178
FNUS76 KSTO 200159
FWSSTO
SPOT FORECAST FOR RED BLUFF VM RX...USFS
NATIONAL WEATHER SERVICE SACRAMENTO CA
659 PM PDT TUE MAY 19 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON MAY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MOSTLY SUNNY, WITH LIGHT SURFACE AND MIDFLAME WINDS AND LOW DAYTIME
HUMIDITIES ARE EXPECTED THURSDAY AND INTO THE WEEKEND. LIGHT, TERRAIN
DRIVEN SURFACE WINDS BELOW 5 MPH FOR MOST OF THE FORECAST PERIOD WITH
MIDFLAME WINDS AROUND 1-3 MPH IN THE FORECAST. THURSDAY HAS BEST CHANCES
OF SEEING THE BURN SITE REACH 100F, ALTHOUGH PROBABILITIES ARE LOW AT
AROUND 5-10%. CHANCES OF REACHING 100 ON FRIDAY LOWER, BUT THERE IS A
NON-ZERO CHANCE, AROUND 5%. DAYTIME HUMIDITY LEVELS SHOULD REMAIN JUST
AT AND SLIGHTLY ABOVE THE 10% THRESHOLD, WITH LOW TO MID TEENS EXPECTED
THURSDAY AND FRIDAY. SLIGHT COOLING BY THE WEEKEND, WITH SIMILAR WIND
SPEEDS AND MIDFLAME WINDS IN THE FORECAST.
THURSDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....95-99.
MIN HUMIDITY........11-15 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST UP TO 5 MPH IN THE
AFTERNOON.
MIDFLAME WINDS.....LIGHT WINDS BECOMING WEST AROUND 1-3 MPH IN
THE AFTERNOON.
RIDGETOP...........WEST AROUND 2 MPH.
MIXING HEIGHT.......7300 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 8 MPH.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
THURSDAY NIGHT
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....62-66.
MAX HUMIDITY........48-52 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS UP TO 5 MPH IN THE EVENING BECOMING
LIGHT.
MIDFLAME WINDS.....SOUTH MIDFLAME WINDS AROUND 1-3 MPH.
RIDGETOP...........WEST AROUND 4 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 7 MPH.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
FRIDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....95-99.
MIN HUMIDITY........10-14 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH IN THE
AFTERNOON.
MIDFLAME WINDS.....LIGHT MIDFLAME WINDS IN THE MORNING, BECOMING
SOUTHERLY AROUND 1-3 MPH.
RIDGETOP...........WEST AROUND 7 MPH.
MIXING HEIGHT.......6200 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 6 MPH.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
FORECAST DAYS 3 THROUGH 7
SATURDAY
CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 90S. SOUTH WINDS
AROUND 6 MPH. MIDFLAME WINDS AROUND 1-3 MPH.
SUNDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE MID 90S. SOUTH WINDS
AROUND 5 MPH. MIDFLAME WINDS AROUND 1-3 MPH.
MEMORIAL DAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS AROUND 90. SOUTH WINDS AROUND
6 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S.
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 60.
FORECASTER...JW
REQUESTED BY...BRAD TOVAR
TYPE OF REQUEST...PRESCRIBED
.TAG 2613960.0/STO
.DELDT 05/20/26
.FORMATTERVERSION 2.0.0
.EMAIL BRADFORD.TOVAR@USDA.GOV,ADAM.CORONADO@USDA.GOV
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