Spot Forecast
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
833
FNUS76 KSTO 241540
FWSSTO
Spot Forecast for WENTWORTH...USFS
National Weather Service Sacramento CA
840 AM PDT Sun Aug 24 2025
Forecast is based on forecast start time of 0900 PDT on August 24.
If conditions become unrepresentative...contact the National Weather
Service.
...Mountain Thunderstorm Chances Through Tuesday...
.DISCUSSION...
Near daily chances for isolated to scattered mountain
thunderstorms expected in the afternoon and evening today through
Tuesday. Primarily wet and quick moving thunderstorms expected,
although lightning outside of main precipitation cores may provide
additional impacts. Winds to generally remain light to breezy and
following terrain driven trends over the next several days, but
gusty and erratic winds possible at times in thunderstorm
development in the Wentworth Fire vicinity.
.REST OF TODAY...
Sky/weather.........Partly sunny. Slight chance of showers and
thunderstorms late in the morning, then
showers likely and chance of thunderstorms
in the afternoon.
Max temperature.....78-82.
Min humidity........40-45 percent.
Wind (20 ft)........
Slope/valley.......Southeast winds 5 to 7 mph shifting to the
north-northwest 6 to 9 mph by midday. Gusty
and erratic winds expected near thunderstorms
throughout the day.
Ridgetop...........Southeast around 6 mph shifting to the
southwest 7 to 8 mph late in the morning.
Mixing height.......7400 ft AGL.
Transport winds.....Southeast around 6 mph shifting to the
southwest 7 to 8 mph late in the morning.
CWR.................6 percent increasing to 17 percent late in the
morning, then decreasing to 6 percent late in
the afternoon.
Chance of thunder...15 percent this morning, rising to around 30
percent by midday.
TIME (PDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MC PC PC MC MC MC MC MC MC
CWR.............10 10 20 20 20 20 20 20 10
Chc of thdr (%).10 10 20 30 30 30 30 30 20
Temp............70 71 72 74 75 75 75 75 75
RH..............51 48 45 44 42 43 43 43 43
SL/VL wind dir..SE N SW SW SW W W W NW
SL/VL wind spd..6 5 5 3 5 5 5 5 3
SL/VL wind gust.10 9 9 9 9 10 12 10 9
Ridge wind dir..S S S SW SW SW W W W
Ridge wind spd..5 5 5 5 5 5 5 5 5
Mix hgt (kft)...2.7 2.7 7.4 7.4 7.4 6.9 6.9 6.9 4.3
Transp wind dir.SE SE SW SW SW SW SW SW W
Transp wind spd.6 6 8 8 8 8 8 8 7
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy
overnight. Slight chance of showers and
thunderstorms early in the evening.
Min temperature.....56-60.
Max humidity........67-71 percent.
Wind (20 ft)........
Slope/valley.......West-northwest winds 6 to 9 mph becoming east-
northeast overnight. Gusty and erratic
winds expected near thunderstorms early in the
evening.
Ridgetop...........West around 7 mph shifting to the east 8 to 9
mph early in the evening.
Mixing height.......300 ft AGL.
Transport winds.....West around 7 mph shifting to the east 8 to 9
mph early in the evening.
CWR.................6 percent.
Chance of thunder...20 percent in the early evening, falling to
5 percent overnight.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......MC MC MC MC PC MCR MCR MCR CLR CLR CLR MCR
CWR.............10 10 10 10 10 0 0 0 0 0 0 0
Chc of thdr (%).20 20 10 10 10 10 10 5 5 5 0 0
Temp............73 70 63 62 61 61 61 61 61 61 61 61
RH..............47 53 65 68 69 68 68 66 64 64 63 60
SL/VL wind dir..NW NW NE E E E E E E E E E
SL/VL wind spd..2 2 3 5 6 7 7 7 6 6 7 7
SL/VL wind gust.6 5 7 8 10 13 12 12 12 10 12 12
Ridge wind dir..W W E E E E E E E E E E
Ridge wind spd..5 5 5 5 5 5 5 5 5 5 5 5
Mix hgt (kft)...4.3 4.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
Transp wind dir.W W E E E E E E E E E E
Transp wind spd.7 7 9 9 9 8 8 8 9 9 9 9
.MONDAY...
Sky/weather.........Mostly sunny then becoming mostly cloudy by midday.
Showers likely and chance of thunderstorms late in the
morning into the afternoon.
Max temperature.....76-80.
Min humidity........39-43 percent.
Wind (20 ft)........
Slope/valley.......East winds 5 to 8 mph shifting to the west by midday.
Gusty and erratic winds expected near thunderstorms
throughout the day.
Ridgetop...........Southeast 6 to 9 mph shifting to the west 5 to
12 mph late in the morning, then shifting to
the east around 8 mph late in the afternoon.
Mixing height.......7800 ft AGL.
Transport winds.....Southeast 6 to 9 mph shifting to the west 5 to
12 mph late in the morning, then shifting to
the east around 8 mph late in the afternoon.
CWR.................4 percent increasing to 43 percent late in the
morning, then decreasing to 8 percent late in
the afternoon.
Chance of thunder...0 percent through much of the morning, increasing
to 30 to 40 percent by midday.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MCR MCR MCR MCR MCR MC MC MC MC MC MC MC
CWR.............0 0 0 0 0 40 40 40 40 40 40 10
Chc of thdr (%).0 0 0 0 0 30 30 30 40 40 40 20
Temp............60 61 67 71 73 74 74 72 71 71 70 69
RH..............62 59 50 47 42 39 41 47 52 52 52 54
SL/VL wind dir..E E E E E W W W W W W N
SL/VL wind spd..7 7 6 6 6 5 5 5 5 5 5 3
SL/VL wind gust.12 12 10 10 10 9 9 9 12 12 12 9
Ridge wind dir..NW NW W W W W W W W W W W
Ridge wind spd..5 5 5 5 5 5 10 10 15 10 10 5
Mix hgt (kft)...0.3 0.3 1.7 1.7 1.7 7.8 7.8 7.8 4.1 4.1 4.1 2.5
Transp wind dir.E E SE SE SE W W W W W W E
Transp wind spd.9 9 6 6 6 5 5 5 12 12 12 8
$$
Forecaster...NR
Requested by...SUSAN COOK, ACM
Type of request...WILDFIRE
.TAG 2520568.0/STO
.DELDT 08/24/25
.FormatterVersion 2.0.0
.EMAIL CACICC@FIRENET.GOV