Spot Forecast
Issued by NWS San Diego, CA
Issued by NWS San Diego, CA
320
FNUS76 KSGX 301301
FWSSGX
Spot Forecast for Corona Pile Burn...US Forest Service
National Weather Service San Diego CA
501 AM PST Sun Nov 30 2025
Forecast is based on ignition time of 0900 PST on November 30.
If conditions become unrepresentative, contact the National Weather
Service.
.DISCUSSION...
Cooler temperatures and excellent moisture today. MinRH will dip
into the low 20s for Monday and Tuesday, recovering Wednesday into
the 50s. No precipitation is expected through Tuesday, although
patchy fog may be possible in the early morning hours the next
couple of days. Winds will be light today out of the northwest to
west. Winds pick up early Monday morning out of the northeast
with gusts 25-30 mph at times and continue into the afternoon.
Lighter winds on Tuesday. Precipitation chances return on
Wednesday, around 15%.
.REST OF TODAY...
Sky/weather.........Partly cloudy (35-45 percent) then becoming
mostly sunny (20-30 percent) then becoming
partly cloudy (45-55 percent).
Max temperature.....Around 69.
Min humidity........56 percent.
Eye level winds.....Light winds becoming west up to 5 mph in the
afternoon.
Wind (20 ft)........
Slope/valley.......Northwest winds 5 to 7 mph late in the morning
becoming light, then becoming west 6 to 7 mph
in the afternoon.
Ridgetop...........Southwest around 5 mph increasing to west
around 15 mph late in the morning, then
becoming southwest around 5 mph late in the
morning shifting to the west 10 to 15 mph late
in the afternoon decreasing to around 5 mph.
CWR.................1 percent.
Mixing height.......2500 ft AGL.
Transport winds.....Northwest around 2 mph shifting to the west 3
to 8 mph late in the morning.
TIME (PST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........40 21 21 21 24 24 24 50 50
Weather cov.....
Weather type....
Tstm cov........
Temp............55 58 62 65 67 68 67 66 64
RH..............81 76 67 62 58 56 59 63 68
20 FT wind dir..N N NW NW NW W W W W
20 FT wind spd..1 1 1 3 6 7 7 7 6
20 FT wind gust.4 4 5 7 11 11 12 12 10
Eye lvl wnd dir.N N NW NW NW W W W W
Eye lvl wnd spd.1 1 1 2 4 4 5 4 4
Eye lvl wnd gst.3 3 4 5 8 8 9 9 7
Ridge wind dir..SW W SW SW W W W W W
Ridge wind spd..5 15 5 5 15 10 10 15 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........91 percent.
Eye level winds.....West winds around 4 mph early in the evening
becoming light.
Wind (20 ft)........
Slope/valley.......West winds around 5 mph early in the evening
becoming light.
Ridgetop...........West 5 to 10 mph decreasing to around 0 mph
late in the evening, then increasing to
northwest around 10 mph late in the evening
shifting to the northeast late in the evening
increasing to 20 to 25 mph.
CWR.................1 percent.
Mixing height.......500 ft AGL.
Transport winds.....West 2 to 7 mph shifting to the east 2 to 3 mph
late in the evening, then shifting to the
southeast overnight shifting to the northeast 3
to 8 mph overnight.
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........50 24 24 24 47 47 47 39 39 39 16 16
Weather cov..... PTY PTY PTY PTY PTY PTY
Weather type.... FOG FOG FOG FOG FOG FOG
Tstm cov........
Temp............60 58 57 55 55 54 53 52 51 49 49 48
RH..............78 82 86 89 90 90 91 90 89 89 85 81
20 FT wind dir..W NW N N NE E SE N NE E E S
20 FT wind spd..5 3 2 2 1 2 1 1 2 2 2 3
20 FT wind gust.9 7 6 6 4 6 5 4 6 6 6 6
Eye lvl wnd dir.W NW N N NE E SE N NE E E S
Eye lvl wnd spd.4 2 1 1 1 1 1 1 1 1 1 2
Eye lvl wnd gst.7 5 4 4 3 4 4 3 4 4 4 5
Ridge wind dir..W NW W W NW NE NE N NE NE N NE
Ridge wind spd..5 10 5 0 10 10 20 20 25 25 20 25
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
.MONDAY...
Sky/weather.........Mostly sunny (10-20 percent).
Max temperature.....Around 71.
Min humidity........20 percent.
Eye level winds.....Southeast winds around 4 mph shifting to the
northeast up to 8 mph with gusts to around 13
mph early in the morning.
Wind (20 ft)........
Slope/valley.......Southeast winds around 5 mph shifting to the
northeast 7 to 12 mph with gusts to around 18
mph early in the morning.
Ridgetop...........Northeast 15 to 20 mph.
CWR.................0 percent.
Mixing height.......3600 ft AGL.
Transport winds.....Northeast 8 to 17 mph increasing to 14 to 21
mph in the late morning and afternoon.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........16 9 9 9 10 10 10 11 11 11 11 11
Weather cov.....
Weather type....
Tstm cov........
Temp............48 48 52 56 63 66 68 70 70 70 68 66
RH..............77 70 57 44 32 27 23 21 20 20 21 24
20 FT wind dir..SE SE NE NE NE NE NE NE NE NE NE NE
20 FT wind spd..5 5 7 9 9 10 10 12 10 10 10 9
20 FT wind gust.10 9 11 15 16 17 17 18 18 17 17 15
Eye lvl wnd dir.SE SE NE NE NE NE NE NE NE NE NE NE
Eye lvl wnd spd.4 4 4 7 7 7 7 8 7 7 7 7
Eye lvl wnd gst.7 7 8 11 12 12 12 13 13 12 12 11
Ridge wind dir..E NE E E NE NE NE NE NE NE NE E
Ridge wind spd..20 15 20 20 20 20 20 20 20 20 20 15
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
$$
Forecaster...LAUREN VILLAFANE
Requested by...Gregory Triffet
Type of request...PRESCRIBED
.TAG 2526645.4/SGX
.DELDT 11/30/25
.FormatterVersion 2.0.0
.EMAIL gregory.triffet@usda.gov,cyrus.galvan@usda.gov