142
FNUS76 KSTO 222053
FWSSTO
SPOT FORECAST FOR SOUTH RIM PILE BURN...CHICO FIRE DEPARTMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
153 PM PDT WED APR 22 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON APRIL 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRIER AND WARMER WEATHER IS EXPECTED THURSDAY THROUGH FRIDAY.
DAYTIME HUMIDITY VALUES WILL TREND DRIER, WITH VALUES RANGING FROM
30-40% ON THURSDAY. NORTH-NORTHWEST WINDS EXPECTED ON THURSDAY,
WITH LOCAL GUSTS UP TO 10-15 MPH IN THE LATE MORNING AND AFTERNOON
HOURS. LIGHT, TERRAIN-DRIVEN WINDS EXPECTED THURSDAY NIGHT INTO
FRIDAY.
THURSDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....72-76.
MIN HUMIDITY........33-38 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING NORTHWEST 5 TO 8 MPH IN
THE LATE MORNING AND AFTERNOON. GUSTS UP TO
10-15 MPH.
RIDGETOP...........NORTH TO NORTHWEST 6 TO 8 MPH.
MIXING HEIGHT.......3400 FT AGL.
TRANSPORT WINDS.....NORTH TO NORTHWEST 6 TO 8 MPH.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR MCR
CWR.............0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0
TEMP............51 53 59 62 65 68 71 72 72 74
RH..............71 66 62 57 52 48 44 40 38 36
SL/VL WIND DIR..N NW NW NW NW NW NW NW NW NW
SL/VL WIND SPD..2 3 6 8 8 8 8 7 7 6
SL/VL WIND GUST.6 7 9 13 13 13 14 13 12 9
RIDGE WIND DIR..N N N NW NW NW NW NW NW W
RIDGE WIND SPD..6 6 6 8 8 8 8 8 8 7
MIX HGT (KFT)...1.3 1.3 1.3 2.7 2.7 2.7 3.4 3.4 3.4 2.7
TRANSP WIND DIR.N N N NW NW NW NW NW NW W
TRANSP WIND SPD.6 6 6 8 8 8 8 8 8 7
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....49-53.
MAX HUMIDITY........67-71 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 6 MPH EARLY IN THE EVENING
BECOMING LIGHT EAST-SOUTHEAST.
RIDGETOP...........WEST AROUND 7 MPH SHIFTING TO THE SOUTHEAST
AROUND 6 MPH EARLY IN THE EVENING, THEN
SHIFTING TO THE EAST 5 TO 6 MPH OVERNIGHT.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....WEST AROUND 7 MPH SHIFTING TO THE SOUTHEAST
AROUND 6 MPH EARLY IN THE EVENING, THEN
SHIFTING TO THE EAST 5 TO 6 MPH OVERNIGHT.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............72 70 66 62 60 58 57 56 55 54 52 52
RH..............41 48 55 60 63 65 66 67 67 67 68 68
SL/VL WIND DIR..NW NW SE SE SE E E E NE NE NE E
SL/VL WIND SPD..6 6 2 2 2 3 3 3 2 2 2 2
SL/VL WIND GUST.9 9 5 5 5 6 6 6 5 5 5 3
RIDGE WIND DIR..W W SE SE SE E E E E E E E
RIDGE WIND SPD..7 7 6 6 6 6 6 6 5 5 5 6
MIX HGT (KFT)...2.7 2.7 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8
TRANSP WIND DIR.W W SE SE SE E E E E E E E
TRANSP WIND SPD.7 7 6 6 6 6 6 6 5 5 5 6
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....71-75.
MIN HUMIDITY........43-47 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT EAST WINDS BECOMING SOUTH UP TO 10 MPH
LATE IN THE MORNING.
RIDGETOP...........EAST 5 TO 6 MPH SHIFTING TO THE SOUTH 6 TO 12
MPH LATE IN THE MORNING.
MIXING HEIGHT.......3700 FT AGL.
TRANSPORT WINDS.....EAST AROUND 6 MPH SHIFTING TO THE SOUTH 6 TO 12
MPH LATE IN THE MORNING.
CWR.................1 PERCENT.
CHANCE OF THUNDER...4 PERCENT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR MCR MCR MCR PC PC PC PC PC PC PC
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............52 53 55 58 61 64 67 69 71 72 72 71
RH..............69 69 69 67 64 61 58 54 51 48 45 45
SL/VL WIND DIR..E E E E E S S S S S S S
SL/VL WIND SPD..2 2 1 1 1 5 5 5 8 8 8 10
SL/VL WIND GUST.3 3 2 2 2 7 7 7 13 13 13 15
RIDGE WIND DIR..E E E E E S S S S S S S
RIDGE WIND SPD..6 6 5 5 5 6 6 6 9 9 9 12
MIX HGT (KFT)...0.8 0.8 1.3 1.3 1.3 2.6 2.6 2.6 3.7 3.7 3.7 3.6
TRANSP WIND DIR.E E E E E S S S S S S S
TRANSP WIND SPD.6 6 5 5 5 6 6 6 9 9 9 12
FORECAST DAYS 3 THROUGH 5
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S.
SOUTHEAST WINDS AROUND 6 MPH.
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND 11 MPH.
MONDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE UPPER 60S. LIGHT
WINDS.
FORECASTER...IDS
REQUESTED BY...CHRIS MARKEY
TYPE OF REQUEST...PRESCRIBED
.TAG 2611216.3/STO
.DELDT 04/22/26
.FORMATTERVERSION 2.0.0
.EMAIL LINDSAY.AMUNDSON@CHICOCA.GOV
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