Alta Sierra, CA Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Chance Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Alta Sierra, CA in one place.
A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 5am. Mostly cloudy, with a low around 38. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Alta Sierra, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 11:10 AM PDT.
The active forecast window currently covers Apr 10 to Apr 15, 2026 for Alta Sierra, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 10 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 11:10 AM PDT
- Forecast office
- HNX
- Source
- NOAA / NWS
Daily Outlook
This Week in Alta Sierra
Wednesday looks like the warmest upcoming period in Alta Sierra at 51 degrees F.
Monday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Friday Night at about 5 to 15 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 11:10 AM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- HNX
- Radar station
- KEYX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain after 11am. Partly sunny, with a high near 45. West southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then rain and snow. Mostly cloudy, with a low around 32. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Snow likely before 11am, then snow showers likely and a slight chance of thunderstorms. Mostly cloudy, with a high near 35. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
A chance of snow showers and a slight chance of thunderstorms before 11pm, then a slight chance of snow between 11pm and 5am. Mostly cloudy, with a low around 31. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New snow accumulation of 1 to 3 inches possible.
A slight chance of snow showers and a slight chance of thunderstorms between 11am and 5pm. Partly sunny, with a high near 35. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 30. West northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Sunny, with a high near 45. West wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 36. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly sunny, with a high near 51. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 41. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday Night
Apr 10
|
Chance Showers And Thunderstorms then Chance Light Rain
|
38°F |
5 to 15 mph
W
|
|
Saturday
Apr 10
|
Chance Light Rain
|
45°F |
5 to 15 mph
WSW
|
|
Saturday Night
Apr 11
|
Rain And Snow
|
32°F |
15 mph
W
|
|
Sunday
Apr 11
|
Light Snow Likely then Snow Showers Likely
|
35°F |
15 mph
W
|
|
Sunday Night
Apr 12
|
Chance Snow Showers then Slight Chance Light Snow
|
31°F |
10 to 15 mph
W
|
|
Monday
Apr 12
|
Slight Chance Snow Showers
|
35°F |
10 to 15 mph
W
|
|
Monday Night
Apr 13
|
Partly Cloudy
|
30°F |
5 to 15 mph
WNW
|
|
Tuesday
Apr 13
|
Sunny
|
45°F |
5 to 15 mph
W
|
|
Tuesday Night
Apr 14
|
Mostly Clear
|
36°F |
5 to 15 mph
NW
|
|
Wednesday
Apr 14
|
Mostly Sunny
|
51°F |
5 to 15 mph
SW
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
41°F |
5 to 15 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Alta Sierra.