FNUS76 KSTO 030512 FWSSTO Spot Forecast for Iron Trails RX...USFS National Weather Service Sacramento CA 912 PM PST Mon Feb 2 2026 Forecast is based on ignition time of 0700 PST on February 03. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Sunny, dry and mild weather continues with low afternoon humidity in the teens and poor recovery at night. Slope winds will be mainly light and terrain driven. Cooler temperatures are expected by the weekend, with the potential for precipitation early next week. .TUESDAY... Sky/weather.........Sunny. Max temperature.....67-71. Min humidity........14-18 percent. Wind (20 ft)........ Slope/valley.......Southeast winds around 2 mph in the morning, shifting to northeast by early afternoon. Ridgetop...........East 5 to 10 mph. Mixing height.......2400 ft AGL. Transport winds.....East 5 to 10 mph. CWR.................0 percent. Chance of thunder...0 percent. TIME (PST) 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............38 42 48 57 65 67 67 69 67 64 58 RH..............35 32 33 27 22 16 16 18 21 28 34 SL/VL wind dir..SE SE E E E NE NE NE NE E E SL/VL wind spd..2 2 2 2 2 2 2 2 2 2 2 SL/VL wind gust.7 7 7 7 7 7 7 7 7 6 6 Ridge wind dir..N N N N N NE NE NE E E E Ridge wind spd..5 0 0 0 0 5 5 5 5 5 5 Mix hgt (kft)...1.2 1.2 1.2 1.8 1.8 1.8 2.4 2.4 2.4 1.2 1.2 Transp wind dir.E E E E E E NE NE NE E E Transp wind spd.8 8 8 5 5 5 5 5 5 10 10 .TUESDAY NIGHT... Sky/weather.........Clear. Min temperature.....35-39. Max humidity........34-38 percent. Wind (20 ft)........ Slope/valley.......Light downslope winds becoming east up to 5 mph after 3 am. Ridgetop...........East 10 to 16 mph. Mixing height.......1200 ft AGL. Transport winds.....East 10 to 16 mph. CWR.................0 percent. Chance of thunder...0 percent. TIME (PST) 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 CLR 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............49 44 43 41 41 41 41 41 41 41 39 39 RH..............36 36 36 36 36 35 33 31 31 30 30 32 SL/VL wind dir..E E E E E E E E E E E E SL/VL wind spd..2 3 3 3 3 3 3 3 3 3 5 5 SL/VL wind gust.6 10 10 10 10 10 10 9 9 9 10 10 Ridge wind dir..E NE NE NE NE N N N N N N N Ridge wind spd..0 0 0 0 0 0 0 5 5 5 10 10 Mix hgt (kft)...1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 Transp wind dir.E E E E E E E E E E E E Transp wind spd.10 16 16 16 15 15 15 12 12 12 12 12 early in the morning becoming light .WEDNESDAY... Sky/weather.........Sunny. Max temperature.....67-71. Min humidity........15-19 percent. Wind (20 ft)........ Slope/valley.......East winds up to 5 mph. Ridgetop...........East 12 to 16 mph. Mixing height.......2700 ft AGL. Transport winds.....East 12 to 16 mph. CWR.................0 percent. Chance of thunder...0 percent. TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of thdr (%).0 0 0 0 0 0 00 0 0 0 0 Temp............38 38 43 51 58 63 66 68 69 67 64 58 RH..............32 31 30 28 26 22 19 17 18 22 26 31 SL/VL wind dir..E E E E E E E E E E E E SL/VL wind spd..5 5 5 5 3 3 3 3 3 3 2 2 SL/VL wind gust.10 10 10 10 12 12 12 9 9 9 8 8 Ridge wind dir..N NE NE NE NE NE NE NE E E E E Ridge wind spd..10 10 15 15 15 15 15 15 15 15 15 15 Mix hgt (kft)...1.2 1.2 1.2 1.2 1.3 1.3 1.3 2.7 2.7 2.7 1.4 1.4 Transp wind dir.E E E E E E E E E E E E Transp wind spd.12 14 14 14 15 15 15 14 14 14 16 16 $$ Forecaster...EK Requested by...Marc Ellsworth Type of request...PRESCRIBED .TAG 2601529.0/STO .DELDT 02/03/26 .FormatterVersion 2.0.0 .EMAIL marc.ellsworth@usda.gov