Spot Forecast
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
416
FNUS76 KSTO 251915
FWSSTO
Spot Forecast for Corning L&C VMP...CALFIRE
National Weather Service Sacramento CA
1215 PM PDT Fri Sep 25 2026
Forecast is based on ignition time of 0800 PDT on September 29.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...
Mostly sunny, dry and warm at the burn site Thursday, with
northwest winds in the morning 5 to 9 mph with gusts to 15 mph
becoming north up to 9 mph with gusts to 20 mph by late morning
into the afternoon. Low afternoon humidity values in the mid to
upper 20s expected. Mixing heights around 1000 feet at burn site
in the morning, climbing to 4500 feet by the afternoon, dropping
to around 500 feet by Thursday night/Friday morning. High
temperatures will be in the upper 80s to low to 90s.
.TUESDAY...
Sky/weather.........Sunny.
Max temperature.....87-91.
Min humidity........14-18 percent.
Wind (20 ft)........
Slope/valley.......Northwest winds 5 to 9 mph shifting to the
north up to 9 mph with gusts to around 20 mph
late in the morning and afternoon.
Ridgetop...........Northwest 8 to 12 mph.
Mixing height.......4500 ft AGL.
Transport winds.....North around 9 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 CLR
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............65 71 78 84 87 89 89 89 89 87
RH..............31 27 22 19 17 16 16 16 17 18
SL/VL wind dir..NW NW NW N N N N N N N
SL/VL wind spd..9 9 9 8 8 8 7 7 7 5
SL/VL wind gust.15 15 15 20 20 20 18 18 18 14
Ridge wind dir..NW NW NW N N N N N N N
Ridge wind spd..9 9 9 9 9 9 9 9 9 9
Mix hgt (kft)...0.6 0.6 0.6 3.2 3.2 3.2 4.5 4.5 4.5 4.1
Transp wind dir.NW NW NW N N N N N N N
Transp wind spd.9 9 9 9 9 9 9 9 9 9
.TUESDAY NIGHT...
Sky/weather.........Clear.
Min temperature.....61-65.
Max humidity........39-43 percent.
Wind (20 ft)........
Slope/valley.......North winds up to 5 mph shifting to the
northwest up to 7 mph early in the evening.
Ridgetop...........Northwest 8 to 10 mph.
Mixing height.......500 ft AGL.
Transport winds.....North around 9 mph shifting to the northwest
around 8 mph early in the evening.
CWR.................0 percent.
Chance of thunder...0 percent.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR
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............83 78 74 73 72 72 71 70 69 68 66 65
RH..............20 23 26 27 28 28 29 30 32 34 36 38
SL/VL wind dir..N N W W W NW NW NW NW NW NW NW
SL/VL wind spd..5 5 7 7 7 6 6 6 6 6 6 5
SL/VL wind gust.14 14 10 10 10 13 13 13 9 9 9 8
Ridge wind dir..N N W W W NW NW NW NW NW NW NW
Ridge wind spd..9 9 8 8 8 8 8 8 8 8 8 8
Mix hgt (kft)...4.1 4.1 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.N N W W W NW NW NW NW NW NW NW
Transp wind spd.9 9 8 8 8 8 8 8 8 8 8 8
.WEDNESDAY...
Sky/weather.........Sunny.
Max temperature.....85-89.
Min humidity........20-24 percent.
Wind (20 ft)........
Slope/valley.......Northwest winds up to 5 mph shifting to the
northeast late in the morning, then becoming
light late in the afternoon.
Ridgetop...........Northwest around 8 mph.
Mixing height.......3800 ft AGL.
Transport winds.....Northwest around 8 mph shifting to the
northeast 6 to 7 mph late in the morning, then
shifting to the southeast around 7 mph late in
the afternoon.
CWR.................0 percent.
Chance of thunder...0 percent.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR
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............64 63 65 70 76 82 85 87 87 87 87 85
RH..............40 41 40 35 30 26 24 23 22 22 22 23
SL/VL wind dir..NW NW NW NW NW NE NE NE E E E E
SL/VL wind spd..5 5 5 5 5 5 5 5 5 5 5 3
SL/VL wind gust.8 8 7 7 7 9 9 9 12 12 12 9
Ridge wind dir..NW NW NW NW NW N N N NE NE NE SE
Ridge wind spd..8 8 8 8 8 7 7 7 6 6 6 7
Mix hgt (kft)...0.5 0.5 0.4 0.4 0.4 2.4 2.4 2.4 3.8 3.8 3.8 3.4
Transp wind dir.NW NW NW NW NW N N N NE NE NE SE
Transp wind spd.8 8 8 8 8 7 7 7 6 6 6 7
$$
Forecaster...EK
Requested by...Trang Nguyen - RDSII
Type of request...PRESCRIBED
.TAG 2622531.0/STO
.DELDT 09/25/26
.FormatterVersion 2.0.0
.EMAIL trang.nguyen@fire.ca.gov,Gabriel.Trull@fire.ca.gov,Lucas.Rambo@fire.ca.gov