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Penn Valley, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Penn Valley CA
National Weather Service Forecast for: Penn Valley CA
Issued by: National Weather Service Sacramento, CA
Updated: 9:51 pm PDT Apr 25, 2025
 
Tonight

Tonight: A 40 percent chance of showers, mainly after 3am. Mostly cloudy, with a low around 44. Calm wind.
Mostly Cloudy
then Chance
Showers
 Saturday

Saturday: Showers likely, mainly after 11am. Mostly cloudy, with a high near 54. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely
 Saturday
Night
Saturday Night: Showers. Low around 46. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers

 Sunday

Sunday: A 40 percent chance of showers before 11am. Partly sunny, with a high near 58. Calm wind becoming south around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers then
Partly Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 43. Light and variable wind.
Mostly Clear

 Monday

Monday: Sunny, with a high near 71.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 51.
Mostly Clear

 Tuesday

Tuesday: Mostly sunny, with a high near 74.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 54.
Mostly Clear
Lo 44 °F Hi 54 °F Lo 46 °F Hi 58 °F Lo 43 °F Hi 71 °F Lo 51 °F Hi 74 °F Lo 54 °F

 

Tonight
 
 A 40 percent chance of showers, mainly after 3am. Mostly cloudy, with a low around 44. Calm wind.
Saturday
 
 Showers likely, mainly after 11am. Mostly cloudy, with a high near 54. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
 
 Showers. Low around 46. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
 
 A 40 percent chance of showers before 11am. Partly sunny, with a high near 58. Calm wind becoming south around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
 
 Mostly clear, with a low around 43. Light and variable wind.
Monday
 
 Sunny, with a high near 71.
Monday Night
 
 Mostly clear, with a low around 51.
Tuesday
 
 Mostly sunny, with a high near 74.
Tuesday Night
 
 Mostly clear, with a low around 54.
Wednesday
 
 Sunny, with a high near 79.
Wednesday Night
 
 Clear, with a low around 56.
Thursday
 
 Sunny, with a high near 80.
Thursday Night
 
 Clear, with a low around 56.
Friday
 
 Sunny, with a high near 77.

 

Forecast from NOAA-NWS for Penn Valley CA.

Weather Forecast Discussion 
119
FXUS66 KSTO 252006
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
106 PM PDT Fri Apr 25 2025

For additional details on weather and expected impacts over the
next 7 days, please visit weather.gov/sto/briefing.


.Discussion...

.Synopsis...
A cool, cloudy, breezy and sometimes wet weekend setting up
over the area. Biggest impact from the system will be snowfall
above 6000 feet in the Sierra later tonight into early Sunday.
Conditions dry out starting later on Sunday through early next
week before a weak system moves across the area Wednesday with
light precipitation and another weaker system next weekend.

&&

.Key Messages...

* Saturday and Sunday:

-Cool with breezy to gusty onshore winds

-Widespread showers (most precipitatoin below 0.15" and
     thunderstorms (10-20%) this evening and continuing through
     Sunday.

-Snow expected above 6000 feet late Friday through early Sunday
-60-75% probability of 4 inches or more of snowfall above 6000 feet
   along Sierra/southern Cascades, 30-50% of 6 inches or more.

* Monday-Wednesday:

-Warming trend begins along with drier weather
-Slight chance of light showers mountains Wednesday

.Changes from previous forecast...

* No changes

&&
.AVIATION...

Mostly VFR conditions across interior NorCal next 24 hours, with
some periods of MVFR/IFR in rain showers and isolated
thunderstorms after 21z Saturday. South to west winds up to 12 to
14 kt, with gusts up to around 20 kts for TAF sites through 06z
Saturday, then south to west winds generally below 12 kts.
&&

.STO WATCHES/WARNINGS/ADVISORIES...
Winter Weather Advisory from 5 PM this afternoon to 11 AM PDT
Sunday for West Slope Northern Sierra Nevada-Western Plumas
County/Lassen Park.

&&

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






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