2 2 2 2 2 1 1 1 1 1 1
20 FT wind gust.7 6 6 6 6 5 4 4 4 4 4 5
Eye lvl wnd dir.N N N E E E E E E E E E
Eye lvl wnd spd.2 1 1 1 1 1 1 1 1 1 1 1
Eye lvl wnd gst.5 5 4 4 4 4 3 3 3 3 3 4
Ridge wind dir..W SW SW SW SW SW S S SW NW N N
Ridge wind spd..5 5 5 5 5 5 5 5 5 5 5 10
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
.SATURDAY...
Sky/weather.........Partly cloudy (25-35 percent) then becoming
mostly sunny (10-20 percent).
Max temperature.....Around 73.
Min humidity........38 percent.
Eye level winds.....Light winds.
Wind (20 ft)........
Slope/valley.......Light winds.
Ridgetop...........Northeast 5 to 8 mph in the afternoon.
CWR.................0 percent.
Mixing height.......1100 ft AGL.
Transport winds.....East 3 to 6 mph shifting to the northwest 6 to
7 mph late in the afternoon.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........36 36 36 36 28 28 28 28 28 28 15 15
Weather cov.....
Weather type....
Tstm cov........
Temp............47 48 52 58 64 68 71 72 73 72 70 67
RH..............80 78 69 59 50 44 40 38 39 42 46 52
20 FT wind dir..E E E E E NE NW W W W W W
20 FT wind spd..2 2 1 1 1 1 1 2 2 2 2 2
20 FT wind gust.5 5 5 5 5 6 6 7 8 8 8 6
Eye lvl wnd dir.E E E E E NE NW W W W W W
Eye lvl wnd spd.1 1 1 1 1 1 1 1 1 1 1 1
Eye lvl wnd gst.4 4 4 4 4 4 5 5 6 6 6 5
Ridge wind dir..N NE NE NE NE NE NE N N N N M
Ridge wind spd..15 15 20 20 15 15 5 0 0 0 0 M
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
Mostly clear. Lows in the upper 40s. Highs in the upper 60s.
Light winds.
.MONDAY...
Mostly clear. Lows in the upper 40s. Highs in the lower 70s.
Light winds.
.TUESDAY...
Mostly clear. Lows in the upper 40s. Highs around 70. Light
winds.
$$
Forecaster...SAMANTHA ZUBER
Requested by...Gregory Triffet
Type of request...PRESCRIBED
.TAG 2526645.1/SGX
.DELDT 11/27/25
.FormatterVersion 2.0.0
.EMAIL gregory.triffet@usda.gov,cyrus.galvan@usda.gov