454
FNUS76 KSTO 262035
FWSSTO

Spot Forecast for Twain Fire...USFS
National Weather Service Sacramento CA
135 PM PDT Sun Jul 26 2026

Forecast is based on forecast start time of 1600 PDT on July 26.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Dry and warm conditions will prevail over the incident through the
week with high pressure overhead the region. Southwesterly gusts
will continue over the next few hours, then subside after sunset.
Conditions on Monday will be very similar to Sunday with minimal
day-to-day changes. Look for temperatures to gradually warm by
the second half of the week.

.REST OF TODAY...

Sky/weather.........Sunny.
Max temperature.....83-93.
Min humidity........14-18 percent.
Wind (20 ft)........
 Slope/valley.......Southwest 5 to 10 mph with afternoon gusts
                    near 16 mph.
 Ridgetop...........Southwest 10 to 18 mph with afternoon gusts
                    near 25 mph.
Mixing height.......6300 ft AGL.
Transport winds.....Southwest 17 to 20 mph.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PDT)      4 PM
Sky cover.......CLEAR
CWR.............0
Chc of thdr (%).0
Temp............88
RH..............17
SL/VL wind......SW 8G18
Ridgetop wind...SW 21
Mix hgt (ft)....6300
Transport wind..SW 20

.TONIGHT...

Sky/weather.........Clear.
Min temperature.....52-56.
Max humidity........60-64 percent.
Wind (20 ft)........
 Slope/valley.......Southwest 5 to 10 mph with evening gusts
                    near 15 mph, becoming light overnight.
 Ridgetop...........Southwest 20 to 24 mph.
Mixing height.......Lowering to around 300 ft AGL overnight.
Transport winds.....South/southwest 7 to 15 mph with evening
                    gusts near 20 mph, becoming 5 to 10 mph
                    overnight.
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        71        63        58
RH..............17        32        48        58
SL/VL wind......SW 8G16   SW 3G6    E 2G3     NE 1G2
Ridgetop wind...SW 21     SW 24     SW 23     SW 20
Mix hgt (ft)....4900      600       400       300
Transport wind..SW 17     SW 8      S 5       E 3

.MONDAY...

Sky/weather.........Sunny.
Max temperature.....83-93.
Min humidity........13-17 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming southwest 5 to 10 mph in
                    the afternoon.
 Ridgetop...........Southwest 5 to 10 mph in the morning, increasing
                    to 10 to 18 mph with gusts near 24 mph in the
                    afternoon.
Mixing height.......Rising to around 6800 ft AGL by mid-day.
Transport winds.....East around 3 mph shifting to the south 3 to 10
                    mph early in the morning, then shifting to the
                    southwest 12 to 14 mph late in the afternoon.
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............54        63        82        87
RH..............64        39        18        15
SL/VL wind......NE 1G2    E 2G5     SW 5G9    SW 7G16
Ridgetop wind...SW 21     SW 20     SW 15     SW 13
Mix hgt (ft)....400       1400      5500      6500
Transport wind..E 3       SE 3      SW 10     SW 14

$$
Forecaster...SR
Requested by...Isabella Giacomangeli
Type of request...WILDFIRE
.TAG 2617670.9/STO
.DELDT 07/26/26
.FormatterVersion 2.0.0
.EMAIL jefflucas37@gmail.com,isabella.giacomangeli@usda.gov,Markoest222@gmail.com