231
FNUS76 KSTO 292155
FWSSTO

Spot Forecast for Trailhead Tx Burn...California State Parks
National Weather Service Sacramento CA
255 PM PDT Tue Sep 29 2026

Forecast is based on ignition time of 0800 PDT on October 01.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Mostly sunny, dry, and periodically breezy conditions expected on Thursday
and Friday near the burn site. Highs in the 80s with day time humidities in
the high teens to low 20s. Overnight recoveries will be poor with humidities
in the 30s. Winds will primarily be terrain driven, with east winds in the
overnight and morning periods, and southwesterly in the afternoons and
evenings. Gusts up to 16 mph periodically in the mornings and evenings, but
sustained speeds generally will stay below 10 mph. No precipitation or
thunderstorm chances expected during the forecast period.

.THURSDAY...

Sky/weather.........Sunny.
Max temperature.....82-86.
Min humidity........17-22 percent.
Wind (20 ft)........
 Slope/valley.......East winds around 6 mph early in the morning
with gusts up to 15 mph, becoming southwest
up to 5 mph late in the afternoon.
 Ridgetop...........East around 9 mph shifting to the southwest 7
                    to 9 mph late in the morning.
Mixing height.......4600 ft AGL.
Transport winds.....East around 9 mph shifting to the southwest 7
                    to 9 mph late in the morning.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR
CWR.............0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0
Temp............60  65  72  78  81  83  83  84  83  81
RH..............32  29  26  22  20  20  20  20  21  23
SL/VL wind dir..E   E   E   SW  SW  SW  SW  SW  SW  W
SL/VL wind spd..7   7   7   3   3   3   5   5   5   2
SL/VL wind gust.14  14  14  6   6   6   10  10  10  6
Ridge wind dir..E   E   E   S   S   S   SW  SW  SW  SW
Ridge wind spd..9   9   9   7   7   7   9   9   9   7
Mix hgt (kft)...0.4 0.4 0.4 3.7 3.7 3.7 4.6 4.6 4.6 3.4
Transp wind dir.E   E   E   S   S   S   SW  SW  SW  SW
Transp wind spd.9   9   9   7   7   7   9   9   9   7

.THURSDAY NIGHT...

Sky/weather.........Mostly clear.
Min temperature.....59-63.
Max humidity........31-35 percent.
Wind (20 ft)........
 Slope/valley.......Northeast winds up to 6 mph with gusts up to
16 mph in the evening.
 Ridgetop...........Southwest around 7 mph shifting to the
                    northeast 6 to 9 mph early in the evening.
Mixing height.......300 ft AGL.
Transport winds.....Southwest around 7 mph shifting to the
                    northeast 6 to 9 mph 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.......CLR CLR CLR CLR CLR MCR MCR MCR MCR MCR MCR MCR
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............76  71  67  65  65  65  65  65  64  64  63  63
RH..............27  30  33  34  34  33  33  33  33  33  33  33
SL/VL wind dir..W   W   NE  NE  NE  NE  NE  NE  E   E   E   E
SL/VL wind spd..2   2   6   6   6   5   5   5   5   5   5   5
SL/VL wind gust.6   6   16  16  16  10  10  10  8   8   8   9
Ridge wind dir..SW  SW  NE  NE  NE  NE  NE  NE  E   E   E   E
Ridge wind spd..7   7   7   7   7   6   6   6   8   8   8   9
Mix hgt (kft)...3.4 3.4 0.3 0.3 0.3 0.5 0.5 0.5 0.4 0.4 0.4 0.4
Transp wind dir.SW  SW  NE  NE  NE  NE  NE  NE  E   E   E   E
Transp wind spd.7   7   7   7   7   6   6   6   8   8   8   9

.FRIDAY...

Sky/weather.........Mostly sunny.
Max temperature.....83-87.
Min humidity........16-21 percent.
Wind (20 ft)........
 Slope/valley.......East winds up to 7 mph with gusts up to 15 mph in
the morning, becoming southwest in the afternoon.
 Ridgetop...........East 9 to 10 mph shifting to the southwest 7 to
                    9 mph late in the morning.
Mixing height.......4800 ft AGL.
Transport winds.....East 9 to 10 mph shifting to the southwest 7 to
                    9 mph late in the morning.
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 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............62  61  62  67  74  80  82  83  83  85  83  80
RH..............34  34  33  29  25  21  20  19  20  21  22  23
SL/VL wind dir..E   E   E   E   E   S   S   S   SW  SW  SW  W
SL/VL wind spd..5   5   7   7   7   2   2   2   3   3   3   2
SL/VL wind gust.9   9   15  15  15  7   7   7   10  10  10  6
Ridge wind dir..E   E   E   E   E   S   S   S   SW  SW  SW  SW
Ridge wind spd..9   9   10  10  10  8   8   8   9   9   9   7
Mix hgt (kft)...0.4 0.4 0.4 0.4 0.4 3.3 3.3 3.3 4.8 4.8 4.8 3.3
Transp wind dir.E   E   E   E   E   S   S   S   SW  SW  SW  SW
Transp wind spd.9   9   10  10  10  8   8   8   9   9   9   7

$$
Forecaster...SP
Requested by...William Geer
Type of request...PRESCRIBED
.TAG 2622785.0/STO
.DELDT 09/29/26
.FormatterVersion 2.0.0
.EMAIL richard.rappaport@parks.ca.gov,william.geer@parks.ca.gov,ben.jacobs@parks.ca.gov