615
FNUS76 KSTO 181930
FWSSTO

Spot Forecast for PML...CAL FIRE
National Weather Service Sacramento CA
1230 PM PDT Fri Jul 18 2025

Forecast is based on ignition time of 1312 PDT on July 18.
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 late evening
into the early morning become breezy from the west-northwest
through the daytime hours. Daytime minimum humidity in the lower
20s expected through the weekend. A shift toward below normal
temperatures, breezier onshore winds, and improving humidity
recovery is then anticipated by early next week.

.REST OF TODAY...

Sky/weather.........Sunny.
Max temperature.....85-90.
Min humidity........25-30 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 7 mph.
 Ridgetop...........West 7 to 9 mph.
Mixing height.......5200 ft AGL.
Transport winds.....West 7 to 9 mph.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      1 PM      4 PM
Sky cover.......CLEAR     CLEAR
CWR.............0         0
Chc of thdr (%).0         0
Temp............86        87
RH..............31        28
SL/VL wind......W 7G15    W 6G15
Ridgetop wind...W 7       W 7
Mix hgt (ft)....4100      5200
Transport wind..W 7       W 7

.TONIGHT...

Sky/weather.........Clear.
Min temperature.....64-68.
Max humidity........51-55 percent.
Wind (20 ft)........
 Slope/valley.......West winds up to 6 mph early in the evening
                    becoming east up to 5 mph after 3 am.
 Ridgetop...........Northwest 8 to 9 mph shifting to the northeast
                    5 to 6 mph late in the evening.
Mixing height.......400 ft AGL.
Transport winds.....West around 9 mph shifting to the northwest 8
                    to 9 mph in the evening, then shifting to the
                    northeast 5 to 6 mph late in the evening.
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............85        75        69        68
RH..............29        42        53        53
SL/VL wind......W 6G13    W 5G9     E 3G7     E 3G6
Ridgetop wind...W 9       NW 8      NE 5      E 5
Mix hgt (ft)....4700      700       400       400
Transport wind..W 9       NW 8      NE 5      E 5

.SATURDAY...

Sky/weather.........Sunny.
Max temperature.....86-91.
Min humidity........18-23 percent.
Wind (20 ft)........
 Slope/valley.......East-northeast winds up to 5 mph early in the morning
                    becoming light, then becoming west 5 to 7 mph
                    late in the morning.
 Ridgetop...........East around 6 mph shifting to the southeast
                    around 3 mph early in the morning, then
                    shifting to the west around 7 mph late in the
                    morning.
Mixing height.......4600 ft AGL.
Transport winds.....East around 6 mph shifting to the southeast
                    around 3 mph early in the morning, then
                    shifting to the west around 7 mph late in the
                    morning.
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        79        85        88
RH..............53        38        28        22
SL/VL wind......E 5G7     SE 3G7    W 6G12    W 7G15
Ridgetop wind...E 6       SE 3      SW 7      W 7
Mix hgt (ft)....400       1200      3000      4200
Transport wind..E 6       SE 3      SW 7      W 7

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
Clear. Lows in the mid 60s. Highs in the upper 80s. Light east to
northeast winds in the morning, becoming west to northwest 6 to
9 mph by the afternoon.
.MONDAY...
Mostly clear. Lows in the mid 60s. Highs in the mid 80s. Light
east to northeast winds in the morning, becoming west to northwest
7 to 10 mph by the afternoon.
.TUESDAY...
Mostly clear. Lows in the lower 60s. Highs in the lower 80s.
Light east to northeast winds in the morning, becoming west to
northwest 7 to 10 mph by the afternoon.

$$
Forecaster...NR
Requested by...Matthew Harrison
Type of request...PRESCRIBED
.TAG 2518129.1/STO
.DELDT 07/18/25
.FormatterVersion 2.0.0
.EMAIL matthew.harrison@fire.ca.gov