FNUS76 KSGX 041636 FWSSGX Spot Forecast for GRADE...CAL FIRE SDU National Weather Service San Diego CA 936 AM PDT Tue Aug 4 2026 Forecast is based on forecast start time of 0953 PDT on August 04. If conditions become unrepresentative, contact the National Weather Service. ...HEAT ADVISORY IN EFFECT UNTIL 8 PM PDT SATURDAY... .DISCUSSION... Hot and dry weather will continue today. Winds will be typical, with a westerly breeze late afternoon into early evening. Very warm and extremely dry overnight as incident is within a thermal belt. Highest humidity should be in late afternoon and evening before decreasing again overnight. .REST OF TODAY... Sky/weather.........Sunny (0-10 percent). Max temperature.....Around 91. Min humidity........10 percent. Eye level winds.....Light winds becoming west up to 6 mph with gusts to around 11 mph in the afternoon. Wind (20 ft)........ Slope/valley.......Light winds becoming southwest 5 to 9 mph with gusts to around 15 mph in the afternoon. Ridgetop...........West 5 to 10 mph shifting to the northwest in the afternoon. CWR.................1 percent. TIME (PDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........2 2 6 6 6 6 6 6 1 Weather cov..... Weather type.... Tstm cov........ Temp............76 84 86 88 89 90 90 89 87 RH..............11 10 10 12 15 18 21 26 32 20 FT wind dir..SW SW SW SW SW W W W W 20 FT wind spd..2 5 6 7 8 9 9 9 8 20 FT wind gust.6 8 11 12 13 15 15 15 14 Eye lvl wnd dir.SW SW SW SW SW W W W W Eye lvl wnd spd.1 3 4 4 6 6 6 6 6 Eye lvl wnd gst.4 6 8 9 9 11 11 11 10 Ridge wind dir..W W W N N NW N NW NW Ridge wind spd..10 10 5 5 5 5 5 5 5 CWR.............0 0 0 0 0 0 0 0 0 .TONIGHT... Sky/weather.........Clear (0-10 percent). Min temperature.....Around 72. Max humidity........33 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...........Northwest 5 to 10 mph shifting to the southwest around 0 mph overnight, then shifting to the west after 3 am. CWR.................1 percent. TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........1 1 5 5 5 7 7 7 9 9 9 9 Weather cov..... Weather type.... Tstm cov........ Temp............86 85 83 80 78 77 75 74 73 73 72 72 RH..............30 32 31 30 29 20 19 17 15 12 11 10 20 FT wind dir..W W W W W SW SW W W SW W NW 20 FT wind spd..7 5 3 2 2 1 1 1 1 1 1 2 20 FT wind gust.11 10 6 5 5 5 5 4 4 5 6 Eye lvl wnd dir.W W W W W SW SW W W SW W NW Eye lvl wnd spd.4 4 2 1 1 1 1 1 1 1 1 1 Eye lvl wnd gst.8 7 5 4 4 4 4 3 3 4 4 Ridge wind dir..W W NW NW NW NW NW NW SW NW NW W Ridge wind spd..5 5 5 10 10 5 5 5 0 5 5 5 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 $$ Forecaster...MIGUEL MILLER Requested by...Charles Tyler Type of request...WILDFIRE .TAG 2618784.3/SGX .DELDT 08/04/26 .FormatterVersion 2.0.0 .EMAIL charles.tyler@fire.ca.gov