705
FNUS76 KSTO 240313
FWSSTO
SPOT FORECAST FOR EBMUD DIKE 1 RX BURN...EBMUD/CALFIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
813 PM PDT WED SEP 23 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON SEPTEMBER 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MOSTLY SUNNY SKIES CONTINUE ACROSS THE BURN SITE THURSDAY, WITH
LIGHT WINDS IN THE MORNING BECOMING WEST UP TO 7 MPH BY THE AFTERNOON.
DRY CONDITIONS ARE FORECAST TO CONTINUE AS WELL, WITH HUMIDITY VALUES
IN THE MID TO UPPER 20S EXPECTED. MIXING HEIGHTS AROUND 1000 FEET AT
BURN SITE IN THE MORNING, CLIMBING TO 4000 FEET BY THE AFTERNOON,
DROPPING TO AROUND 300-400 FEET BY THURSDAY NIGHT/FRIDAY MORNING.
HIGH TEMPERATURES WILL BE SLIGHTLY WARMER THAN NORMAL TODAY, WITH
TEMPERATURES REACHING THE LOW TO MID 90S. COOLING AND INCREASES IN
DAYTIME HUMIDITY EXPECTED FRIDAY AND AS WE MOVE INTO THE WEEKEND.
THURSDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....90-94.
MIN HUMIDITY........26-30 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST UP TO 8 MPH LATE IN
THE MORNING.
RIDGETOP...........SOUTH 23 TO 24 MPH.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 3 TO 8 MPH SHIFTING TO THE WEST
AROUND 10 MPH LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 9 AM 11 AM 1 PM 3 PM 5 PM
SKY COVER.......CLEAR MCLEAR MCLEAR MCLEAR PCLDY
CWR.............0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0
TEMP............70 81 87 91 90
RH..............47 38 33 29 28
SL/VL WIND......SW 2 W 5 W 5 W 6 W 8
SL/VL WIND GUST.6 9 10 13 15
RIDGETOP WIND...S 23 S 24 S 24 S 24 S 23
MIX HGT (FT)....600 2000 2000 4000 2300
TRANSPORT WIND..S 3 SW 6 SW 6 SW 8 W 10
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....59-63.
MAX HUMIDITY........62-66 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 5 TO 7 MPH EARLY IN THE EVENING
BECOMING LIGHT.
RIDGETOP...........SOUTH 23 TO 30 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH SHIFTING TO THE SOUTH AROUND 3
MPH OVERNIGHT.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY COVER.......MCLEAR MCLEAR MCLEAR PCLDY MCLEAR PCLDY
CWR.............0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0
TEMP............88 78 73 69 67 63
RH..............31 39 47 51 51 53
SL/VL WIND......W 7 W 3 E 1 S 2 E 2 S 1
SL/VL WIND GUST.13 7 2 5 3 2
RIDGETOP WIND...S 23 S 24 S 29 S 30 S 29 SW 25
MIX HGT (FT)....2300 500 500 400 400 400
TRANSPORT WIND..W 10 W 8 W 8 W 5 S 3 S 3
FRIDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....82-86.
MIN HUMIDITY........34-38 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 5 TO 8 MPH LATE IN
THE MORNING.
RIDGETOP...........SOUTHWEST 21 TO 24 MPH.
MIXING HEIGHT.......4300 FT AGL.
TRANSPORT WINDS.....WEST 3 TO 9 MPH.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6 AM 9 AM NOON 3 PM
SKY COVER.......MCLEAR MCLEAR CLEAR CLEAR
CWR.............0 0 0 0
CHC OF THDR (%).0 0 0 0
TEMP............63 65 75 82
RH..............59 63 55 41
SL/VL WIND......S 1G3 SW 2G7 W 6G14 W 8G15
RIDGETOP WIND...SW 24 SW 24 SW 23 SW 22
MIX HGT (FT)....400 1200 2800 4300
TRANSPORT WIND..SW 3 SW 3 W 7 W 9
FORECASTER...JW
REQUESTED BY...BEAU BOURLAND/ JOHN FREDRICK
TYPE OF REQUEST...PRESCRIBED
.TAG 2622146.2/STO
.DELDT 09/24/26
.FORMATTERVERSION 2.0.0
.EMAIL BBOURLAN@EBMUD.COM,MICHAEL.SHODA@FIRE.CA.GOV,JOHN.FREDRICK@FIRE.CA.GOV
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