Spot Forecast
Issued by NWS Sacramento, CA

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834
FNUS76 KSTO 121158
FWSSTO

Spot Forecast for OML VMP...CAL FIRE
National Weather Service Sacramento CA
458 AM PDT Sun Oct 12 2025

Forecast is based on ignition time of 1000 PDT on October 12.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Mostly clear and dry at the burn site today, with humidity values
in the mid to upper 20s. Today will be the last dry day, as
a weather system is forecast to move through the area Monday
and bring widespread precipitation. Current forecast rain
totals are around 2.00 to 2.50" inches through Thursday.
Heaviest rain expected Monday into Tuesday morning.


.REST OF TODAY...

Sky/weather.........Sunny.
Max temperature.....64-68.
Min humidity........25-29 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming west up to 6 mph in the
                    afternoon.
 Ridgetop...........Southeast around 7 mph shifting to the west 5
                    to 6 mph late in the morning.
Mixing height.......3800 ft AGL.
Transport winds.....West 5 to 6 mph.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......CLR CLR CLR CLR CLR CLR CLR CLR
CWR.............0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0
Temp............59  62  64  64  64  66  64  64
RH..............30  27  29  31  32  30  31  32
SL/VL wind dir..W   SW  W   W   W   W   W   W
SL/VL wind spd..3   3   5   6   6   6   6   5
SL/VL wind gust.7   7   10  12  13  13  13  12
Ridge wind dir..SE  SW  SW  SW  W   W   W   W
Ridge wind spd..7   6   6   6   6   6   6   5
Mix hgt (kft)...0.9 3.0 3.0 3.0 3.8 3.8 3.8 1.8
Transp wind dir.SE  SW  SW  SW  W   W   W   W
Transp wind spd.7   6   6   6   6   6   6   5

.TONIGHT...

Sky/weather.........Mostly clear then becoming mostly cloudy.
                    Chance of rain showers early in the morning.
Min temperature.....45-49.
Max humidity........72-76 percent.
Wind (20 ft)........
 Slope/valley.......Light winds.
 Ridgetop...........West around 5 mph shifting to the north around
                    3 mph early in the evening, then shifting to
                    the east around 5 mph late in the evening
                    shifting to the southeast around 3 mph early in
                    the morning.
Mixing height.......400 ft AGL.
Transport winds.....West around 5 mph shifting to the north around
                    3 mph early in the evening, then shifting to
                    the east around 5 mph late in the evening
                    shifting to the southeast around 3 mph early in
                    the morning.
CWR.................3 percent increasing to 23 percent early in the
                    morning.
Chance of thunder...2 percent.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......CLR MCR MCR MCR MCR MCR MCR PC  MC  MC  CDY CDY
CWR.............0   0   0   0   0   0   0   0   0   0   0   20
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............62  58  55  53  52  51  50  49  49  49  48  49
RH..............36  41  45  49  51  52  56  56  57  59  61  61
SL/VL wind dir..W   W   NW  E   E   E   SE  SE  SE  SE  SE  SE
SL/VL wind spd..3   2   2   2   3   3   3   2   2   2   3   3
SL/VL wind gust.7   6   5   5   5   5   5   5   5   5   5   7
Ridge wind dir..W   W   N   N   N   E   E   E   SE  SE  SE  SE
Ridge wind spd..5   5   3   3   3   5   5   5   5   5   5   3
Mix hgt (kft)...1.8 1.8 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.5
Transp wind dir.W   W   N   N   N   E   E   E   SE  SE  SE  SE
Transp wind spd.5   5   3   3   3   5   5   5   5   5   5   3

.COLUMBUS DAY...

Sky/weather.........Cloudy. Chance of rain showers in the morning,
                    then rain showers likely late in the morning.
                    Rain showers late in the afternoon.
Max temperature.....53-57.
Min humidity........70-74 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming southeast 5 to 8 mph with
                    gusts to around 22 mph early in the morning.
 Ridgetop...........Southeast 3 to 6 mph increasing to south 15 to
                    22 mph late in the morning.
Mixing height.......4300 ft AGL.
Transport winds.....South 3 to 22 mph decreasing to 6 to 15 mph
                    early in the morning, then increasing to 20 to
                    22 mph late in the afternoon.
CWR.................23 percent increasing to 84 percent.
Chance of thunder...9 percent.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY
CWR.............20  20  20  20  20  40  40  40  40  40  40  80
Chc of thdr (%).0   0   0   0   0   0   0   0   10  10  10  10
Temp............47  47  48  49  51  52  53  54  54  53  52  51
RH..............67  67  69  68  68  68  69  69  71  73  75  78
SL/VL wind dir..SE  SE  E   E   E   SE  SE  SE  SE  SE  SE  SE
SL/VL wind spd..3   3   6   6   6   6   6   6   8   8   8   8
SL/VL wind gust.7   7   9   9   9   14  14  14  20  20  20  22
Ridge wind dir..SE  SE  S   S   S   S   S   S   S   S   S   S
Ridge wind spd..3   3   6   6   6   15  15  15  22  22  22  20
Mix hgt (kft)...0.5 0.5 0.6 0.6 0.6 2.6 2.6 2.6 4.3 4.3 4.3 3.4
Transp wind dir.SE  SE  S   S   S   S   S   S   S   S   S   S
Transp wind spd.3   3   6   6   6   15  15  15  22  22  22  20

$$
Forecaster...JW
Requested by...Matthew Harrison
Type of request...PRESCRIBED
.TAG 2523219.3/STO
.DELDT 10/12/25
.FormatterVersion 2.0.0
.EMAIL matthew.harrison@fire.ca.gov