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Deer Park, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for 3 Miles N Saint Helena CA
National Weather Service Forecast for:
3 Miles N Saint Helena CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
| Updated: 6:51 am PST Nov 23, 2024 |
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Today
Slight Chance
Showers
|
Tonight
Partly Cloudy
then Showers
Likely
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Sunday
Rain
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Sunday
Night
Rain and
Patchy Fog
|
Monday
Rain and
Patchy Fog
|
Monday
Night
Rain and
Patchy Fog
|
Tuesday
Rain Likely
and Patchy
Fog
|
Tuesday
Night
Chance Rain
and Patchy
Fog
|
Wednesday
Slight Chance
Rain and
Patchy Fog
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| Hi 56 °F |
Lo 40 °F |
Hi 54 °F |
Lo 46 °F |
Hi 54 °F |
Lo 46 °F |
Hi 55 °F |
Lo 40 °F |
Hi 57 °F |
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Today
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A slight chance of showers before 3pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 56. West southwest wind 6 to 9 mph. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible. |
Tonight
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A slight chance of showers before 7pm, then showers likely after 4am. Mostly cloudy, with a low around 40. Northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible. |
Sunday
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Showers likely before 10am, then rain after 10am. High near 54. South southeast wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible. |
Sunday Night
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Rain. Patchy fog after midnight. Low around 46. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible. |
Monday
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Rain. Patchy fog between 10am and 2pm. High near 54. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible. |
Monday Night
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Rain. Patchy fog after 1am. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible. |
Tuesday
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Rain likely. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 55. Chance of precipitation is 70%. |
Tuesday Night
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A chance of rain. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 40. |
Wednesday
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A slight chance of rain before 4pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 57. |
Wednesday Night
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A slight chance of rain after 10pm. Partly cloudy, with a low around 37. |
Thanksgiving Day
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Patchy fog. Otherwise, mostly sunny, with a high near 56. |
Thursday Night
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Partly cloudy, with a low around 39. |
Friday
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A slight chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 58. |
Forecast from NOAA-NWS
for 3 Miles N Saint Helena CA.
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Weather Forecast Discussion
109
FXUS66 KMTR 231201
AFDMTR
Area Forecast Discussion
National Weather Service San Francisco CA
401 AM PST Sat Nov 23 2024
...New AVIATION...
.SYNOPSIS...
Issued at 352 AM PST Sat Nov 23 2024
Wet weather continues through mid next week, with post frontal
showers forecast across the region today. After many days of wet
weather, drier weather may try to make an appearance mid to late
next week.
&&
.SHORT TERM...
(Today and tonight)
Issued at 352 AM PST Sat Nov 23 2024
We are moving into a post frontal environment today, which means
showers are forecast to linger across the region. The good news is
that we were able to cancel the following products: the Wind
Advisory, the Flood Watch for the North Bay, the Flood Warning for
south central Sonoma County, and finally the Marin, Sonoma, and Napa
Flood Advisory. Flood Warnings remain in place for central Sonoma
County and on the Russian River at Johnsons Beach at Guerneville. If
traveling in the North Bay today, be on the look out for lingering
flooding and heed any road closure notifications.
In terms of highs, most areas will generally be in the upper 50s to
low 60s, though higher elevations range from the mid 40s to mid 50s.
New rainfall amounts, should a shower pass over should around or
below 0.25". Tonight, chilly temperatures in the 40s will be
realized for much of the region with higher elevations falling into
the mid to upper 30s.
&&
.LONG TERM...
(Sunday through Friday)
Issued at 352 AM PST Sat Nov 23 2024
Cluster analysis shows an upper level low working its way to and
across the PacNW through the early portion of the work week.
Scattered showers are forecast from Sunday through Wednesday, with
models varying some on timing and placement of these batches of
rain. Total rainfall amounts for this period generally remain the
same, around 0.5 inches to 2.0 inches for the Bay Area, 1.0 to 2.0
inches for Central Coast, and 2.0 to 3.0 inches for the Santa
Lucias. Cluster analysis continues to both ridging over the eastern
Pacific and some troughing as well. Current thinking is there should
be at least brief period of dry weather late Wednesday into Friday;
however, confidence remains a bit low on that due to the differences
in the clusters and models. Looking beyond in the 6-10 day outlook
from the CPC, we look to be near normal temperatures and have below
normal chances for precipitation.
&&
.AVIATION...
(12Z TAFS)
Issued at 400 AM PST Sat Nov 23 2024
Conditions continue to improve at all terminals this morning in a
post-frontal regime. Generally speaking cigs range from 2-4k feet
with pockets of clear. KMUX radar also shows some lingering
showers. These showers will be handled mostly by VCSH or not in
TAF due to very low confidence. Tonight will feature a very
moisture low level boundary layer. Some prob guidance shows patchy
fog. At this point will only include fog for KSTS, but will need
to watch for others.
Vicinity of SFO...VFR with SW flow light to moderate. Hi-res
guidance does show a low chance for afternoon showers passing
through, but conf is too low for inclusion in TAF. Winds will
switch to light SE overnight.
SFO Bridge Approach...Similar to SFO.
Monterey Bay Terminals...VFR with a few passing showers with in 10
miles of terminals.
&&
.MARINE...
Issued at 352 AM PST Sat Nov 23 2024
West to northwest winds will continue to decrease across the
coastal waters on Saturday as the Friday storm exits the region.
Wave heights will also continue to decrease a well. Seas and
winds rebuild late tonight into early next week as another storm
approaches the region. Winds will initially be strongest north of
Point Reyes.
&&
.CLIMATE...
Issued at 352 AM PST Sat Nov 23 2024
After an active Friday, preliminary data for the Bay Area and North
Central Coast shows numerous locations breaking rainfall records.
Please note that not all stations listed below are listed as
official climate stations due to period of record. This data is also
considered preliminary and if you`re looking for official and
certified day it can be found at www.ncei.noaa.gov.
Santa Rosa AP: 1.96", previous record of 1.22" in 2018
San Rafael: 3.57", previous record of 3.51" in 1977
San Francisco AP: 2.55", previous record of 0.54" in 1978
San Francisco DT: 2.97", previous record of 1.12" in 1865
Oakland Museum: 2.46", previous record of 0.92" in 2018
Livermore: 0.67", previous record of 0.48" in 1978
Redwood City: 1.48", previous record of 0.68" in 1977
San Jose AP: 0.72", previous record of 0.67" in 1946
Salinas AP: 0.61", previous record of 0.57" in 1965
&&
.MTR WATCHES/WARNINGS/ADVISORIES...
CA...None.
PZ...Small Craft Advisory from 3 AM to 3 PM PST Sunday for Pt Arena
to Pt Reyes 0-10 nm-Pt Arena to Pt Reyes 10-60 NM.
&&
$$
SHORT TERM...KR
LONG TERM....KR
AVIATION...MM
MARINE...MM
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