National Weather Service Forecast for: Donner Summit CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:21 am PST Dec 22, 2025
 
Today

Today: Showers. Areas of fog before 2pm, then areas of fog after 3pm. High near 38. Southwest wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Showers and
Areas Fog

 Tonight

Tonight: Rain showers likely before 10pm, then a chance of rain and snow showers. Widespread dense fog, mainly between 9pm and 1am. Otherwise, mostly cloudy, with a steady temperature around 34. South southwest wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Rain/Snow
Likely and
Dense Fog

 Tuesday

Tuesday: Rain and snow showers likely, mainly after 4pm. Partly sunny, 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.
Chance
Rain/Snow
then
Rain/Snow
Likely
 Tuesday
Night
Tuesday Night: Rain and snow showers before 1am, then rain showers between 1am and 4am, then rain and snow showers after 4am. The rain could be heavy at times. Patchy fog after 10pm. Low around 29. Breezy, with a south wind 18 to 24 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Rain/Snow and
Patchy Fog

 Wednesday

Wednesday: Rain and snow showers, becoming all snow after 7am. The snow could be heavy at times. Areas of fog before 9am. Areas of freezing fog between 9am and 11am. High near 36. South southwest wind 9 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Rain/Snow and
Areas
Freezing Fog
then Heavy
Snow
 Wednesday
Night
Wednesday Night: Snow showers. The snow could be heavy at times. Low around 28. Breezy. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Heavy Snow
and Breezy

 Christmas
Day
Christmas Day: Snow showers. 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 showers. The snow could be heavy at times. Cloudy, with a low around 25.
Heavy Snow


 Friday

Friday: Snow showers. The snow could be heavy at times. Cloudy, with a high near 32.
Heavy Snow
Hi 38 °F Lo 34 °F Hi 43 °F Lo 29 °F Hi 36 °F Lo 28 °F Hi 32 °F Lo 25 °F Hi 32 °F

Flood Watch
Winter Storm Watch
Flood Advisory
 

Today
 
 Showers. Areas of fog before 2pm, then areas of fog after 3pm. High near 38. Southwest wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tonight
 
 Rain showers likely before 10pm, then a chance of rain and snow showers. Widespread dense fog, mainly between 9pm and 1am. Otherwise, mostly cloudy, with a steady temperature around 34. South southwest wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
 
 Rain and snow showers likely, mainly after 4pm. Partly sunny, 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 showers before 1am, then rain showers between 1am and 4am, then rain and snow showers after 4am. The rain could be heavy at times. Patchy fog after 10pm. Low around 29. Breezy, with a south wind 18 to 24 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday
 
 Rain and snow showers, becoming all snow after 7am. The snow could be heavy at times. Areas of fog before 9am. Areas of freezing fog between 9am and 11am. High near 36. South southwest wind 9 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Wednesday Night
 
 Snow showers. The snow could be heavy at times. Low around 28. Breezy. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Christmas Day
 
 Snow showers. 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 showers. The snow could be heavy at times. Cloudy, with a low around 25.
Friday
 
 Snow showers. The snow could be heavy at times. Cloudy, with a high near 32.
Friday Night
 
 A chance of snow showers. The snow could be heavy at times. Mostly cloudy, with a low around 16.
Saturday
 
 A chance of snow showers. Mostly sunny, with a high near 35.
Saturday Night
 
 A slight chance of snow showers. Partly cloudy, with a low around 18.
Sunday
 
 Partly sunny, with a high near 40.

 

Forecast from NOAA-NWS for Donner Summit CA.