019
FNUS76 KSTO 191159
FWSSTO

Spot Forecast for PML...CAL FIRE
National Weather Service Sacramento CA
459 AM PDT Sat Jul 19 2025

Forecast is based on ignition time of 0900 PDT on July 19.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Seasonable temperatures continue through the weekend as diurnal
wind patterns persist. Light east-northeast winds near 5 mph this
morning will become slightly breezy from the west-northwest.
Minimum RH will drop into the upper teens/low 20s today and
tomorrow with overnight recovery near 50 percent. A shift toward
below normal temperatures, breezier onshore winds, and improving
humidity recovery is then anticipated by early next week.

.TODAY...

Sky/weather.........Sunny.
Max temperature.....87-91.
Min humidity........22-26 percent.
Wind (20 ft)........
 Slope/valley.......East winds up to 5 mph early in the morning then
becoming west up to 7 mph in the late morning
and afternoon.
 Ridgetop...........East around 6 mph shifting to the southwest 5
                    to 7 mph early in the morning, then shifting to
                    the west around 8 mph late in the afternoon.
Mixing height.......4900 ft AGL.
Transport winds.....East around 6 mph shifting to the southwest 5
                    to 7 mph early in the morning, then shifting to
                    the west around 8 mph late in the afternoon.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      9 AM      NOON      3 PM
Sky cover.......CLEAR     CLEAR     CLEAR
CWR.............0         0         0
Chc of thdr (%).0         0         0
Temp............79        85        88
RH..............38        30        25
SL/VL wind......W 2G7     W 7G13    W 6G15
Ridgetop wind...SE 10     S 10      S 15
Mix hgt (ft)....1800      3600      4900
Transport wind..S 5       SW 7      W 8

.TONIGHT...

Sky/weather.........Clear.
Min temperature.....64-68.
Max humidity........45-49 percent.
Wind (20 ft)........
 Slope/valley.......West winds up to 6 mph early in the evening
                    becoming light, then becoming southeast up to 5
                    mph after 3 am.
 Ridgetop...........Northwest around 8 mph shifting to the
                    northeast around 5 mph late in the evening,
                    then shifting to the east around 6 mph early in
                    the morning.
Mixing height.......400 ft AGL.
Transport winds.....Northwest around 8 mph shifting to the
                    northeast around 5 mph late in the evening,
                    then shifting to the east around 6 mph early in
                    the morning.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      6 PM      9 PM      MIDNGT    3 AM
Sky cover.......CLEAR     CLEAR     CLEAR     CLEAR
CWR.............0         0         0         0
Chc of thdr (%).0         0         0         0
Temp............86        76        70        68
RH..............24        36        47        49
SL/VL wind......W 6G12    W 5G8     E 3G6     SE 3G7
Ridgetop wind...S 15      S 15      S 10      S 15
Mix hgt (ft)....4300      600       400       400
Transport wind..W 8       NW 8      NE 5      E 5

.SUNDAY...

Sky/weather.........Sunny.
Max temperature.....87-91.
Min humidity........18-22 percent.
Wind (20 ft)........
 Slope/valley.......Southeast winds up to 5 mph early in the
                    morning becoming light, then becoming southwest
                    5 to 7 mph late in the morning.
 Ridgetop...........East around 6 mph shifting to the south 6 to 9
                    mph early in the morning, then shifting to the
                    southwest around 9 mph late in the afternoon.
Mixing height.......5600 ft AGL.
Transport winds.....East around 6 mph shifting to the south 6 to 9
                    mph early in the morning, then shifting to the
                    southwest around 9 mph late in the afternoon.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      6 AM      9 AM      NOON      3 PM
Sky cover.......CLEAR     CLEAR     CLEAR     CLEAR
CWR.............0         0         0         0
Chc of thdr (%).0         0         0         0
Temp............66        80        86        88
RH..............49        35        25        20
SL/VL wind......SE 5G7    SE 3G7    SW 6G12   W 7G15
Ridgetop wind...S 15      S 15      S 15      S 15
Mix hgt (ft)....400       1400      3600      4900
Transport wind..E 6       S 6       S 8       SW 9

.FORECAST DAYS 3 THROUGH 5...
.MONDAY...
Mostly clear. Lows in the mid 60s. Highs in the lower 80s.
Northwest winds around 5 mph.
.TUESDAY...
Clear. Lows around 60. Highs around 80. Northwest winds around
5 mph.
.WEDNESDAY...
Clear. Lows in the lower 60s. Highs in the lower 80s. Northwest
winds around 5 mph.

$$
Forecaster...MG
Requested by...Matthew Harrison
Type of request...PRESCRIBED
.TAG 2518129.1/STO
.DELDT 07/19/25
.FormatterVersion 2.0.0
.EMAIL matthew.harrison@fire.ca.gov