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South Lake Tahoe, California 7 Day Weather Forecast
Wx Discussion - Wx Hazards - Wx Special Statements
NWS Forecast for Diamond Springs CA
National Weather Service Forecast for: Diamond Springs CA
Issued by: National Weather Service Sacramento, CA
Updated: 10:22 pm PDT Aug 30, 2025
 
Overnight

Overnight: Clear, with a low around 68. Light east northeast wind.
Clear
Sunday

Sunday: Sunny and hot, with a high near 96. Calm wind becoming west around 6 mph in the afternoon.
Hot
Sunday
Night
Sunday Night: Clear, with a low around 69. West wind around 6 mph becoming calm  in the evening.
Clear
Labor
Day
Labor Day: Sunny and hot, with a high near 98. Light and variable wind becoming west southwest around 6 mph in the afternoon.
Hot
Monday
Night
Monday Night: Mostly clear, with a low around 70. West wind around 5 mph becoming calm  in the evening.
Mostly Clear
Tuesday

Tuesday: Mostly sunny, with a high near 94.
Mostly Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 66.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 93.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 66.
Mostly Clear
Lo 68 °F Hi 96 °F Lo 69 °F Hi 98 °F Lo 70 °F Hi 94 °F Lo 66 °F Hi 93 °F Lo 66 °F

 

Overnight
 
Clear, with a low around 68. Light east northeast wind.
Sunday
 
Sunny and hot, with a high near 96. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
 
Clear, with a low around 69. West wind around 6 mph becoming calm in the evening.
Labor Day
 
Sunny and hot, with a high near 98. Light and variable wind becoming west southwest around 6 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 70. West wind around 5 mph becoming calm in the evening.
Tuesday
 
Mostly sunny, with a high near 94.
Tuesday Night
 
Mostly clear, with a low around 66.
Wednesday
 
Sunny, with a high near 93.
Wednesday Night
 
Mostly clear, with a low around 66.
Thursday
 
Sunny, with a high near 93.
Thursday Night
 
Partly cloudy, with a low around 65.
Friday
 
Mostly sunny, with a high near 91.
Friday Night
 
Partly cloudy, with a low around 63.
Saturday
 
Mostly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Diamond Springs CA.

Weather Forecast Discussion
596
FXUS65 KREV 301917
AFDREV

Area Forecast Discussion
National Weather Service Reno NV
1217 PM PDT Sat Aug 30 2025

.KEY MESSAGES...

* There are low chances for showers and storms this afternoon in
  Mono and Mineral counties. Otherwise, temperatures start to
  increase this weekend.

* Areas of smoke and haze may locally impact visibility and air
  quality the next several days due to fires west of the crest and
  in northern Washoe County.

* Thunderstorm chances return for much of next week.

&&

.DISCUSSION...

As of this writing, some cumulus clouds are starting to bubble up
along the higher terrain of Mono, Mineral, and Alpine counties.
Model soundings show about 0.5 inches of PWAT today, providing
just enough moisture, combined with the instability from daytime
heating, to get some isolated showers and thunderstorms today
(10-15% chance). However, this will be localized to Mono and
Mineral counties, with some showers possibly creeping into the
south of the Tahoe Basin. Storm chances will be similar in
probability and areal coverage Sunday.

As the weekend progresses, a high pressure starts to build over
southern Utah and northern Arizona. As this strengthens, afternoon
high temperatures are expected to rise into the low to mid 90s for
valley locations and mid 80s for Sierra communities through early
next week. As of now, Monday looks to be the warmest day in the
next week.

A shortwave low pressure off the coast of California throws some
uncertainty into the forecast, starting Tuesday. The
aforementioned high pressure will continue to build over the Four
Corners, helping to shuttle in monsoonal moisture. However, we`re
not expecting nearly as much moisture as we had earlier this week;
models are putting us at around 0.5-0.7 inches of PWAT. Due to
the increase in moisture, we can expect widespread chances
(20-40%) for afternoon showers and thunderstorms Tuesday. However,
as that low pressure tracks inland, and possibly northward, it
becomes negatively tilted. Model soundings are showing inverted-V
profiles, which hints at the possibility for dry thunderstorms.
Additionally, any storms that do develop will be fast-moving, due
to the jet associated with the inverted trough. Thus, concerns for
fire weather increase. The wrench in this whole thought process,
though, is the increase in moisture from the high pressure.

TLDR, storm chances increase Tuesday across much of the area and,
as of now, will be more hybrid in nature. This will bring the risk
for localized heavy rainfall, small hail, and gusty outflow winds. Stay
tuned for more details as we get closer.

-Giralte

&&

.AVIATION...

* Smoke filtering in from the Garnet Fire may bring periods of
  visibility reduction at KMMH. The Buffalo Fire in northern
  Washoe County may also bring visibility reductions to portions
  of western NV. Any other restrictions to visibility will be
  primarily slantwise due to haze aloft.

* Drier conditions for the weekend, with a 10-15% chance for a
  stray storm to form in Mono/Mineral Counties, impacting KMMH.
  Storm chances expand once again next week.

-Giralte/McKellar

&&

.REV Watches/Warnings/Advisories...
NV...None.
CA...None.
&&

$$
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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

Public Information Statement [ If Any ]
Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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