National Weather Service Forecast for: Donner Summit CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:36 pm PST Dec 22, 2025
 
Tonight

Tonight: A chance of rain and snow, mainly before midnight. Mostly cloudy, with a steady temperature around 34. South southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Chance
Rain/Snow

 Tuesday

Tuesday: A chance of rain and snow before 4pm, then rain likely. Increasing clouds, with a high near 43. South southwest wind around 13 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Slight Chance
Rain/Snow
then
Rain/Snow
Likely
 Tuesday
Night
Tuesday Night: Rain and snow. The rain could be heavy at times. Low around 30. Breezy, with a south wind 20 to 26 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Rain/Snow and
Breezy

 Wednesday

Wednesday: Rain and snow, becoming all snow after 7am. The rain and snow could be heavy at times. High near 36. South southwest wind 16 to 21 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Rain/Snow
then Heavy
Snow

 Wednesday
Night
Wednesday Night: Snow. The snow could be heavy at times. Low around 28. Breezy, with a south wind 18 to 26 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Heavy Snow
and Breezy

 Christmas
Day
Christmas Day: Snow. The snow could be heavy at times. High near 32. Breezy. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.
Heavy Snow
and Breezy

 Thursday
Night
Thursday Night: Snow. The snow could be heavy at times. Low around 24. Breezy. Chance of precipitation is 100%. New snow accumulation of 13 to 19 inches possible.
Heavy Snow
and Breezy

 Friday

Friday: Snow. The snow could be heavy at times. Cloudy, with a high near 29.
Heavy Snow


 Friday
Night
Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 15.
Snow Likely
Lo 34 °F Hi 43 °F Lo 30 °F Hi 36 °F Lo 28 °F Hi 32 °F Lo 24 °F Hi 29 °F Lo 15 °F

Flood Watch
Winter Storm Warning
 

Tonight
 
 A chance of rain and snow, mainly before midnight. Mostly cloudy, with a steady temperature around 34. South southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
 
 A chance of rain and snow before 4pm, then rain likely. Increasing clouds, with a high near 43. South southwest wind around 13 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
 
 Rain and snow. The rain could be heavy at times. Low around 30. Breezy, with a south wind 20 to 26 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday
 
 Rain and snow, becoming all snow after 7am. The rain and snow could be heavy at times. High near 36. South southwest wind 16 to 21 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Wednesday Night
 
 Snow. The snow could be heavy at times. Low around 28. Breezy, with a south wind 18 to 26 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Christmas Day
 
 Snow. The snow could be heavy at times. High near 32. Breezy. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.
Thursday Night
 
 Snow. The snow could be heavy at times. Low around 24. Breezy. Chance of precipitation is 100%. New snow accumulation of 13 to 19 inches possible.
Friday
 
 Snow. The snow could be heavy at times. Cloudy, with a high near 29.
Friday Night
 
 Snow likely, mainly before 10pm. Mostly cloudy, with a low around 15.
Saturday
 
 A slight chance of snow before 10am. Mostly sunny, with a high near 32.
Saturday Night
 
 Partly cloudy, with a low around 14.
Sunday
 
 Mostly sunny, with a high near 37.
Sunday Night
 
 Partly cloudy, with a low around 19.
Monday
 
 Sunny, with a high near 42.

 

Forecast from NOAA-NWS for Donner Summit CA.