673
FNUS76 KSTO 290132
FWSSTO

Spot Forecast for BCFSC Upper Ridge Rambling Rx...CAL FIRE
National Weather Service Sacramento CA
632 PM PDT Wed Oct 28 2026

Forecast is based on ignition time of 0900 PDT on October 30.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Cool and mostly dry weather remains on track in the burn vicinity
through end of the week with a more unsettled weather pattern
bringing higher wetting rain potential across the weekend. Current
probabilities for rainfall greater than 0.25" in the burn
vicinity Saturday-Sunday are forecast around 15-25% at this time.
Alongside increasing rain potential, a low (5%) chance of isolated
thunderstorms is forecast Saturday afternoon as well. The
forecast period will see continued terrain driven winds with east
winds in the evening and overnight hours shifting to slightly
breezier south winds with gusts 10 to 15 mph throughout the
afternoon hours.

.FRIDAY...

Sky/weather.........Mostly sunny.
Max temperature.....55-60.
Min humidity........38-43 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming south up to 5 mph in
                    the afternoon.
 Ridgetop...........South 8 to 15 mph.
Mixing height.......Rising to around 4600 ft AGL.
Transport winds.....South 8 to 15 mph.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MCR MCR PC  PC  PC  MCR MCR MCR PC
CWR.............0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0
Temp............47  51  54  56  56  57  57  57  56
RH..............70  64  59  57  55  55  53  53  55
SL/VL wind dir..E   E   S   S   S   S   S   S   S
SL/VL wind spd..3   3   3   3   3   5   5   5   3
SL/VL wind gust.10  10  12  12  12  15  15  15  12
Ridge wind dir..SE  SE  S   S   S   S   S   S   S
Ridge wind spd..8   8   15  15  15  14  14  14  12
Mix hgt (kft)...0.4 0.4 4.0 4.0 4.0 4.6 4.6 4.6 3.2
Transp wind dir.SE  SE  S   S   S   S   S   S   S
Transp wind spd.8   8   15  15  15  14  14  14  12

.FRIDAY NIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
Min temperature.....42-47.
Max humidity........83-88 percent.
Wind (20 ft)........
 Slope/valley.......Light south winds shifting to the east overnight.
 Ridgetop...........South around 12 mph shifting to the east early
                    in the evening.
Mixing height.......Falling to around 500 ft AGL.
Transport winds.....South around 12 mph shifting to the east early
                    in the evening.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......PC  PC  PC  PC  PC  MC  MC  MC  MC  MC  MC  MC
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............54  51  48  47  47  47  47  47  47  47  47  46
RH..............63  74  82  84  83  82  82  82  82  81  80  80
SL/VL wind dir..S   S   E   E   E   E   E   E   E   E   E   E
SL/VL wind spd..3   3   3   3   3   2   2   2   2   2   2   3
SL/VL wind gust.12  12  9   9   9   7   7   7   7   7   7   8
Ridge wind dir..S   S   E   E   E   E   E   E   E   E   E   E
Ridge wind spd..12  12  7   7   7   8   8   8   8   8   8   9
Mix hgt (kft)...3.2 3.2 0.5 0.5 0.5 0.6 0.6 0.6 0.5 0.5 0.5 0.5
Transp wind dir.S   S   E   E   E   E   E   E   E   E   E   E
Transp wind spd.12  12  7   7   7   8   8   8   8   8   8   9

.SATURDAY...

Sky/weather.........Mostly cloudy. Chance of rain in the
                    morning, then rain likely.
Max temperature.....50-55.
Min humidity........67-72 percent.
Wind (20 ft)........
 Slope/valley.......Light east winds shifting to the south in
                    the afternoon.
 Ridgetop...........East around 9 mph shifting to the south 9 to 12
                    mph late in the morning.
Mixing height.......Rising to around 3100 ft AGL.
Transport winds.....East around 9 mph shifting to the south 9 to 12
                    mph late in the morning.
CWR.................5 percent increasing to 20 percent late in the
                    morning.
Chance of thunder...Up to 5 percent in the afternoon.

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  MC
CWR.............0   0   0   0   0   20  20  20  20  20  20  20
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............46  45  46  47  48  50  51  52  52  52  52  53
RH..............81  84  85  85  85  83  80  77  75  73  73  69
SL/VL wind dir..E   E   E   E   E   S   S   S   S   S   S   S
SL/VL wind spd..3   3   3   3   3   3   3   3   3   3   3   2
SL/VL wind gust.8   8   8   8   8   10  10  10  12  12  12  8
Ridge wind dir..E   E   E   E   E   S   S   S   S   S   S   S
Ridge wind spd..9   9   9   9   9   12  12  12  9   9   9   9
Mix hgt (kft)...0.5 0.5 0.6 0.6 0.6 3.1 3.1 3.1 2.7 2.7 2.7 2.0
Transp wind dir.E   E   E   E   E   S   S   S   S   S   S   S
Transp wind spd.9   9   9   9   9   12  12  12  9   9   9   9

$$
Forecaster...NR
Requested by...Matthew Brady
Type of request...PRESCRIBED
.TAG 2624624.0/STO
.DELDT 10/29/26
.FormatterVersion 2.0.0
.EMAIL Matthew.brady@fire.ca.gov,Kevin.Finkenkeller@fire.ca.gov