National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. on Saturday

Another Pacific system will impact the West Coast today. Heavy rainfall could lead to flash flooding, river and small stream flooding as well as mudslides and debris flows, especially over burn scars. Strong winds and heavy elevation snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Current Conditions

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Saint Helena CA

7 Day Forecast

This
Afternoon

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 58 °F

Tonight

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 51 °F

Sunday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 64 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 49 °F

Monday

Sunny

Sunny

High: 67 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 49 °F

Tuesday

Sunny

Sunny

High: 65 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 47 °F

Wednesday

Chance Rain

Chance
Rain

High: 62 °F

Detailed Forecast

  • This Afternoon A 30 percent chance of showers, mainly before 4pm. Mostly cloudy, with a high near 58. Southeast wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
  • Tonight A 30 percent chance of showers, mainly between 10pm and 4am. Mostly cloudy, with a low around 51. East wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
  • Sunday A 20 percent chance of showers before 10am. Partly sunny, with a high near 64. Light and variable wind.
  • Sunday Night Partly cloudy, with a low around 49. Northwest wind around 5 mph becoming calm in the evening.
  • Monday Sunny, with a high near 67. Light and variable wind becoming north 5 to 8 mph in the morning.
  • Monday Night Partly cloudy, with a low around 49.
  • Tuesday Sunny, with a high near 65.
  • Tuesday Night Partly cloudy, with a low around 47.
  • Wednesday A chance of rain. Mostly sunny, with a high near 62.
  • Wednesday Night A slight chance of rain. Mostly cloudy, with a low around 44.
  • Christmas Day A slight chance of rain. Mostly sunny, with a high near 60.
  • Thursday Night Partly cloudy, with a low around 41.
  • Friday Mostly sunny, with a high near 58.