278
FNUS76 KSTO 010451
FWSSTO

Spot Forecast for Deadwood...USFS
National Weather Service Sacramento CA
951 PM PDT Wed Sep 30 2026

Forecast is based on ignition time of 0800 PDT on October 01.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Dry and unseasonably warm weather expected at the
burn site Thursday into the weekend. Expect patchy smoke a times,
originating from the Dome Fire. Highs in the upper 70s with
daytime relative humidities in the teens to low 20s. Poor
overnight RH recoveries in the 30s Thursday night, with continued
low humidities in the teens to low 20s. Winds will be generally
gentle and terrain driven, with east to southeast winds overnight
shifting to southwest in the late morning. There are no
precipitation or thunderstorm chances in the forecast period for
the area.



.THURSDAY...

Sky/weather.........Sunny. Patchy smoke early in the afternoon.
Max temperature.....75-79.
Min humidity........19-23 percent.
Wind (20 ft)........
 Slope/valley.......Southeast winds 5 to 7 mph early in the morning
                    becoming light.
 Ridgetop...........Southeast around 7 mph shifting to the
                    southwest 6 to 9 mph late in the morning.
Mixing height.......4700 ft AGL.
Transport winds.....Southeast around 7 mph shifting to the
                    southwest 6 to 9 mph late in the morning.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      8 AM         NOON         4 PM
Sky cover.......CLEAR        CLEAR        CLEAR
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............60           74           75
RH..............29           21           22
SL/VL wind......SE 7G10      SW 2G8       W 3G10
Ridgetop wind...SE 7         SW 8         SW 9
Mix hgt (ft)....1200         4200         4700
Transport wind..SE 7         SW 8         SW 9

.THURSDAY NIGHT...

Sky/weather.........Mostly clear.
Min temperature.....59-63.
Max humidity........30-34 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming east up to 7 mph early in
                    the evening, then becoming light overnight
                    becoming east up to 5 mph early in the morning.
 Ridgetop...........Southwest around 6 mph shifting to the east 7
                    to 8 mph early in the evening.
Mixing height.......200 ft AGL.
Transport winds.....Southwest around 6 mph shifting to the east 7
                    to 8 mph early in the evening.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      6 PM         10 PM        2 AM
Sky cover.......MCLEAR       MCLEAR       PCLDY
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............72           63           64
RH..............29           32           27
SL/VL wind......W 1G8        E 7G13       E 3G7
Ridgetop wind...SW 6         E 7          E 7
Mix hgt (ft)....1900         200          400
Transport wind..SW 6         E 7          E 7

.FRIDAY...

Sky/weather.........Partly sunny.
Max temperature.....75-79.
Min humidity........17-21 percent.
Wind (20 ft)........
 Slope/valley.......East winds up to 6 mph in the morning becoming
                    light.
 Ridgetop...........East around 8 mph shifting to the southwest 8
                    to 12 mph late in the morning.
Mixing height.......5700 ft AGL.
Transport winds.....East around 8 mph shifting to the southwest 8
                    to 12 mph late in the morning.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      6 AM         10 AM        2 PM
Sky cover.......PCLDY        PCLDY        MCLDY
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............63           69           75
RH..............27           22           19
SL/VL wind......E 5G8        E 6G10       SW 3G10
Ridgetop wind...E 8          E 8          SW 12
Mix hgt (ft)....500          500          5700
Transport wind..E 8          E 8          SW 12

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...
Mostly cloudy. Lows in the lower 60s. Highs in the upper 70s.
Light winds.
.SUNDAY...
Partly cloudy. Lows in the lower 60s. Highs in the upper 70s.
Light winds.
.MONDAY...
Mostly clear. Slight chance of rain. Lows around 60. Highs in the
mid 70s. Light winds.

$$
Forecaster...ZV
Requested by...Mike Durocher
Type of request...PRESCRIBED
.TAG 2622754.2/STO
.DELDT 10/01/26
.FormatterVersion 2.0.0
.EMAIL eric.husmann@usda.gov,mike.durocher@usda.gov,zachory.huff@usda.gov,brian.crawford@usda.gov