571
FNUS76 KSTO 030322
FWSSTO

Spot Forecast for STEAMBOAT...CA-TNF
National Weather Service Sacramento CA
822 PM PDT Wed Jul 2 2025

Forecast is based on forecast start time of 2100 PDT on July 02.
If conditions become unrepresentative...contact the National Weather
Service.

...Elevated fire weather conditions on Thursday in the Coastal
Range due to breezy winds and low daytime relative humidity values...

.DISCUSSION...
Thunderstorm chances today essentially return to zero over the next hour,
with a slight chance (less than 10%) returning Thursday afternoon and
evening near the site of the fire. Otherwise, relatively light diurnal
winds overnight, which will increase in the late morning/early afternoon
Thursday. Gusty southwest winds are expected at that point, continuing
overnight Thursday into very early Friday. Low relative humidity expected
Thursday, with poor overnight recoveries tonight and Thursday night.
Cooling and continued drying trend begins Friday.

.REST OF TONIGHT...

Sky/weather.........Clear.
Min temperature.....53-57.
Max humidity........60-69 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 7 mph shifting to the northeast
up to 5 mph late in the evening shifting to the
east up to 6 mph overnight.
 Ridgetop...........West around 8 mph shifting to the south around
7 mph late in the evening.
Mixing height.......100 ft AGL.
Transport winds.....West around 8 mph shifting to the south around
7 mph late in the evening.
CWR.................3 percent.
Chance of thunder...1 percent.

TIME (PDT)      9 PM   11 PM  1 AM   3 AM   5 AM
Sky cover.......CLEAR  CLEAR  CLEAR  CLEAR  CLEAR
CWR.............3      0      0      0      0
Chc of thdr (%).1      0      0      0      0
Temp............60     57     57     55     57
RH..............57     64     60     56     52
SL/VL wind......W 7    NE 5   E 5    E 6    SE 6
SL/VL wind gust.13     8      8      9      9
Ridgetop wind...W 8    SE 6   SE 6   SE 6   SE 7
Mix hgt (ft)....200    100    100    100    100
Transport wind..W 8    SE 6   SE 6   SE 6   SE 7

.THURSDAY...

Sky/weather.........Sunny then becoming mostly sunny.
Max temperature.....71-77.
Min humidity........23-28 percent.
Wind (20 ft)........
 Slope/valley.......Southeast winds 5 to 7 mph shifting to the
                    southwest 5 to 14 mph with gusts to around 26
                    mph early in the morning.
 Ridgetop...........South 7 to 10 mph increasing to southwest 20 to
                    24 mph late in the morning.
Mixing height.......5500 ft AGL.
Transport winds.....Southeast around 7 mph shifting to the south 7
                    to 10 mph in the morning, then increasing to
                    southwest 20 to 24 mph late in the morning.
CWR.................2 percent.
Chance of thunder...2 percent.

TIME (PDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......CLEAR  CLEAR  MCLEAR MCLEAR PCLDY  PCLDY
CWR.............0      0      0      2      2      2
Chc of thdr (%).0      0      0      2      2      2
Temp............57     64     70     73     72     72
RH..............52     47     33     29     27     28
SL/VL wind......E 7    S 8    SW 13  SW 14  SW 14  SW 14
SL/VL wind gust.12     15     22     24     26     26
Ridgetop wind...S 5    S 10   SW 10  SW 15  SW 20  SW 24
Mix hgt (ft)....100    2200   2200   5000   5500   5500
Transport wind..SE 7   S 10   S 10   SW 20  SW 24  SW 24

$$
Forecaster...SP
Requested by...ERIC CLARKE
Type of request...WILDFIRE
.TAG 2517182.0/STO
.DELDT 07/02/25
.FormatterVersion 2.0.0
.EMAIL ERIC.CLARKE@USDA.GOV