National Weather Service Forecast for: Placerville CA
Issued by: National Weather Service Sacramento, CA
Updated: 8:50 pm PST Feb 3, 2023

Placerville
 
Tonight

Tonight: Mostly cloudy, with a steady temperature around 45. East wind 3 to 5 mph.
Mostly Cloudy

Saturday

Saturday: Increasing clouds, with a high near 58. East southeast wind 5 to 14 mph becoming south in the afternoon. Winds could gust as high as 21 mph.
Increasing
Clouds
Saturday
Night
Saturday Night: Rain.  Low around 41. Breezy, with a south southeast wind 16 to 22 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Rain and
Breezy
Sunday

Sunday: Showers and possibly a thunderstorm before 5pm, then a slight chance of showers and thunderstorms after 5pm.  High near 45. South southwest wind around 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers

Sunday
Night
Sunday Night: A 20 percent chance of showers before 11pm.  Mostly cloudy, with a low around 31. Southeast wind around 5 mph becoming light and variable.
Slight Chance
Showers then
Partly Cloudy
Monday

Monday: Sunny, with a high near 54.
Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 34.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 56.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 38.
Mostly Clear

Lo 45 °F Hi 58 °F Lo 41 °F Hi 45 °F Lo 31 °F Hi 54 °F Lo 34 °F Hi 56 °F Lo 38 °F

 

Tonight
 
Mostly cloudy, with a steady temperature around 45. East wind 3 to 5 mph.
Saturday
 
Increasing clouds, with a high near 58. East southeast wind 5 to 14 mph becoming south in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
 
Rain. Low around 41. Breezy, with a south southeast wind 16 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday
 
Showers and possibly a thunderstorm before 5pm, then a slight chance of showers and thunderstorms after 5pm. High near 45. South southwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
 
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 31. Southeast wind around 5 mph becoming light and variable.
Monday
 
Sunny, with a high near 54.
Monday Night
 
Mostly clear, with a low around 34.
Tuesday
 
Sunny, with a high near 56.
Tuesday Night
 
Mostly clear, with a low around 38.
Wednesday
 
Mostly sunny, with a high near 54.
Wednesday Night
 
Partly cloudy, with a low around 34.
Thursday
 
Sunny, with a high near 55.
Thursday Night
 
Mostly clear, with a low around 34.
Friday
 
Mostly sunny, with a high near 56.

 

Forecast from NOAA-NWS for Placerville CA.


NWS Local Northern CA. Outlook Discussion


000
FXUS66 KSTO 032205
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
205 PM PST Fri Feb 3 2023

.SYNOPSIS...
Dry weather with patchy morning fog before a stronger system
moves through Saturday night and Sunday bringing gusty winds, rain
and heavy mountain snow. Dry weather returns and continues for
much of next week.

&&

.Discussion...
The main part of the upper level trough and low pressure center is
begining to push into BC this afternoon with a short wave trough
pushing to our east. A few light showers are lingering over
southeast portions of the area. These showers will continue to
diminish as the afternoon goes on. Ridging will be building to our
east tonight into tomorrow and that will bring a break from rain
and snow into Saturday. We will see some clearing this evening but
high clouds will quickly move in overnight ahead of our next
system for later Saturday into Sunday. This does bring some
uncertainty for fog potential tonight but given the light rain
today and some clearing expected we should see some patchy fog
develop from around Marysville south. If we see more clearing
some of the fog could be dense.

Upper level trough and cold front then approach the region
Saturday afternoon into Sunday. This will bring the return of rain
and snow. Precip will move in mainly after 4 pm but some light
activity will be possible before that. Widespread rain and snow is
expected for the evening into the overnight. The cold front will
push south of us by daybreak Sunday with the trough axis digging
down the coast. This is going to keep showers in the forecast
throughout the day Sunday.

Models build in 100-500 j/kg of CAPE by Sunday afternoon mainly
from about Chico south. This is also the same area that should see
better forcing during the afternoon with the trough. A few
isolated thunderstorms will be possible. Soundings are not overly
impressive with most of the better shear above 500 mb. We still
see 0-1 km shear up to 20 knots which might be enough for a funnel
cloud or two but overall the threat looks low. The main concern
with any convection would be brief heavy rain and small hail.

A few showers will linger into Sunday night over the mountains,
otherwise dry conditions set in with upper level ridging
developing on Monday. QPF with this system are looking to be
0.25-0.75" in the Valley, 0.75-2" in the foothills, and 1-3" in
the mountains. Snow levels initially start out 5500 to 6500 feet
late Saturday afternoon and lower to 3500 to 4500 feet on Sunday.
The majority of the snow accumulation will be above 4500 feet but
light snow accumulation is expected down to around 4000 feet
Sunday. 1 to 3 feet of snow is expected above 5000 feet and 3 to
15 inches above 4000 feet.

Quiet and dry weather is expected on Monday.

-CJM

&&

.EXTENDED DISCUSSION (Tuesday THROUGH Friday)...
Overall we will see quiet weather for the extended period.
Ensembles bring in a trough mid-week and are struggling with the
placement. It is favored to stay to our north over the PacNW but
30% or so of the members bring it further south. If we would see
this further south solutions some light mountain showers will be
possible Wednesday. Ridging is then favored for the end of the
week. Highs will be seasonal with chilly overnight lows.

-CJM

&&

.AVIATION...
Lingering light showers possible through this afternoon, tapering
off by the evening hours. Southerly wind gusts up to 25-40 kts
over higher terrain through 00Z Saturday. Local MVFR/IFR
visibilities after 10Z-12Z Saturday with BR/FG across portions of
the Sacramento Valley and northern San Joaquin Valley. A stronger
weather system will bring widespread precipitation after 22z
Saturday.

&&

.STO WATCHES/WARNINGS/ADVISORIES...
Winter Storm Warning from 4 PM Saturday to 10 PM PST Sunday for
West Slope Northern Sierra Nevada-Western Plumas County/Lassen
Park.

&&

$$
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