Spot Forecast
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
384
FNUS76 KSTO 030815
FWSSTO
Spot Forecast for Big Hill 69...USFS
National Weather Service Sacramento CA
115 AM PDT Fri Oct 3 2025
Forecast is based on ignition time of 0600 PDT on October 03.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...
Scattered showers continue in the morning with potential thunderstorms
in the late morning and afternoon. Some showers and thunderstorms
may bring periods of heavy rain, along with gusty erratic winds.
Dry weather with below normal temperatures returns Friday night and
continues into next week. Gusty easterly winds are forecast for late
Saturday into early next week, though moderate to good humidity
recovery is expected.
.TODAY...
Sky/weather.........Mostly cloudy. Rain showers in the morning
becoming likely in the afternoon. Slight
chance of thunderstorms late morning through
the afternoon.
Max temperature.....43-47.
Min humidity........86-90 percent.
Wind (20 ft)........
Slope/valley.......West winds up to 6 mph shifting to the
northwest up to 5 mph late in the afternoon.
Gusty and erratic winds expected near
thunderstorms late in the morning.
Ridgetop...........Southwest 6 to 7 mph shifting to the northwest
6 to 8 mph late in the afternoon.
Mixing height.......1800 ft AGL.
Transport winds.....Southwest around 6 mph shifting to the
northwest 6 to 8 mph late in the afternoon.
CWR.................58 percent decreasing to 6 percent.
Chance of thunder...21 percent.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MC MC MC MC MC MC MC MC MC MC MC PC
CWR.............60 60 60 60 60 30 30 30 30 30 30 10
Chc of thdr (%).10 10 10 10 10 20 20 20 20 20 20 10
Temp............40 40 39 38 39 39 40 42 43 43 44 42
RH..............85 86 94 96 99 100 100 96 92 91 91 97
SL/VL wind dir..W SW SW W W W W W W NW W NW
SL/VL wind spd..6 6 6 6 6 6 6 5 5 5 5 5
SL/VL wind gust.8 8 9 9 9 9 9 9 9 9 9 10
Ridge wind dir..SW SW SW SW S S S S S SE NE N
Ridge wind spd..10 10 5 5 5 5 5 5 5 5 5 10
Mix hgt (kft)...0.1 0.1 0.5 0.5 0.5 1.5 1.5 1.5 1.8 1.8 1.8 0.7
Transp wind dir.SW SW SW SW SW W W W W W W NW
Transp wind spd.6 6 7 7 7 6 6 6 6 6 6 8
.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....36-40.
Max humidity........86-90 percent.
Wind (20 ft)........
Slope/valley.......Northwest winds up to 6 mph shifting to the
east 5 to 9 mph overnight.
Ridgetop...........North 7 to 8 mph shifting to the northeast
around 9 mph late in the evening.
Mixing height.......0 ft AGL.
Transport winds.....Northwest around 8 mph shifting to the
northeast around 9 mph late in the evening.
CWR.................6 percent.
Chance of thunder...5 percent.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......PC PC PC PC MCR MCR MCR MCR MCR MCR MCR MCR
CWR.............10 10 10 10 10 0 0 0 0 0 0 0
Chc of thdr (%).10 10 0 0 0 0 0 0 0 0 0 0
Temp............41 40 38 39 40 41 41 41 41 40 40 40
RH..............99 100 99 99 91 85 86 81 81 80 78 81
SL/VL wind dir..NW NW NW NW NW N NE E NE E E E
SL/VL wind spd..5 5 6 6 6 8 8 8 8 8 9 9
SL/VL wind gust.8 8 8 8 9 12 12 12 12 12 12 12
Ridge wind dir..N N NE N N N N N N N N N
Ridge wind spd..10 15 15 15 15 15 20 20 20 20 20 20
Mix hgt (kft)...0.7 0.7 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.NW NW N N N N N N NE NE NE E
Transp wind spd.8 8 7 7 7 9 9 9 9 9 9 9
.SATURDAY...
Sky/weather.........Sunny.
Max temperature.....52-56.
Min humidity........46-50 percent.
Wind (20 ft)........
Slope/valley.......East winds 5 to 9 mph in the morning and early
afternoon becoming light, then becoming
northwest up to 5 mph late in the afternoon.
Ridgetop...........Northeast 6 to 9 mph shifting to the north 6 to
7 mph late in the afternoon.
Mixing height.......3900 ft AGL.
Transport winds.....East around 9 mph shifting to the north 6 to 7
mph late in the afternoon.
CWR.................0 percent.
Chance of thunder...0 percent.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MCR MCR MCR MCR MCR 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............39 38 38 40 43 46 49 52 53 54 53 51
RH..............79 81 85 79 74 69 61 52 46 44 44 48
SL/VL wind dir..E E E E E E E E N N N NW
SL/VL wind spd..9 9 9 9 9 6 6 6 3 3 3 5
SL/VL wind gust.12 12 12 12 12 9 9 9 8 8 8 8
Ridge wind dir..N N N N N N N N N N N N
Ridge wind spd..20 15 15 15 15 15 15 15 15 15 10 10
Mix hgt (kft)...0.1 0.1 0.1 0.1 0.1 1.4 1.4 1.4 3.9 3.9 3.9 3.6
Transp wind dir.E E E E E NE NE NE N N N N
Transp wind spd.9 9 9 9 9 6 6 6 6 6 6 7
.FORECAST DAYS 3 THROUGH 7...
.SUNDAY...
Mostly clear. Lows around 40. Highs in the mid 50s. East winds
around 12 mph.
.MONDAY...
Mostly clear. Lows around 40. Highs in the mid 50s. East winds
around 13 mph.
.TUESDAY...
Clear. Lows in the lower 40s. Highs around 60. East winds around
12 mph.
.WEDNESDAY...
Clear. Lows in the mid 40s. Highs around 60.
.THURSDAY...
Mostly clear. Lows in the mid 40s. Highs in the lower 50s.
.OUTLOOK FOR FRIDAY OCTOBER 10 THROUGH THURSDAY OCTOBER 16...
The Climate Prediction Center projects near to below normal
temperatures with above normal precipitation.
$$
Forecaster...EK
Requested by...Chris Enriquez
Type of request...PRESCRIBED
.TAG 2522031.9/STO
.DELDT 10/03/25
.FormatterVersion 2.0.0
.EMAIL Christian.enriquez@usda.gov