122
FNUS76 KSTO 040039
FWSSTO

Spot Forecast for CA-SHF Green Fire...Shasta Trinity National Forest
National Weather Service Sacramento CA
539 PM PDT Sun Aug 3 2025

Forecast is based on forecast start time of 0600 PDT on August 04.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Dry weather and below normal temperatures are expected Monday,
along with breezy southwest winds by afternoon. Temperatures will
begin to trend a little warmer by Tuesday with humidity trending
lower and the return of breezy southwest winds in the afternoon.
Dry weather continues through the week with high temperatures
trending upward each day, reaching around triple digits by the
weekend.

.MONDAY...

Sky/weather.........Sunny.
Max temperature.....85-90.
Min humidity........21-25 percent.
Wind (20 ft)........
 Slope/valley.......Light northeast winds becoming southwest 4 to
                    6 mph by late morning with gusts to 15 mph in
                    the afternoon.
 Ridgetop...........Northeast around 7 mph shifting to the
                    southwest early in the morning.
Mixing height.......7700 ft AGL.
Transport winds.....Northeast around 7 mph shifting to the
                    southwest early in the morning.
CWR.................0 percent.
Chance of thunder...1 percent.

TIME (PDT)      6 AM         10 AM        2 PM
Sky cover.......MCLEAR       CLEAR        CLEAR
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............63           75           85
RH..............59           47           29
SL/VL wind......NE 3G8       SW 2G8       SW 6G15
Ridgetop wind...NE 5         S 5          SW 10
Mix hgt (ft)....800          2400         7700
Transport wind..NE 7         S 2          SW 9

.MONDAY NIGHT...

Sky/weather.........Mostly clear.
Min temperature.....60-64.
Max humidity........48-52 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 3 to 6 mph becoming northeast
                    winds 3 to 6 mph.
 Ridgetop...........Southwest around 8 mph shifting to the north 5
                    to 8 mph late in the evening.
Mixing height.......800 ft AGL.
Transport winds.....Southwest around 8 mph shifting to the north 5
                    to 8 mph late in the evening.
CWR.................0 percent.
Chance of thunder...1 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............86           72           66
RH..............25           37           49
SL/VL wind......SW 3G12      SW 2G8       NE 3G8
Ridgetop wind...SW 10        SW 8        NE 5
Mix hgt (ft)....6300         800          800
Transport wind..SW 8         W 8          NE 6

.TUESDAY...

Sky/weather.........Sunny.
Max temperature.....88-92.
Min humidity........19-23 percent.
Wind (20 ft)........
 Slope/valley.......Northeast winds 3 to 6 mph becoming southwest
                    2 to 5 mph with gusts to 12 mph in the
                    afternoon.
 Ridgetop...........Northeast around 7 mph shifting to the
                    southwest 5 to 8 mph by early afternoon.
Mixing height.......7500 ft AGL.
Transport winds.....Northeast around 8 mph shifting to the
                    southwest 5 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.......CLEAR        CLEAR        CLEAR
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............63           75           88
RH..............50           39           26
SL/VL wind......NE 3G7       NE 2G8       SW 5G12
Ridgetop wind...NE 7         NE 6         SW 10
Mix hgt (ft)....800          1100         7500
Transport wind..NE 8         NE 8         SW 8

$$
Forecaster...EK
Requested by...Frank Bojorquez
Type of request...WILDFIRE
.TAG 2519147.0/STO
.DELDT 08/03/25
.FormatterVersion 2.0.0
.EMAIL robert.holt@usda.gov,frank.bojorquez@usda.gov