National Weather Service Forecast for: Mount Shasta CA
Issued by: National Weather Service Medford, OR
Updated: 4:11 am PST Dec 22, 2025
 
Today

Today: A 40 percent chance of rain, mainly before 2pm.  Snow level 4600 feet rising to 5400 feet in the afternoon. Partly sunny, with a high near 47. Southeast wind 6 to 10 mph.
Chance Rain

Tonight

Tonight: Rain before 4am, then rain, possibly mixed with snow.  Snow level 5300 feet. Low around 33. East southeast wind 3 to 6 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.
Chance Rain
then
Rain/Snow
Tuesday

Tuesday: Rain, possibly mixed with snow.  Snow level 4700 feet rising to 5500 feet in the afternoon. High near 43. Light south southeast wind.  Chance of precipitation is 100%. Little or no snow accumulation expected.
Rain/Snow

Tuesday
Night
Tuesday Night: Rain. The rain could be heavy at times.  Low around 34. South southeast wind 6 to 8 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Heavy Rain

Wednesday

Wednesday: Rain.  Snow level 5300 feet lowering to 4600 feet. High near 44. South wind around 6 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Rain

Wednesday
Night
Wednesday Night: Rain before 4am, then showers and possibly a thunderstorm after 4am.  Snow level 4900 feet. Low around 32. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Showers

Christmas
Day
Christmas Day: Showers and possibly a thunderstorm before 10am, then rain after 10am.  Snow level 4700 feet. High near 40. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Showers

Thursday
Night
Thursday Night: Rain, possibly mixed with snow.  Snow level 4000 feet. Cloudy, with a low around 29.
Rain/Snow

Friday

Friday: Rain and snow likely, mainly before 4pm.  Snow level 3700 feet. Mostly cloudy, with a high near 40.
Rain/Snow
Likely
Hi 47 °F Lo 33 °F Hi 43 °F Lo 34 °F Hi 44 °F Lo 32 °F Hi 40 °F Lo 29 °F Hi 40 °F

Winter Storm Watch
 

Today
 
A 40 percent chance of rain, mainly before 2pm. Snow level 4600 feet rising to 5400 feet in the afternoon. Partly sunny, with a high near 47. Southeast wind 6 to 10 mph.
Tonight
 
Rain before 4am, then rain, possibly mixed with snow. Snow level 5300 feet. Low around 33. East southeast wind 3 to 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday
 
Rain, possibly mixed with snow. Snow level 4700 feet rising to 5500 feet in the afternoon. High near 43. Light south southeast wind. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
 
Rain. The rain could be heavy at times. Low around 34. South southeast wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
 
Rain. Snow level 5300 feet lowering to 4600 feet. High near 44. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
 
Rain before 4am, then showers and possibly a thunderstorm after 4am. Snow level 4900 feet. Low around 32. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Christmas Day
 
Showers and possibly a thunderstorm before 10am, then rain after 10am. Snow level 4700 feet. High near 40. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday Night
 
Rain, possibly mixed with snow. Snow level 4000 feet. Cloudy, with a low around 29.
Friday
 
Rain and snow likely, mainly before 4pm. Snow level 3700 feet. Mostly cloudy, with a high near 40.
Friday Night
 
A chance of rain and snow before 10pm, then a slight chance of snow. Mostly cloudy, with a low around 22.
Saturday
 
Mostly sunny, with a high near 42.
Saturday Night
 
Mostly cloudy, with a low around 24.
Sunday
 
Partly sunny, with a high near 46.

 

Forecast from NOAA-NWS for Mount Shasta CA.