National Weather Service Forecast for: Helena CA
Issued by: National Weather Service Eureka, CA
Updated: 3:09 pm PST Dec 22, 2025
 
Tonight

Tonight: Rain likely, mainly after 1am. Cloudy, with a low around 39. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Slight Chance
Rain then
Rain Likely
 Tuesday

Tuesday: Rain. High near 49. Light and variable wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Rain

 Tuesday
Night
Tuesday Night: Rain. Low around 41. Breezy, with a southeast wind 17 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Rain and
Breezy
 Wednesday

Wednesday: Rain. High near 48. Southeast wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

 Wednesday
Night
Wednesday Night: Rain. Low around 41. East southeast wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Rain

 Christmas
Day
Christmas Day: Rain. High near 45. South southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Rain

 Thursday
Night
Thursday Night: Rain. Low around 36. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Rain

 Friday

Friday: Rain, mainly before 4pm. Mostly cloudy, with a high near 44.
Rain

 Friday
Night
Friday Night: A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 30.
Chance Rain
Lo 39 °F Hi 49 °F Lo 41 °F Hi 48 °F Lo 41 °F Hi 45 °F Lo 36 °F Hi 44 °F Lo 30 °F

Flood Watch
Winter Storm Watch
Wind Advisory
 

Tonight
 
 Rain likely, mainly after 1am. Cloudy, with a low around 39. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
 
 Rain. High near 49. Light and variable wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
 
 Rain. Low around 41. Breezy, with a southeast wind 17 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
 
 Rain. High near 48. Southeast wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
 
 Rain. Low around 41. East southeast wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Christmas Day
 
 Rain. High near 45. South southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
 
 Rain. Low around 36. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
 
 Rain, mainly before 4pm. Mostly cloudy, with a high near 44.
Friday Night
 
 A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 30.
Saturday
 
 Mostly sunny, with a high near 47.
Saturday Night
 
 Partly cloudy, with a low around 31.
Sunday
 
 Partly sunny, with a high near 53.
Sunday Night
 
 Partly cloudy, with a low around 35.
Monday
 
 Sunny, with a high near 55.

 

Forecast from NOAA-NWS for Helena CA.