231
FNUS76 KSTO 282158
FWSSTO

Spot Forecast for C-4 Incident...CAL FIRE
National Weather Service Sacramento CA
258 PM PDT Thu Aug 28 2025

Forecast is based on forecast start time of 0700 PDT on August 29.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Dry and sunny weather continues. High temperatures will gradually
warm Friday through the weekend along with lowering humidity.
Breezy southwest winds are possible Friday afternoon and early
evening, with lighter winds on Saturday.

.FRIDAY...

Sky/weather.........Sunny.
Max temperature.....87-91.
Min humidity........18-22 percent.
Wind (20 ft)........
 Slope/valley.......Northeast winds 2 to 4 mph, then becoming south
                    3 to 6 mph in the afternoon, then shifting to
                    the southwest 4 to 7 mph with gusts to 12 mph
                    by late in the afternoon.
 Ridgetop...........North around 6 mph shifting to the east around
                    3 mph early in the morning, then shifting to
                    the south 7 to 10 mph late in the morning.
Mixing height.......Rising to 9400 ft AGL.
Transport winds.....North around 6 mph shifting to the east
                    around 3 mph early in the morning, then shifting
                    to the south 7 to 10 mph late in the morning.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      7 AM         11 AM        3 PM
Sky cover.......MCLEAR       MCLEAR       CLEAR
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............62           82           88
RH..............38           26           20
SL/VL wind......N 3G8        SE 2G7       SW 6G12
Ridgetop wind...M            M            M
Mix hgt (ft)....400          6300         9400
Transport wind..N 6          S 10         S 10

.FRIDAY NIGHT...

Sky/weather.........Mostly clear.
Min temperature.....58-62.
Max humidity........42-46 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 3 to 5 mph early in the
                    evening becoming light.
 Ridgetop...........West 6 to 7 mph shifting to the northwest
                    2 to 6 mph overnight.
Mixing height.......Falling to 200 ft AGL.
Transport winds.....Southwest around 7 mph shifting to the
                    northwest around 6 mph overnight.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      6 PM         10 PM        2 AM
Sky cover.......MCLEAR       MCLEAR       CLEAR
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............87           73           64
RH..............22           34           42
SL/VL wind......SW 5G12      SW 3G7       NW 2G6
Ridgetop wind...M            M            M
Mix hgt (ft)....6300         300          400
Transport wind..SW 7         W 7          NW 6

.SATURDAY...

Sky/weather.........Sunny.
Max temperature.....88-92.
Min humidity........17-21 percent.
Wind (20 ft)........
 Slope/valley.......Northwest around 4 mph becoming south 2 to 5 mph
                    with gusts to 10 mph by late in the afternoon.
 Ridgetop...........Northwest around 6 mph shifting to the south 6
                    to 8 mph late in the morning.
Mixing height.......Rising to 9100 ft AGL.
Transport winds.....Northwest around 6 mph shifting to the south 6
                    to 8 mph late in the morning.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      6 AM         10 AM        2 PM
Sky cover.......MCLEAR       CLEAR        MCLEAR
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............62           77           88
RH..............43           33           19
SL/VL wind......NW 3G7       NW 3G8       S 5G10

Ridgetop wind...M            M            M
Mix hgt (ft)....200          200          8500
Transport wind..NW 6         N 6          S 8

$$
Forecaster...EK
Requested by...Sean Birkimer
Type of request...WILDFIRE
.TAG 2520913.0/STO
.DELDT 08/28/25
.FormatterVersion 2.0.0
.EMAIL sean.birkimer@fire.ca.gov