National Weather Service Forecast for: Helena CA
Issued by: National Weather Service Eureka, CA
Updated: 1:50 pm PDT May 26, 2026
 
This
Afternoon
This Afternoon: A 40 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 61. West wind around 14 mph, with gusts as high as 24 mph.
Chance
Showers
 Tonight

Tonight: A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 44. West southwest wind 10 to 13 mph, with gusts as high as 25 mph.
Slight Chance
Showers then
Mostly Cloudy
 Wednesday

Wednesday: Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 70. West southwest wind 5 to 13 mph becoming south southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Low around 49. Light east wind. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers then
Chance
Showers
 Thursday

Thursday: Showers and possibly a thunderstorm after 11am. Patchy fog before 11am. High near 70. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers and
Patchy Fog
 Thursday
Night
Thursday Night: Showers and possibly a thunderstorm. Low around 50. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers then
Chance
Showers
 Friday

Friday: A slight chance of showers, with thunderstorms also possible after 11am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 71. Chance of precipitation is 20%.
Slight Chance
T-storms and
Patchy Fog
 Friday
Night
Friday Night: Partly cloudy, with a low around 48.
Partly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 73.
Mostly Sunny
Hi 61 °F Lo 44 °F Hi 70 °F Lo 49 °F Hi 70 °F Lo 50 °F Hi 71 °F Lo 48 °F Hi 73 °F

 

This Afternoon
 
 A 40 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 61. West wind around 14 mph, with gusts as high as 24 mph.
Tonight
 
 A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 44. West southwest wind 10 to 13 mph, with gusts as high as 25 mph.
Wednesday
 
 Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 70. West southwest wind 5 to 13 mph becoming south southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 Showers and possibly a thunderstorm. Low around 49. Light east wind. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 Showers and possibly a thunderstorm after 11am. Patchy fog before 11am. High near 70. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 Showers and possibly a thunderstorm. Low around 50. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
 A slight chance of showers, with thunderstorms also possible after 11am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 71. Chance of precipitation is 20%.
Friday Night
 
 Partly cloudy, with a low around 48.
Saturday
 
 Mostly sunny, with a high near 73.
Saturday Night
 
 Mostly clear, with a low around 45.
Sunday
 
 Sunny, with a high near 80.
Sunday Night
 
 Clear, with a low around 50.
Monday
 
 Sunny, with a high near 87.

 

Forecast from NOAA-NWS for Helena CA.