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Placerville, CA 7 Day Forecast & Discussion
Wx Discussion - Wx Hazards - Wx Aviation
(Downtown Placerville is at about the 1,867 foot el.)
NWS Forecast for Placerville CA
National Weather Service Forecast for: Placerville CA
Issued by: National Weather Service Sacramento, CA
Updated: 5:21 pm PDT Jun 20, 2024
 
Tonight

Tonight: Widespread haze before 3am. Mostly clear, with a low around 60. South southeast wind around 5 mph becoming calm  after midnight.
Haze
Friday

Friday: Sunny, with a high near 93. Calm wind becoming west southwest 5 to 8 mph in the morning.
Sunny
Friday
Night
Friday Night: Clear, with a low around 68. West southwest wind 5 to 7 mph becoming east southeast after midnight.
Clear
Saturday

Saturday: Sunny and hot, with a high near 98. East wind 5 to 8 mph becoming west southwest in the afternoon.
Hot
Saturday
Night
Saturday Night: Clear, with a low around 68. West southwest wind around 6 mph becoming calm  in the evening.
Clear
Sunday

Sunday: Sunny, with a high near 95.
Sunny
Sunday
Night
Sunday Night: Clear, with a low around 64.
Clear
Monday

Monday: Sunny, with a high near 94.
Sunny
Monday
Night
Monday Night: Clear, with a low around 63.
Clear
Lo 60 °F Hi 93 °F Lo 68 °F Hi 98 °F Lo 68 °F Hi 95 °F Lo 64 °F Hi 94 °F Lo 63 °F

Heat Advisory
 

Tonight
 
Widespread haze before 3am. Mostly clear, with a low around 60. South southeast wind around 5 mph becoming calm after midnight.
Friday
 
Sunny, with a high near 93. Calm wind becoming west southwest 5 to 8 mph in the morning.
Friday Night
 
Clear, with a low around 68. West southwest wind 5 to 7 mph becoming east southeast after midnight.
Saturday
 
Sunny and hot, with a high near 98. East wind 5 to 8 mph becoming west southwest in the afternoon.
Saturday Night
 
Clear, with a low around 68. West southwest wind around 6 mph becoming calm in the evening.
Sunday
 
Sunny, with a high near 95.
Sunday Night
 
Clear, with a low around 64.
Monday
 
Sunny, with a high near 94.
Monday Night
 
Clear, with a low around 63.
Tuesday
 
Sunny, with a high near 93.
Tuesday Night
 
Mostly clear, with a low around 63.
Wednesday
 
Sunny, with a high near 92.
Wednesday Night
 
Clear, with a low around 61.
Thursday
 
Sunny, with a high near 89.

 

Forecast from NOAA-NWS for Placerville CA.

Weather Forecast Discussion
311
FXUS66 KSTO 202150
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
250 PM PDT Thu Jun 20 2024



.SYNOPSIS...
Dry weather continues, with a warming trend over the next couple
of days resulting in Moderate HeatRisk Friday-Monday. Hottest
temperatures of the week will be on Saturday with widespread
triple digits. After Saturday, there will be slow cooling trend
to start next week, but temperature will remain above normal.

&&

Key Points:
- Widespread Moderate HeatRisk is expected from Friday through
  Monday, with areas of Major HeatRisk Friday-Saturday
- Onshore flow will promote good overnight humidity recovery,
  minimizing fire weather concerns this weekend.
- A Heat Advisory is in effect from 11 am to 8 pm Saturday with
 Widespread Moderate HeatRisk and areas of Major HeatRisk in the
 Valley and foothills on Saturday; Highs in the triple digits.

Short-Term Discussion (Today THROUGH Sunday)...
Clear skies with a few passing mid- to high level clouds are
being observed across Northern California this afternoon via GOES-
West Visible Imagery. An upper level trough will start to break
down as we transition to a ridging pattern by Friday. As a result,
a warming trend will continue today, peaking on Saturday with
widespread Moderate HeatRisk expected Friday through Monday, with
areas of Major HeatRisk Friday and Saturday mainly over the Sierra
foothills & northern Sacramento Valley. The National Blend of
Models (NBM) is indicating a 80-100% chance of temperatures
greater than 100 degrees F throughout most of the Valley on
Saturday. While daytime relative humidities will be in the teens
and 20s, weak onshore flow will allow overnight relative
humidities ranging from 50-80 percent with the highest percentages
in the Vicinity Delta. This onshore flow pattern will minimize
significant fire weather concerns during this upcoming period of
elevated high temperatures and keep high temperatures cooler
around the Delta on Saturday.

By Sunday, a trough is expected to move through the Pacific
Northwest resulting in increased southwesterly flow. This will
translate into a more robust Delta breeze on Sunday with gusts
15-25 mph through the Valley. Slightly cooler temperatures will
follow, but Moderate HeatRisk is expected to continue across most
of the Valley and foothills through Monday.

&&

.EXTENDED DISCUSSION (Monday THROUGH Thursday)...
Moderate HeatRisk continues Monday with slightly cooler
temperatures. Clusters and ensembles depict an upper-level high
pressure that extends over Northern California Monday through
Tuesday which will continue elevated, above-normal high
temperatures throughout the Valley. The National Blend of Models
(NBM) is indicating 25-65% chance of high temperatures greater
than 100 degrees on Wednesday, with the highest probabilities
(greater than 50%) in the northern Sacramento Valley. Onshore flow
continues through the extended period as a weak trough moves
begins to influence the area on Thursday which will work to keep
temperatures around the Delta and Sacramento Metro Area a few
degrees cooler.

&&

.AVIATION...
VFR conditions continue over interior NorCal over the next 24
hours. Surface wind will be mainly below 12 kts except vicinity of
Delta, with southwesterly surface wind gusts to 25 kts. Low
marine stratus clouds will be limited to the far western Delta
08z-14z.

&&

.STO WATCHES/WARNINGS/ADVISORIES...
Heat Advisory from 11 AM to 8 PM PDT Saturday for Central
Sacramento Valley-Motherlode-Mountains Southwestern Shasta
County to Western Colusa County-Northern Sacramento Valley-
Northern San Joaquin Valley-Southern Sacramento Valley.

&&

$$
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather

Hazardous Weather Outlook



No Hazardous Weather Is Expected At This Time



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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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