071
FNUS76 KSTO 101721
FWSSTO

Spot Forecast for Concow RX...Usfs
National Weather Service Sacramento CA
921 AM PST Wed Dec 10 2025

Forecast is based on ignition time of 0900 PST on December 10.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Dry conditions and above average temperatures are forecast for
the burn location this week. Mainly light north to northeast flow
is expected, with wind speeds generally less than 12 mph. No
precipitation is currently anticipated through the weekend, then
chances for light precipitation increase early next week. Relative
humidity will gradually trend lower as the week progresses for
both the daytime and overnight periods.

.REST OF TODAY...

Sky/weather.........Sunny. Haze late in the morning.
Max temperature.....59-64.
Min humidity........46-51 percent.
Wind (20 ft)........
 Slope/valley.......Northeast winds 5 to 7 mph late in the morning
                    shifting to the northwest up to 5 mph, then
                    shifting to the west early in the afternoon
                    becoming light.
 Ridgetop...........North to northeast 3 to 10 mph.
Mixing height.......200 ft AGL.
Transport winds.....North to northeast 3 to 10 mph.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PST)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MCR CLR CLR MCR CLR MCR MCR MCR MCR
CWR.............0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0
Temp............54  56  58  59  59  60  58  57  56
RH..............54  53  56  57  62  64  66  70  68
SL/VL wind dir..NE  N   NW  W   W   SW  SW  NW  NE
SL/VL wind spd..7   6   5   5   3   3   3   2   2
SL/VL wind gust.14  12  9   8   8   8   7   5   5
Ridge wind dir..NE  NE  NE  NE  N   N   N   NE  NE
Ridge wind spd..10  6   6   6   3   3   3   3   3
Mix hgt (kft)...0.1 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.1
Transp wind dir.NE  NE  NE  NE  N   N   N   NE  NE
Transp wind spd.10  6   6   6   3   3   3   3   3

.TONIGHT...

Sky/weather.........Mostly clear.
Min temperature.....50-55.
Max humidity........48-52 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming northeast 5 to 9 mph.
 Ridgetop...........Northeast 3 to 9 mph.
Mixing height.......0 ft AGL.
Transport winds.....Northeast 3 to 9 mph.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......MCR MCR MCR MCR 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............55  56  56  57  56  57  56  56  56  56  56  55
RH..............65  60  58  54  52  50  50  49  47  46  47  45
SL/VL wind dir..NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
SL/VL wind spd..3   6   6   6   6   7   7   8   8   9   9   9
SL/VL wind gust.7   8   9   9   10  10  12  12  13  13  14  14
Ridge wind dir..NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  N   N
Ridge wind spd..3   6   6   6   8   8   8   9   9   9   9   9
Mix hgt (kft)...0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  N   N
Transp wind spd.3   6   6   6   8   8   8   9   9   9   9   9

.THURSDAY...

Sky/weather.........Sunny.
Max temperature.....60-64.
Min humidity........46-50 percent.
Wind (20 ft)........
 Slope/valley.......Northeast winds 5 to 9 mph in the morning
                    becoming light.
 Ridgetop...........North to northeast 5 to 12 mph.
Mixing height.......Rising to around 500 ft AGL by the afternoon.
Transport winds.....North to northeast 5 to 12 mph.
CWR.................0 percent.
Chance of thunder...0 percent.

TIME (PST)      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............55  53  53  54  56  58  60  62  61  60  59  58
RH..............44  46  48  48  48  48  49  51  55  58  60  57
SL/VL wind dir..NE  NE  NE  NE  NE  NE  NE  N   N   N   N   N
SL/VL wind spd..9   9   9   9   6   6   6   3   3   3   2   2
SL/VL wind gust.14  14  14  14  10  10  10  7   7   7   5   5
Ridge wind dir..N   N   N   N   NE  NE  NE  N   N   N   N   N
Ridge wind spd..9   12  12  12  7   7   7   5   5   5   6   6
Mix hgt (kft)...0.1 0.1 0.1 0.1 0.2 0.2 0.2 0.5 0.5 0.5 0.1 0.1
Transp wind dir.N   N   N   N   NE  NE  NE  N   N   N   N   N
Transp wind spd.9   12  12  12  7   7   7   5   5   5   6   6

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...
Mostly clear. Lows around 50. Highs in the lower 60s. Northeast
winds around 8 mph.
.SATURDAY...
Mostly clear. Lows in the upper 40s. Highs around 60. Northeast
winds around 6 mph.
.SUNDAY...
Mostly clear. Lows in the upper 40s. Highs in the upper 50s. East
winds around 5 mph.

$$
Forecaster...IDS
Requested by...jason miller
Type of request...PRESCRIBED
.TAG 2527386.0/STO
.DELDT 12/10/25
.FormatterVersion 2.0.0
.EMAIL james.lico@usda.gov,jason.t.miller@usda.gov,jesse.stevens@usda.gov,mark.cresalia@usda.gov