


Suppression Forecast
Issued by NWS San Diego, CA
Issued by NWS San Diego, CA
717 FNUS76 KSGX 212340 FWSSGX Spot Forecast for SUGAR...SAN BERNARDINO NATIONAL FOREST National Weather Service San Diego CA 440 PM PDT Mon Jul 21 2025 Forecast is based on forecast start time of 1700 PDT on July 21. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... High pressure conditions dominate the region with seasonally cooler temperatures thanks to troughing to the north allowing for an increase and persistence of onshore flow. There will be even slightly cooler temperatures for the area of interest tomorrow, while remaining dry. Minimal RH values tomorrow afternoon will be around 15 percent. Transport winds will be out of the southwest around 13 mph throughout the rest of today, and remain out of that direction, only a little lighter for tomorrow. .REST OF TODAY... Sky/weather.........Mostly sunny (5-15 percent). Max temperature.....Around 70. Min humidity........26 percent. Eye level winds.....West winds around 5 mph. Wind (20 ft)........ Slope/valley.......West winds around 8 mph. Ridgetop...........Southwest around 10 mph. CWR.................0 percent. Mixing height.......3500 ft AGL. Transport winds.....Southwest around 13 mph. TIME (PDT) 5PM Sky (%).........8 Weather cov..... Weather type.... Tstm cov........ Temp............68 RH..............36 20 FT wind dir..W 20 FT wind spd..8 20 FT wind gust.13 Eye lvl wnd dir.W Eye lvl wnd spd.5 Eye lvl wnd gst.9 Ridge wind dir..SW Ridge wind spd..10 CWR.............0 .TONIGHT... Sky/weather.........Mostly clear (0-10 percent). Min temperature.....Around 47. Max humidity........42 percent. Eye level winds.....Southwest winds around 4 mph early in the evening becoming light. Wind (20 ft)........ Slope/valley.......Southwest winds around 5 mph early in the evening becoming light. Ridgetop...........Southwest 5 to 10 mph increasing to around 15 mph early in the morning. CWR.................1 percent. Mixing height.......100 ft AGL. Transport winds.....Southwest 6 to 13 mph. TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........8 8 7 7 7 7 7 7 7 7 7 4 Weather cov..... Weather type.... Tstm cov........ Temp............69 69 65 58 55 53 52 50 49 48 48 47 RH..............38 37 40 42 39 34 32 30 27 28 26 25 20 FT wind dir..W W SW SW SW SW SW SW SW S S S 20 FT wind spd..6 5 5 3 3 2 2 2 2 2 2 2 20 FT wind gust.11 10 9 7 6 6 5 5 5 5 5 5 Eye lvl wnd dir.W W SW SW SW SW SW SW SW S S S Eye lvl wnd spd.4 4 3 3 2 1 1 1 1 1 1 1 Eye lvl wnd gst.8 7 7 5 5 4 4 4 4 4 4 4 Ridge wind dir..SW SW SW SW SW S SW SW S SW SW SW Ridge wind spd..10 10 10 10 5 10 5 5 10 10 10 15 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 .TUESDAY... Sky/weather.........Mostly sunny (0-10 percent). Max temperature.....Around 68. Min humidity........15 percent. Eye level winds.....Light winds becoming west up to 5 mph late in the morning. Wind (20 ft)........ Slope/valley.......Southwest winds 5 to 8 mph early in the morning becoming light, then becoming west 5 to 8 mph late in the morning. Ridgetop...........Southwest 5 to 10 mph. CWR.................1 percent. Mixing height.......4800 ft AGL. Transport winds.....Southwest 6 to 10 mph. TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........4 4 4 4 4 5 5 5 5 5 5 7 Weather cov..... Weather type.... Tstm cov........ Temp............48 50 58 65 67 67 68 67 67 68 68 67 RH..............26 25 21 15 16 19 23 25 27 28 28 30 20 FT wind dir..SW S SW SW W W W W W W W W 20 FT wind spd..2 2 2 2 3 5 6 7 7 8 8 7 20 FT wind gust.5 5 6 6 7 10 11 12 12 13 13 12 Eye lvl wnd dir.SW S SW SW W W W W W W W W Eye lvl wnd spd.1 1 1 1 3 4 4 5 5 5 5 5 Eye lvl wnd gst.4 4 4 4 5 7 8 9 9 9 9 9 Ridge wind dir..SW SW SW SW SW SW SW W W W W W Ridge wind spd..10 5 10 5 5 5 5 5 10 10 10 10 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 $$ Forecaster...PAUL STEWARD Requested by...BC 62 Type of request...WILDFIRE .TAG 2518387.0/SGX .DELDT 07/21/25 .FormatterVersion 2.0.0 .EMAIL CASBCC@FIRENET.GOV