FNUS76 KSGX 192204 FWSSGX Spot Forecast for Tusil...CALFIRE SAN DIEGO National Weather Service San Diego CA 304 PM PDT Tue May 19 2026 Forecast is based on forecast start time of 1800 PDT on May 19. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... A typical diurnal wind pattern this week with light winds at night and west to northwest winds each afternoon. 20 foot gusts may reach 10-15 mph each afternoon. As flow turns back to weakly onshore, relative humidity will slowly increase beginning Friday from 10-13% to 19-25% by the weekend. .TONIGHT... Sky/weather.........Mostly clear (15-25 percent). Min temperature.....Around 51. Max humidity........24 percent. Eye level winds.....Northeast winds around 4 mph early in the evening becoming light. Wind (20 ft)........ Slope/valley.......Northeast winds around 7 mph decreasing to around 5 mph early in the evening, then becoming light early in the evening becoming north around 5 mph overnight becoming light. Ridgetop...........Northeast 5 to 10 mph shifting to the north in the late evening and overnight. CWR.................0 percent. Mixing height.......200 ft AGL. Transport winds.....Northeast 3 to 10 mph shifting to the northwest 7 to 9 mph in the late evening and overnight. TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........23 23 23 23 23 22 22 22 21 21 21 21 Weather cov..... Weather type.... Tstm cov........ Temp............68 66 61 59 58 57 57 57 55 55 55 53 RH..............15 15 20 22 23 24 24 24 24 22 20 21 20 FT wind dir..NE NE NE N N N N N N N N N 20 FT wind spd..7 5 3 1 2 3 5 5 3 3 3 3 20 FT wind gust.11 8 5 2 4 6 7 6 6 6 5 5 Eye lvl wnd dir.NE NE NE N N N N N N N N N Eye lvl wnd spd.4 4 2 1 1 3 3 3 3 2 2 2 Eye lvl wnd gst.8 6 4 2 3 4 5 5 5 4 4 4 Ridge wind dir..NE NE NE N N N N N N N N N Ridge wind spd..10 5 5 5 5 10 10 10 10 5 5 10 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 .WEDNESDAY... Sky/weather.........Mostly sunny (15-25 percent) then becoming partly cloudy (20-30 percent). Max temperature.....Around 75. Min humidity........10 percent. Eye level winds.....Light winds becoming northeast up to 5 mph in the late morning and early afternoon, then becoming light late in the afternoon becoming west around 4 mph late in the afternoon. Wind (20 ft)........ Slope/valley.......Light winds becoming northeast 5 to 7 mph in the late morning and early afternoon, then becoming light late in the afternoon becoming west around 7 mph late in the afternoon. Ridgetop...........Northeast 5 to 10 mph shifting to the northwest late in the afternoon. CWR.................0 percent. Mixing height.......9100 ft AGL. Transport winds.....Northeast 5 to 8 mph becoming around 6 mph early in the afternoon, then shifting to the northwest 7 to 8 mph late in the afternoon. TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........21 21 20 20 20 20 20 20 22 22 22 26 Weather cov..... Weather type....Tstm cov........ Temp............56 62 66 70 69 69 71 72 73 74 74 73 RH..............18 14 14 12 11 11 11 10 10 11 13 16 20 FT wind dir..NE NE NE NE NE E E E E NE NW W 20 FT wind spd..3 3 3 5 6 7 7 7 7 5 2 7 20 FT wind gust.6 6 6 7 9 11 11 11 11 7 4 11 Eye lvl wnd dir.NE NE NE NE NE E E E E NE NW W Eye lvl wnd spd.2 2 3 4 4 4 5 5 4 4 1 4 Eye lvl wnd gst.4 4 5 5 7 8 8 8 8 5 3 8 Ridge wind dir..N NE NE NE NE NE NE N N N NW NW Ridge wind spd..5 5 10 5 5 5 5 0 0 0 5 5 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 .WEDNESDAY NIGHT... Sky/weather.........Mostly clear (20-30 percent). Min temperature.....Around 54. Max humidity........30 percent. Eye level winds.....Northwest winds up to 5 mph. Wind (20 ft)........ Slope/valley.......West winds 5 to 8 mph. Ridgetop...........Northwest 5 to 10 mph. CWR.................0 percent. Mixing height.......200 ft AGL. Transport winds.....West 9 to 12 mph. TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........26 26 26 26 26 22 22 22 22 22 22 23 Weather cov..... Weather type.... Tstm cov........ Temp............72 68 64 63 62 61 61 60 58 58 58 56 RH..............18 21 28 30 29 26 26 25 25 24 24 25 20 FT wind dir..W W W W W W W W NW NW NW NW 20 FT wind spd..8 7 7 6 5 5 5 5 5 6 6 5 20 FT wind gust.12 12 11 9 8 8 8 8 8 9 9 8 Eye lvl wnd dir.W W W W W W W W NW NW NW NW Eye lvl wnd spd.5 5 4 4 4 4 4 4 4 4 4 4 Eye lvl wnd gst.9 9 8 7 6 6 6 6 6 7 7 6 Ridge wind dir..NW NW W NW NW NW NW NW NW NW NW NW Ridge wind spd..5 10 10 10 10 10 10 10 10 10 10 5 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 $$ Forecaster...LAUREN VILLAFANE Requested by...FC GERSTENBERG Type of request...WILDFIRE .TAG 2614063.0/SGX .DELDT 05/19/26 .FormatterVersion 2.0.0 .EMAIL sduecccaptains@fire.ca.gov