580
FNUS76 KSTO 041205
FWSSTO

Spot Forecast for Green...USFS
National Weather Service Sacramento CA
505 AM PDT Fri Jul 4 2025

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

.DISCUSSION...
Temperatures are expected to trend cooler today with similar
daytime relative humidities as yesterday. Winds will be light out
of the south during the morning hours and mainly terrain driven
with breezy ridgetop winds gusting 15 to 20 mph. South winds will
remain breezy through the afternoon before weakening and shifting
out of the west during the evening/overnight hours. Temperatures
will continue to trend cooler on Saturday with lighter diurnal
winds.

.TODAY...

Sky/weather.........Sunny.
Max temperature.....74-78.
Min humidity........27-31 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming south up to 8 mph.
 Ridgetop...........South 7 to 13 mph with gusts 15 to 20 mph.
Mixing height.......6600 ft AGL.
Transport winds.....South 7 to 13 mph.
CWR.................2 percent.
Chance of thunder...4 percent.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MCR MCR MCR MCR MCR MCR CLR CLR CLR CLR CLR CLR
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............59  60  59  59  61  65  68  71  73  75  75  75
RH..............68  67  65  62  59  52  45  40  37  33  30  29
SL/VL wind dir..E   S   S   SW  SW  SW  SW  SW  S   S   S   S
SL/VL wind spd..3   5   6   6   7   8   7   7   7   7   7   7
SL/VL wind gust.6   7   9   10  13  14  14  15  16  15  14  14
Ridge wind dir..S   SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Ridge wind spd..10  10  10  15  15  15  15  15  15  15  15  15
Mix hgt (kft)...0.1 0.1 1.9 1.9 1.9 4.2 4.2 4.2 6.6 6.6 6.6 6.2
Transp wind dir.S   S   S   S   S   S   S   S   SW  SW  SW  S
Transp wind spd.7   7   10  10  10  10  10  10  13  13  13  13

.TONIGHT...

Sky/weather.........Clear.
Min temperature.....56-60.
Max humidity........58-62 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 5 to 7 mph shifting to the west
                    5 to 6 mph early in the evening, then shifting
                    to the north up to 6 mph in the late evening
                    and overnight shifting to the east up to 5 mph
                    overnight shifting to the northeast up to 6
                    mph.
 Ridgetop...........South around 13 mph shifting to the west around
                    6 mph early in the evening, then shifting to
                    the north 5 to 10 mph late in the evening.
Mixing height.......0 ft AGL.
Transport winds.....South around 13 mph shifting to the west around
                    6 mph early in the evening, then shifting to
                    the north 5 to 10 mph late in the evening.
CWR.................2 percent.
Chance of thunder...2 percent.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......CLR CLR MCR CLR CLR CLR CLR CLR CLR CLR CLR CLR
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............76  75  74  72  69  66  65  64  63  62  61  60
RH..............30  31  32  35  42  46  51  51  54  55  58  60
SL/VL wind dir..SW  SW  W   NW  N   N   N   N   E   N   NE  NE
SL/VL wind spd..7   7   6   6   6   5   5   5   5   5   5   6
SL/VL wind gust.12  10  9   8   7   7   6   6   6   6   6   7
Ridge wind dir..SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Ridge wind spd..15  15  10  10  10  10  10  5   5   5   5   0
Mix hgt (kft)...6.2 6.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.S   S   W   W   W   N   N   N   NE  NE  NE  N
Transp wind spd.13  13  6   6   6   5   5   5   6   6   6   10

.SATURDAY...

Sky/weather.........Sunny.
Max temperature.....80-84.
Min humidity........18-22 percent.
Wind (20 ft)........
 Slope/valley.......Northeast winds 5 to 6 mph in the morning
                    becoming light, then becoming southwest up to 6
                    mph late in the afternoon.
 Ridgetop...........Northeast around 10 mph shifting to the south
                    around 7 mph late in the afternoon.
Mixing height.......7000 ft AGL.
Transport winds.....North around 10 mph shifting to the south
                    around 7 mph late in the afternoon.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............61  63  63  66  70  73  76  78  79  81  82  82
RH..............57  56  54  50  45  39  34  30  27  24  21  20
SL/VL wind dir..NE  NE  NE  NE  NE  N   N   N   SW  SW  SW  SW
SL/VL wind spd..6   6   6   6   6   3   3   3   5   5   5   6
SL/VL wind gust.7   7   8   8   8   8   8   8   12  12  12  10
Ridge wind dir..S   S   SE  SE  SE  SE  SE  SE  SE  S   S   S
Ridge wind spd..5   5   5   5   5   10  10  10  10  10  10  10
Mix hgt (kft)...0.1 0.1 1.0 1.0 1.0 5.4 5.4 5.4 7.0 7.0 7.0 6.1
Transp wind dir.N   N   NE  NE  NE  E   E   E   S   S   S   S
Transp wind spd.10  10  10  10  10  6   6   6   7   7   7   7

$$
Forecaster...KF
Requested by...Robert Holt
Type of request...WILDFIRE
.TAG 2517132.2/STO
.DELDT 07/04/25
.FormatterVersion 2.0.0
.EMAIL robert.holt@usda.gov