FNUS76 KSTO 160039 FWSSTO Spot Forecast for RAS VMP-Glenda Glass Rx...CALFIRE / AEU National Weather Service Sacramento CA 539 PM PDT Thu Oct 15 2026 Forecast is based on ignition time of 0700 PDT on October 18. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Dry and sunny conditions on Sunday, with easterly light winds early. Winds become southwesterly at 5-8mph by the afternoon hours, with gusts up to 15mph. Minimum RH values will be in the low to mid 20s, with good overnight recovery Sunday night. Winds remain around 5-8 mph, with gusts to 15mph in the evening before going light during the overnight hours. Clouds move in briefly Sunday night, but clear out by Monday morning. Conditions remain dry through Monday morning, with increasing chances for precipitation by the late evening and overnight hours. Winds will be stronger along ridgetops Sunday at 15-20mph, and 25-35mph on Monday. Chances for precipitation continue Tuesday, Wednesday, and early into Thursday. .SUNDAY... Sky/weather.........Sunny. Max temperature.....83-87. Min humidity........20-25 percent. Wind (20 ft)........ Slope/valley.......East winds up to 5 mph early in the morning becoming light, then becoming southwest 5 to 8 mph late in the afternoon. Ridgetop...........Southwest 15 to 20 mph. Mixing height.......3200 ft AGL. Transport winds.....East around 5 mph shifting to the southwest 6 to 9 mph late in the morning. CWR.................0 percent. Chance of thunder...0 percent. TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CWR.............0 0 0 0 0 0 0 0 0 0 0 Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 Temp............57 58 64 71 77 81 83 84 85 85 83 RH..............41 41 38 33 29 27 25 22 22 26 28 SL/VL wind dir..E E E E SW SW SW SW SW SW W SL/VL wind spd..5 3 3 3 3 3 3 6 6 6 7 SL/VL wind gust. 5 5 5 8 8 8 10 10 13 13 Ridge wind dir..SW SW SW SW SW SW SW SW SW SW SW Ridge wind spd..18 18 18 18 17 17 16 16 16 16 16 Mix hgt (kft)...0.4 0.3 0.3 0.3 1.6 1.6 1.6 3.2 3.2 3.2 2.7 Transp wind dir.E E E E SW SW SW SW SW SW W Transp wind spd.5 5 5 5 6 6 6 8 8 8 9 .SUNDAY NIGHT... Sky/weather.........Clear then becoming partly cloudy. Min temperature.....45-49. Max humidity........98-100 percent. Wind (20 ft)........ Slope/valley.......West winds 5 to 8 mph early in the evening becoming light. Ridgetop...........Southwest 17 to 20 mph shifting to the south 25 to 32 mph overnight. Mixing height.......400 ft AGL. Transport winds.....Southwest 5 to 9 mph shifting to the northeast around 3 mph overnight, then shifting to the southwest early in the morning. CWR.................0 percent. Chance of thunder...0 percent. TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky cover.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR PC CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............78 72 68 64 61 59 57 55 53 52 51 50 RH..............36 44 53 59 63 67 72 76 80 83 86 89 SL/VL wind dir..W W SW SW SW SE SE SE E E E SE SL/VL wind spd..7 7 2 2 2 3 3 3 2 2 2 1 SL/VL wind gust.13 13 3 3 3 6 6 6 2 Ridge wind dir..SW SW SW SW S S S S S S S S Ridge wind spd..17 18 20 21 22 23 24 26 28 30 31 32 Mix hgt (kft)...2.7 2.7 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 Transp wind dir.W W W W W SW SW SW NE NE NE SW Transp wind spd.9 9 7 7 7 5 5 5 3 3 3 3 .MONDAY... Sky/weather.........Mostly sunny. Max temperature.....69-73. Min humidity........41-45 percent. Wind (20 ft)........ Slope/valley.......Light winds becoming southwest up to 7 mph late in the morning. Ridgetop...........South 25 to 35 mph. Mixing height.......3400 ft AGL. Transport winds.....Southwest 3 to 9 mph. CWR.................0 percent. Chance of thunder...1 percent. TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......PC PC PC PC PC PC PC PC PC PC PC PC CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............48 47 48 52 58 64 68 70 71 71 71 69 RH..............96 100 100 88 72 60 53 47 44 43 43 45 SL/VL wind dir..SE SE S S S SW SW SW SW SW SW W SL/VL wind spd..1 1 1 1 1 5 5 5 7 7 7 7 SL/VL wind gust.2 2 3 3 3 9 9 9 14 14 14 13 Ridge wind dir..S S S S S S S S S S S S Ridge wind spd..25 27 30 30 35 35 35 35 35 35 35 35 Mix hgt (kft)...0.4 0.4 0.6 0.6 0.6 2.2 2.2 2.2 3.4 3.4 3.4 3.2 Transp wind dir.SW SW SW SW SW SW SW SW SW SW SW W Transp wind spd.3 3 5 5 5 7 7 7 9 9 9 8 .FORECAST DAYS 3 THROUGH 5... .TUESDAY... Mostly cloudy. Chance of rain. Lows in the upper 40s. Highs in the upper 60s. Light winds. .WEDNESDAY... Partly cloudy. Chance of rain. Lows in the upper 40s. Highs around 70. Light winds. .THURSDAY... Mostly clear. Slight chance of rain. Lows in the upper 40s. Highs around 70. Southeast winds around 5 mph. $$ Forecaster...JS Requested by...Eric Bither Type of request...PRESCRIBED .TAG 2623873.0/STO .DELDT 10/15/26 .FormatterVersion 2.0.0 .EMAIL Eric.Bither@fire.ca.gov