Clipper Mills, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for 20 Miles NE Loma Rica CA
National Weather Service Forecast for:
20 Miles NE Loma Rica CA
Issued by: National Weather Service Sacramento, CA |
Updated: 10:21 pm PDT Jul 24, 2025 |
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Tonight
 Slight Chance Showers
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Friday
 Slight Chance Showers then Slight Chance T-storms
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Friday Night
 Mostly Clear
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Saturday
 Sunny
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Saturday Night
 Mostly Clear
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Sunday
 Sunny
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Sunday Night
 Mostly Clear
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Monday
 Sunny
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Monday Night
 Mostly Clear
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Lo 61 °F |
Hi 74 °F |
Lo 60 °F |
Hi 73 °F |
Lo 60 °F |
Hi 76 °F |
Lo 63 °F |
Hi 80 °F |
Lo 65 °F |
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Tonight
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A 20 percent chance of showers before 5am. Partly cloudy, with a low around 61. Calm wind. |
Friday
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A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 74. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 20%. |
Friday Night
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Mostly clear, with a low around 60. Light and variable wind. |
Saturday
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Sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon. |
Saturday Night
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Mostly clear, with a low around 60. Light and variable wind. |
Sunday
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Sunny, with a high near 76. |
Sunday Night
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Mostly clear, with a low around 63. |
Monday
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Sunny, with a high near 80. |
Monday Night
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Mostly clear, with a low around 65. |
Tuesday
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Sunny, with a high near 81. |
Tuesday Night
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Mostly clear, with a low around 65. |
Wednesday
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Sunny, with a high near 81. |
Wednesday Night
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Mostly clear, with a low around 64. |
Thursday
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Sunny, with a high near 80. |
Forecast from NOAA-NWS
for 20 Miles NE Loma Rica CA.
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Weather Forecast Discussion
872
FXUS66 KSTO 242048
AFDSTO
Area Forecast Discussion
National Weather Service Sacramento CA
148 PM PDT Thu Jul 24 2025
.DISCUSSION...
.SYNOPSIS...
Below-normal temperatures and breezy onshore winds. Chances for
afternoon and evening mountain thunderstorms today through the
weekend, with chances for isolated showers over the Valley and
Sierra foothills through Friday.
&&
.KEY MESSAGES...
* Today-Friday:
- Afternoon highs in the 80s and low 90s throughout the Valley
as below normal highs continue this week.
- Onshore winds will be breezy to gusty through the Delta and
into the Valley.
Thunderstorms:
- Chances (15-30%) for isolated to scattered mountain showers
and thunderstorms during the afternoon and evening hours.
- As an offshore low pressure system moves inland today, storms
that develop over the mountains will generally move to the northwest,
with the majority of thunderstorm activity occurring outside
of interior Northern California today.
- There is increasing confidence that a few stray showers will
develop over the Sierra foothills and portions of the
Sacramento Valley during the overnight hours tonight into
Friday morning.
- On Friday, as the low moves further south, storm motion over
the mountains will be largely southeasterly over the Coastal
Range, allowing for a 15-20% chance of isolated thunderstorms
in the northern Sacramento Valley. Storm motion over the Sierra
will be largely northeast/westerly, but individual storms will
be subject to terrain influences.
- The majority of thunderstorms will be wet, with the potential
for isolated dry lightning.
- Elevated fire weather conditions are expected in the mountains
through Friday and into the weekend due to the lightning
threat.
- Any strikes outside the main precipitation core will pose the
threat for fire starts.
* Saturday-Sunday:
- Chances (15-20%) for isolated to scattered mountain showers and
thunderstorms continue on Saturday and Sunday remaining largely
confined to the Sierra, with the highest potential on
Saturday.
- Storms are expected to form along the Sierra crest and move
northeastward on Saturday, resulting in most of the activity
occurring outside of interior Northern California.
- Thunderstorm chances decrease on Sunday over the Sierra to
10-15%.
- Temperatures are expected to remain below-normal through the
weekend with a slight warming and drying trend beginning on
Sunday.
- Onshore winds will be breezy to gusty through the Delta and
Valley, especially during the late afternoon and evening
hours.
* Long Term:
- Cluster Analysis supports heights flattening out as riding over
the Pacific Northwest encroaches into Northern California early
next week.
- Temperatures will follow a warming trend Monday through
Wednesday, with weaker but still breezy onshore winds compared
to the weekend.
.Changes from previous forecast...
- Increased potential for isolated foothills/Valley showers
overnight Thursday into Friday.
- 10-20% chance of isolated showers and thunderstorms in the
northern Sacramento Valley on Friday.
&&
.AVIATION...
Mostly VFR conditions expected over the next 24 hours across
Interior NorCal. Isolated thunderstorms may cause MVFR/IFR
conditions along the Sierra Crest this afternoon and evening. There
is a slight chance for the storms to move over the Valley as
showers this evening and overnight, bringing potential for brief
periods of MVFR to portions of the Valley as well. For the
Valley, south to southwest surface winds generally less than 12
kts with gusts up to 15 to 20 kts through 03z Friday and again
after 22Z Friday. For the Delta vicinity, sustained winds 10 to 20
kts with gusts 20 to 30 kts at times. Non-zero chance (less than
10%) for a few low clouds around 1000-2000 ft from 12Z to 16Z
Friday in the Delta and adjacent Valley locations.
&&
.STO WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$
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