National Weather Service Forecast for: Placerville CA
Issued by: National Weather Service Sacramento, CA
Updated: 5:21 pm PDT May 27, 2024

Placerville
 
Tonight

Tonight: Clear, with a low around 54. Light and variable wind.
Low: 54 °F
Tuesday

Tuesday: Sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.
High: 79 °F
Tuesday
Night
Tuesday Night: Clear, with a low around 53. Southwest wind around 6 mph becoming calm  in the evening.
Low: 53 °F
Wednesday

Wednesday: Sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.
High: 80 °F
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 57. West northwest wind around 6 mph becoming calm  in the evening.
Low: 57 °F
Thursday

Thursday: Sunny, with a high near 86.
High: 86 °F
Thursday
Night
Thursday Night: Clear, with a low around 60.
Low: 60 °F
Friday

Friday: Sunny, with a high near 88.
High: 88 °F
Friday
Night
Friday Night: Clear, with a low around 60.
Low: 60 °F
Clear
Sunny
Clear
Sunny
Mostly Clear
Sunny
Clear
Sunny
Clear

 

Tonight
 
Clear, with a low around 54. Light and variable wind.
Tuesday
 
Sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
 
Clear, with a low around 53. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
 
Sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 57. West northwest wind around 6 mph becoming calm in the evening.
Thursday
 
Sunny, with a high near 86.
Thursday Night
 
Clear, with a low around 60.
Friday
 
Sunny, with a high near 88.
Friday Night
 
Clear, with a low around 60.
Saturday
 
Sunny, with a high near 86.
Saturday Night
 
Clear, with a low around 58.
Sunday
 
Sunny, with a high near 84.
Sunday Night
 
Mostly clear, with a low around 58.
Monday
 
Sunny, with a high near 83.

 

Forecast from NOAA-NWS for Placerville CA.


NWS Local Northern CA. Outlook Discussion


947
FXUS66 KSTO 272013
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
113 PM PDT Mon May 27 2024

.SYNOPSIS...
Periods of minor to moderate HeatRisk this week with locally
elevated fire conditions across the northern and central
Sacramento Valley Thursday. Onshore flow returns late this weekend
into early next week.

&&

.DISCUSSION...
A relatively quiet remainder of Memorial Day expected with
afternoon highs in the upper 80s and low 90s in the Valley.
Showers along the Sierra crest are possible this afternoon and
evening but should quickly move eastward off the crest if
anything materializes. Current satellite shows growing cumulus
clouds along the Sierra and Southern Cascades but no indication
of any organized development as of early Monday afternoon. NBM
probability shows a 10-25% chance of thunderstorm development
south of I-80 along the Sierra.

The dominant feature of the forecast early this week is an upper
level trough moving through the Pacific NW that will maintain
weak onshore flow over the area. Areas near the Delta will see
west gusts 15 to 25 MPH, strongest in the afternoons. Afternoon
highs on Tuesday will be in the mid to upper 80s in the Valley
with 70s and 60s across the foothills and mountains respectively.

The axis of the trough slides over Northern CA Tuesday with weak
ridging developing over the Eastern Pacific that will induce
breezy north winds in the Valley with warm, dry conditions. North
winds 10 to 15 MPH with gusts up to 25 MPH start late Wednesday
morning through the afternoon across the I-5 corridor,
redeveloping stronger Thursday morning. North winds 15 to 20 MPH
with gusts up to 30 MPH are forecasted, strongest late Thursday
morning. NBM probabilities show a 15-40% chance of wind speeds
exceeding 40 MPH on Thursday, highest across the Tehama and Glenn
county. Combined with low RHs (10-20% Min. RH) across the Valley,
elevated fire conditions are expected Thursday. Be sure to avoid
outdoor burning, avoid equipment that creates sparks, keep
vehicles off dry grass, and properly dispose of cigarettes.

This switch in flow pattern will also see temperatures warm
midweek. By Thursday areas of Moderate HeatRisk in the Valley are
forecasted with highs in the low to mid 90s with 80s and 70s
across the foothills and mountains respectively. NBM probabilities
for afternoons higher than 100 degrees is only 10-30% chance, so
triple digit highs have a better chance Friday and Saturday. Be
sure to stay well hydrated and take breaks in the shade!

&&

.EXTENDED DISCUSSION (Friday THROUGH Monday)...

Friday sees the continuation of the high temperatures on Thursday,
as a transient ridge continues over the area. There is a chance we
could see our first triple digit temperatures in the Valley on
Friday, with 25 to 65% probabilities of temperatures at or
greater than 100 degrees in the Sacramento Valley. Subsequently,
Moderate HeatRisk continues in most of the Valley through Friday.
A shortwave trough will flatten the ridging pattern over our area
through the weekend, keeping temperatures from reaching any
higher, though highs will still be in the 90s generally. The
Sacramento metropolitan area and nearby Delta region will be
slightly cooler, in the high 80s, due to onshore flow. The onshore
flow will also bring breezy conditions in the late afternoon and
evening. Areas of Moderate HeatRisk will also diminish during this
time, leaving mostly Minor HeatRisk in its place. //SP

&&

.AVIATION...

VFR conditions next 24 hours. Local southwest surface wind gusts
15-25 kts in the vicinity of the west Delta, generally less than
12 kts elsewhere.
&&

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

$$
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