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Solana Beach, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Donner Summit CA
National Weather Service Forecast for:
Donner Summit CA
Issued by: National Weather Service Sacramento, CA |
| Updated: 2:01 pm PDT Apr 6, 2026 |
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This Afternoon
 Sunny
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Tonight
 Mostly Clear
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Tuesday
 Sunny
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Tuesday Night
 Partly Cloudy
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Wednesday
 Sunny
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Wednesday Night
 Slight Chance Rain then Partly Cloudy
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Thursday
 Chance Showers
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Thursday Night
 Showers Likely
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Friday
 Showers
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| Hi 59 °F |
Lo 33 °F |
Hi 59 °F |
Lo 34 °F |
Hi 58 °F |
Lo 34 °F |
Hi 53 °F |
Lo 33 °F |
Hi 49 °F |
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This Afternoon
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Sunny, with a high near 59. West southwest wind around 8 mph. |
Tonight
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Mostly clear, with a low around 33. West wind around 6 mph becoming calm in the evening. |
Tuesday
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Sunny, with a high near 59. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph. |
Tuesday Night
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Partly cloudy, with a low around 34. West southwest wind 5 to 8 mph becoming calm in the evening. |
Wednesday
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Sunny, with a high near 58. Light south wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. |
Wednesday Night
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A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 34. |
Thursday
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A chance of rain, mainly between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 53. Chance of precipitation is 50%. |
Thursday Night
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Showers likely and possibly a thunderstorm before 11pm, then rain likely after 11pm. Mostly cloudy, with a low around 33. |
Friday
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A chance of rain, then showers and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 49. |
Friday Night
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Rain before 11pm, then rain and snow likely. Some thunder is also possible. Mostly cloudy, with a low around 31. |
Saturday
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Rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 45. |
Saturday Night
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Rain and snow likely. Mostly cloudy, with a low around 28. |
Sunday
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A chance of snow. Partly sunny, with a high near 41. |
Forecast from NOAA-NWS
for Donner Summit CA.
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Weather Forecast Discussion
220
FXUS66 KSTO 061944
AFDSTO
Area Forecast Discussion
National Weather Service Sacramento CA
1244 PM PDT Mon Apr 6 2026
For additional details on weather and expected impacts over the
next 7 days, please visit weather.gov/sto/briefing.
.KEY MESSAGES...
- Dry and warm weather expected into early next week with Minor
HeatRisk.
- Cooler temperatures and active weather mid to late next week
with rain and thunderstorms expected.
&&
.DISCUSSION...
...Today through Wednesday...
Above normal temperatures and dry conditions are anticipated
across the region into Wednesday as ridging remains in place.
Daytime highs will be 5-15 degrees above normal, although
temperatures do trend cooler as we head into midweek. High
temperatures will be in the upper 70s to low 80s in the Valley
today with Widespread Minor HeatRisk in the Valley. Individuals
should practice heat safety and use caution and life jackets near
cold area waterways. Today and Tuesday afternoon and evening
depict some Delta Breeze influence with gusts up to 15-20 MPH that
should moderate the worst of our heat impacts.
...Wednesday to Late Week...
Ensembles depict a troughing pattern developing across the area
by mid to late week, bringing cooler temperatures and unsettled
weather conditions. Recent trends have delayed the pattern change
with now the burnt of impacts becoming more Thursday-Friday.
Highest chances for light precipitation appears to be over the
northern Sacramento Valley, upper foothills, and mountains, with
the latest NBM highlighting a 50-75% chance of precipitation
greater than 1 inch, highest over the Sierra. For the Valley and
lower foothills, chances for a half-inch or more are around
NBM probabilities indicate thunderstorms should be expected each
day from Wednesday to Saturday with 10-25% on Wednesday, 20-40%
on Thursday and Friday, 15-25% on Saturday. Primary threats will
be small to severe hail, lightning, heavy rain showers (w/
localized flooding potential over training thunderstorms), and
gusty winds. Stay tuned for updates as the forecast continues to
evolve and can better dial in specific thunderstorm impacts and
possibilities.
&&
.AVIATION...
VFR conditions are forecast to prevail over interior northern
California over the next 24 hours. Surface winds generally
at/below 12 kt in the Valley; locally speeds in the mountains.
&&
.STO WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$
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