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Casa de Oro, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Spring Valley CA
National Weather Service Forecast for:
Spring Valley CA
Issued by: National Weather Service San Diego, CA |
| Updated: 2:12 am PST Feb 17, 2026 |
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Overnight
Showers
Likely
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Tuesday
Showers
Likely then
Slight Chance
Showers
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Tuesday
Night
Showers
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Wednesday
Showers then
Slight Chance
Showers
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Wednesday
Night
Chance
Showers
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Thursday
Chance
Showers
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Thursday
Night
Showers
Likely
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Friday
Slight Chance
Showers then
Mostly Sunny
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Friday
Night
Mostly Clear
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| Lo 51 °F |
Hi 60 °F |
Lo 51 °F |
Hi 57 °F |
Lo 48 °F |
Hi 57 °F |
Lo 47 °F |
Hi 60 °F |
Lo 40 °F |
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Wind Advisory
Overnight
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Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. West wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
Tuesday
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Showers likely and possibly a thunderstorm before 7am, then a slight chance of showers. Partly sunny, with a high near 60. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
Tuesday Night
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Showers, mainly after 10pm. Low around 51. Southwest wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible. |
Wednesday
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Showers, mainly before 10am. High near 57. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible. |
Wednesday Night
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A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 48. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible. |
Thursday
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A chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 40%. |
Thursday Night
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Showers likely, mainly before 4am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%. |
Friday
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A slight chance of showers before 10am. Mostly sunny, with a high near 60. |
Friday Night
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Mostly clear, with a low around 40. |
Saturday
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Mostly sunny, with a high near 66. |
Saturday Night
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Partly cloudy, with a low around 47. |
Sunday
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Mostly sunny, with a high near 71. |
Sunday Night
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Partly cloudy, with a low around 48. |
Monday
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Partly sunny, with a high near 74. |
Forecast from NOAA-NWS
for Spring Valley CA.
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Weather Forecast Discussion
508
FXUS66 KSGX 171221
AFDSGX
Area Forecast Discussion
National Weather Service San Diego CA
421 AM PST Tue Feb 17 2026
.SYNOPSIS...
Periods of rain, wind, and mountain snow are expected into
Thursday. Friday through Monday will be warmer and drier with
high temperatures warming to around 5 degrees above average on
Monday. Daily precipitation chances for Friday through Sunday will
decrease to 10 to 20 percent with chances increasing again early
next week.
&&
.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...
.SHORT TERM (Today through Thursday)...
Showers are expected to diminish into this morning with limited
coverage for this afternoon and early evening. The next round of
more widespread showers with heavier precipitation is expected for
late tonight into Wednesday morning. An additional round with
more widespread coverage, though with lesser amounts, is expected
for late Wednesday night into Thursday morning. Please refer to
the HYDROLOGY section below for more details.
Showers have continued overnight with some thunder as well since
late Monday evening. The next round of stronger south to southwest
winds will strengthen today and tonight and continue into
Wednesday. For the coast and valleys, the strongest winds are
expected for late this evening through early Wednesday and be
similar in strength to those on Monday. For the mountains and
deserts, peak gusts along and below the desert slopes of the
mountains are expected to be stronger than on Monday with the
stronger gusts to around 75 mph.
Wednesday is expected to be the coolest day this week with high
temperatures for the coast and valleys mostly in the 50s with high
temperatures in the lower deserts around 60. These high
temperatures are as much as 15 to 20 degrees below average for the
higher mountains.
&&
.LONG TERM (Friday through Monday)...
Daily precipitation chances will decrease to 10 to 20 percent for
Friday through Sunday, then begin to increase again for early next
week. High temperatures will warm each day for Friday through
Monday with high temperatures on Monday around 5 degrees above
average, ranging from the mid to upper 60s near the coast to the
lower to mid 70s for the valleys with the lower deserts around 80.
&&
.AVIATION...
171030Z...Coast and Valleys...SHRA and isolated TSRA will move
through the region through 15Z. Cigs down to 1500 feet MSL and vis 3-
5SM in +SHRA/+TSRA. Gusty winds up to 30 kts in vcnty of TSRA.
Isolated to SCT SHRA after 16Z. After 03Z, southwest winds increase
20-30 kts, cigs lower to 2000-3000 feet MSL and RA increases
overnight. Areas of +RA will bring cigs down to 900 feet MSL and vis
down to 1-2SM.
Mountains/Deserts...Cloud obscurations in the mountains and vis
reduced to 0-2SM as RA/SN move through the region through 16Z.
Southwest wind gusts of 20-30 kts with gusts up to 40 kts continue.
Gusts gradually increase after 02Z tonight into Wednesday, with
gusts 50-65+ kts expected for mountain peaks and desert mountain
slopes.
&&
.MARINE...
Thunderstorms over the waters this morning. Any thunderstorm can
produce lightning, small hail, gusty, erratic winds to 35 knots,
choppy, hazardous seas, and a waterspout. Thunderstorms diminish
after sunrise and winds will decrease. Gales will redevelop this
evening and continue through Wednesday, generating hazardous boating
conditions. Check the Gale Warning for details. After another lull,
strong winds will redevelop Thursday, likely producing hazardous
conditions once again. Conditions will improve Friday and Saturday.
&&
.BEACHES...
Thunderstorms with lightning will move ashore through 5 AM this
morning. Beach lightning is likely between Oceanside and Solana
Beach. Check the Beach Hazards Statement for details.
High surf of 4 to 9 feet is expected, with sets as high as 11 feet,
highest in San Diego County on Wednesday. Dangerous swimming and
surfing conditions and localized beach erosion can be expected. A
High Surf Advisory is in effect through Friday and contains more
details.
&&
.HYDROLOGY...
Scattered showers and isolated thunderstorms will continue through
sunrise, followed by diminishing showers for today into this
evening. The next round of more widespread showers with heavier
precipitation is expected for late tonight into Wednesday morning.
An additional round of more widespread showers is expected for
late Wednesday night into Thursday morning, though with lesser
totals than for previous rounds this week. Additional rainfall
and liquid-equivalent for early this morning into this evening
will range from less than 0.25 inch for coastal areas to 0.25 to
0.50 inch for the mountains with less than 0.10 inch for the
deserts.
For late tonight through Wednesday morning, precipitation
totals will range from 0.25 to 0.50 inch for coastal areas to 1
to 1.5 inches in the mountains, locally to around 2 inches. For
the deserts, 0.25 to 0.50 inches is expected for the Apple and
Lucerne Valleys with 0.10 to 0.25 inch for the lower deserts. For
late tonight into Wednesday morning, peak hourly rainfall rates of
0.50 to 0.75 inch are expected.
For Thursday night into Friday, additional rainfall and liquid-
equivalent above the snow level will range from 0.25 to 0.33 inch
near the coast to 0.75 to 1 inch for the mountains, locally
exceeding 1.25 inch.
The San Diego River at Fashion Valley crested Monday evening below
monitor stage. There could be a second crest this morning, this
one above monitor stage, as water from farther upstream flows
downstream and through Fashion Valley. An additional crest above
monitor stage is forecast for around noon on Wednesday. Crests
above monitor stage are sufficient to begin flooding of low-water
crossings in Mission Valley.
The snow level will remain around 5000 to 5500 feet today into
this evening, then fall to around 3500 to 4500 feet on Wednesday.
A snow level around 3500 to 4000 feet for Wednesday night will
rise to around 4500 to 5000 feet on Thursday.
Through Wednesday morning, additional snowfall of 6 to 12 inches
is expected from 5000 to 6000 feet, 12 to 18 inches from 6000 to
7000 feet, locally exceeding 24 inches above 8000 feet. The most
widespread and heaviest snowfall is expected for late tonight into
into early Wednesday.
&&
.SKYWARN...
Skywarn activation is not requested. However weather spotters are
encouraged to report significant weather conditions.
&&
.SGX WATCHES/WARNINGS/ADVISORIES...
CA...Beach Hazards Statement until 5 AM PST early this morning for
Orange County Coastal Areas-San Diego County Coastal Areas.
High Surf Advisory until 10 PM PST Friday for Orange County
Coastal Areas-San Diego County Coastal Areas.
Wind Advisory from 8 PM this evening to 8 AM PST Wednesday for
Orange County Coastal Areas-Orange County Inland Areas-San
Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Coastal Areas-San Diego County Valleys-
Santa Ana Mountains and Foothills.
Winter Storm Warning until noon PST Wednesday for Riverside
County Mountains-San Bernardino County Mountains.
Wind Advisory from 10 AM this morning to 4 PM PST Wednesday for
Apple and Lucerne Valleys-San Diego County Deserts-San
Diego County Mountains-San Gorgonio Pass near Banning.
PZ...Gale Warning until 7 AM PST this morning for Coastal Waters from
San Mateo Point to the Mexican Border and out to 10 nm-
Waters from San Mateo Point to the Mexican Border Extending
10 to 60 nm out including San Clemente Island.
Gale Warning from 8 PM this evening to 1 PM PST Wednesday for
Coastal Waters from San Mateo Point to the Mexican Border
and out to 10 nm-Waters from San Mateo Point to the Mexican
Border Extending 10 to 60 nm out including San Clemente
Island.
&&
$$
PUBLIC/HYDROLOGY...17
AVIATION/MARINE/BEACHES...MM
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