853
FNUS76 KSTO 082302
FWSSTO

Spot Forecast for CA-SHF Green Fire...Shasta Trinity National Forest
National Weather Service Sacramento CA
402 PM PDT Fri Aug 8 2025

Forecast is based on forecast start time of 1700 PDT on August 08.
If conditions become unrepresentative...contact the National Weather
Service.

...Hot Temperatures and Low Relative Humidity through Sunday...

.DISCUSSION...
A hot and dry airmass will bring above normal temperatures, low
daytime humidity, and poor overnight recoveries in the vicinity of
the Green Fire through this weekend. Winds expected to follow
diurnal trends, with north-northeast gusts 15 to 20 mph late
evening and overnight, tapering off by late morning. A cooling
trend is anticipated from Tuesday onward, although dry weather
looks to continue.

.REST OF TODAY...

Sky/weather.........Sunny.
Max temperature.....97-102.
Min humidity........9-14 percent.
Wind (20 ft)........
 Slope/valley.......Light winds.
 Ridgetop...........North around 3 mph.
Mixing height.......8100 ft AGL.
Transport winds.....North around 3 mph.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      5 PM
Sky cover.......MCLEAR
CWR.............0
Chc of thdr (%).0
Temp............99
RH..............12
SL/VL wind......N 2G7
Ridgetop wind...N 3
Mix hgt (ft)....8100
Transport wind..N 3

.TONIGHT...

Sky/weather.........Clear.
Min temperature.....67-71.
Max humidity........23-27 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming north 5 to 7 mph late in
                    the evening. Gusts 10 to 15 mph overnight.
 Ridgetop...........North 3 to 10 mph increasing to 13 to 16 mph
                    overnight.
Mixing height.......800 ft AGL.
Transport winds.....North 3 to 10 mph increasing to 13 to 16 mph
                    overnight.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      6 PM         10 PM        2 AM
Sky cover.......CLEAR        CLEAR        CLEAR
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............97           81           75
RH..............12           19           22
SL/VL wind......N 1G6        N 3G10       N 6G16
Ridgetop wind...N 3          N 8          N 13
Mix hgt (ft)....8100         800          800
Transport wind..N 3          N 8          N 13

.SATURDAY...

Sky/weather.........Sunny.
Max temperature.....99-103.
Min humidity........11-15 percent.
Wind (20 ft)........
 Slope/valley.......North-northeast winds up to 7 mph in the morning
                    becoming light. Gusts 10 to 20 mph through the
                    morning.
 Ridgetop...........North-northeast 13 to 16 mph, decreasing to
                    6 to 12 mph by late morning, then becoming
                    southwest 3 to 6 mph by late afternoon.
Mixing height.......8900 ft AGL.
Transport winds.....North-northeast 13 to 16 mph, decreasing to
                    6 to 12 mph by late morning, then becoming
                    southwest 3 to 6 mph by late afternoon.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      6 AM         10 AM        2 PM
Sky cover.......MCLEAR       MCLEAR       CLEAR
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............71           86           99
RH..............25           19           14
SL/VL wind......N 7G18       NE 5G10      SW 3G10
Ridgetop wind...N 16         NE 12        W 3
Mix hgt (ft)....800          1800         8900
Transport wind..N 16         NE 14        W 3

$$
Forecaster...NR
Requested by...Hannah Haley
Type of request...WILDFIRE
.TAG 2519147.3/STO
.DELDT 08/08/25
.FormatterVersion 2.0.0
.EMAIL robert.holt@usda.gov,hannah.haley1@usda.gov