National Weather Service Forecast for: Placerville CA
Issued by: National Weather Service Sacramento, CA
Updated: 3:03 am PDT May 23, 2018

Placerville
 
Today

Today: Mostly sunny, with a high near 73. Southwest wind around 10 mph.
Mostly Sunny

Tonight

Tonight: Mostly clear, with a low around 50. Southwest wind 5 to 8 mph becoming calm  in the evening.
Mostly Clear

Thursday

Thursday: Mostly sunny, with a high near 72. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Mostly Sunny

Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 11pm.  Mostly cloudy, with a low around 48. West wind 5 to 8 mph becoming calm  in the evening.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers

Friday

Friday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 63. South wind 3 to 5 mph.  Chance of precipitation is 30%.
Chance
T-storms

Friday
Night
Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 47. Chance of precipitation is 30%.
Chance
Showers

Saturday

Saturday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 68. Chance of precipitation is 30%.
Chance
Showers then
Slight Chance
T-storms
Saturday
Night
Saturday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 50.
Slight Chance
T-storms then
Slight Chance
Showers
Sunday

Sunday: Sunny, with a high near 79.
Sunny

Hi 73 °F Lo 50 °F Hi 72 °F Lo 48 °F Hi 63 °F Lo 47 °F Hi 68 °F Lo 50 °F Hi 79 °F

 

Today
 
Mostly sunny, with a high near 73. Southwest wind around 10 mph.
Tonight
 
Mostly clear, with a low around 50. Southwest wind 5 to 8 mph becoming calm in the evening.
Thursday
 
Mostly sunny, with a high near 72. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Thursday Night
 
A 30 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 48. West wind 5 to 8 mph becoming calm in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 63. South wind 3 to 5 mph. Chance of precipitation is 30%.
Friday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.
Saturday
 
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Saturday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Sunday
 
Sunny, with a high near 79.
Sunday Night
 
Mostly clear, with a low around 55.
Memorial Day
 
Sunny, with a high near 85.
Monday Night
 
Mostly clear, with a low around 57.
Tuesday
 
Sunny, with a high near 86.

 

Forecast from NOAA-NWS for Placerville CA.


NWS Local Northern CA. Outlook Discussion


000
FXUS66 KSTO 231137
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
437 AM PDT Wed May 23 2018

.SYNOPSIS...
Afternoon and evening thunderstorms possible mainly over higher
terrain this week. These are expected to extend through the
Valley late in the week, along with some mountain snow showers
Friday and Saturday. Slightly cooler than normal temperatures
continue across most of the region this week warming to above
normal early next week.

&&

.DISCUSSION...
Upper level low pressure shifts to the north and east today.
Showers and thunderstorms ended by late evening, with dry weather
conditions overnight. Some morning showers are possible over
higher terrain, maybe even a few sprinkles in the Valley.
Unstable conditions in the afternoon will develop, with
thunderstorms possible. These should be more limited to over the
mountains than what we saw yesterday.

The Delta breeze has remained moderately strong overnight, keeping
temperatures relatively cool in Delta breeze influenced areas.
Marine stratus clouds have spread into the Delta and Sacramento
metro as well, and will linger until late in the morning.
Temperatures today will remain on the cool side with highs in the mid
70s around Sacramento, upper 60s in the Delta, and low 80s
elsewhere in the Valley. The Delta breeze will continue to be a
factor through the next several days.

Wednesday will still have a decent Delta breeze in place and
temperatures are expected to be slightly cooler across the region.
Unstable air over the mountains will continue with possible
afternoon and evening thunderstorm activity.

An upper trough currently off the coast will approach Thursday and
move inland late Thursday night into Friday. This will bring the
potential for widespread showers, including across the Valley and
Delta. Some afternoon and evening thunderstorms are also expected,
with unstable conditions from a cool core low. Snow levels will
drop enough to allow some snow at pass levels, with up to 1 to 3
inches of snow possible over higher mountains from Friday through
Saturday. High temperatures trend well below normal Thursday and
Friday. Friday highs across the Valley are expected to be only in
the low 70s, about 10 degrees below normal.

Showers linger across much of the area Saturday morning, then
gradually shift eastward as the upper low exits to the east.
Mountain showers and thunderstorms are once again an issue in the
afternoon and evening. Anyone planning outdoor activities for the
holiday weekend should be prepared for these storms, and have
shelter available, especially from lightning. High elevation
hikers and campers should also be prepared for unseasonably cool
temperatures and snow showers. EK

&&

.EXTENDED DISCUSSION (Sunday THROUGH Wednesday)

Upper low centered east of the forecast could keep a threat of
afternoon showers and thunderstorms over the northern Sierra
through early next week. Activity is expected to remain south of
HWY 50. Northerly winds will develop Sunday into Monday in the
wake of the departing low. Ridge of high pressure begins to build
off the CA coast early next week. As a result, temperatures will
begin to warm up across the region with most Valley locations
potentially reaching the 90s. Another upper trough approaches from
the west by midweek, and might bring precipitation activity over
higher terrain as well as slightly cooler temperatures.

&&

.AVIATION...

Showers and thunderstorms expected over the mountains after 18z
Wednesday. Local MVFR/IFR conditions possible in storms.
Otherwise, mainly VFR conditions over interior NorCal next 24
hours except low cigs near Sacramento TAF sites until 15Z
Wednesday. Winds up to 15 kts at TAF sites. Gusts up to 30kts in
Delta, decreasing to 20 kts overnight.
&&

.STO WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$
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