821
FNUS76 KSTO 031919
FWSSTO

Spot Forecast for Amex RX...USFS
National Weather Service Sacramento CA
1219 PM PDT Wed Jun 3 2026

Forecast is based on ignition time of 0900 PDT on June 04.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Dry and warm conditions are expected Thursday through the
weekend. Winds will be light overnight, shifting out of the west-
southwest by late morning with afternoon/evening gusts to 16 mph.
Southwest winds begin to increase over the weekend as a trough
passes to the north which will bring a nonzero chance for light
precipitation. Precipitation and thunderstorm (10-15%) chances are
greatest Monday-Tuesday, but accumulations are forecast less than
0.10". Daytime RHs will be in the mid to upper teens on Thursday,
increasing into the mid to upper 20s through early next week.

.THURSDAY...

Sky/weather.........Sunny.
Max temperature.....81-85.
Min humidity........16-20 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming west up to 7 mph in the
                    late morning and afternoon with gusts to 13 mph.
 Ridgetop...........Southwest 4 to 7 mph.
Mixing height.......4000 ft AGL.
Transport winds.....Southwest 6 to 8 mph.
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............64        81        83
RH..............31        19        24
SL/VL wind......SW 3G6    W 6G13    W 7G13
Ridgetop wind...SW 7      S 6       SW 7
Mix hgt (ft)....2100      4000      4000
Transport wind..S 6       SW 8      SW 8

.THURSDAY NIGHT...

Sky/weather.........Clear.
Min temperature.....45-49.
Max humidity........68-72 percent.
Wind (20 ft)........
 Slope/valley.......West winds up to 5 mph early in the evening
                    becoming light.
 Ridgetop...........South 5 to 9 mph.
Mixing height.......500 ft AGL.
Transport winds.....Southwest around 6 mph shifting to the east 2
                    to 8 mph early in the evening.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      6 PM      9 PM      MIDNGT    3 AM
Sky cover.......CLEAR     MCLEAR    CLEAR     CLEAR
CWR.............0         0         0         0
Chc of thdr (%).0         0         0         0
Temp............78        62        54        49
RH..............32        61        68        65
SL/VL wind......W 5G13    E 2G7     E 3G7     E 3G7
Ridgetop wind...S 8       S 9       SW 7      S 5
Mix hgt (ft)....2900      500       500       500
Transport wind..SW 6      NE 2      E 7       E 8

.FRIDAY...

Sky/weather.........Sunny.
Max temperature.....81-85.
Min humidity........21-25 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming southwest 5 to 8 mph late
                    in the morning with afternoon gusts to 16 mph.
 Ridgetop...........South 8 to 13 mph.
Mixing height.......5100 ft AGL.
Transport winds.....East around 7 mph shifting to the southwest
                    early 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............47        63        83        82
RH..............66        47        21        26
SL/VL wind......E 3G7     SE 1G3    SW 6G14   SW 8G16
Ridgetop wind...S 8       S 9       S 10      S 13
Mix hgt (ft)....500       900       4100      5100
Transport wind..E 7       S 6       SW 9      SW 12

.FORECAST DAYS 3 THROUGH 5...

.SATURDAY...
Mostly clear. Lows in the mid 40s. Highs in the mid 70s. South
winds around 6 to 15 mph with afternoon/evening gusts 15 to 20 mph.

.SUNDAY...
Mostly clear. Lows in the lower 40s. Highs in the lower 70s.
South winds around 5 to 10 mph with afternoon/evening gusts to 15 mph.

.MONDAY...
Mostly clear. Lows in the mid 40s. Highs in the lower 70s. Light
winds.

$$
Forecaster...KF
Requested by...Austin Bennett
Type of request...PRESCRIBED
.TAG 2614389.6/STO
.DELDT 06/03/26
.FormatterVersion 2.0.0
.EMAIL charles.daniel@usda.gov,andrew.kahana@usda.gov,austin.bennett@usda.gov