National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the West Coast through Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy 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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San Bruno CA

7 Day Forecast

Overnight

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

Low: 13 °C

Sunday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 17 °C

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 12 °C

Monday

Partly Sunny

Partly
Sunny

High: 17 °C

Monday
Night

Mostly Clear

Mostly
Clear

Low: 11 °C

Tuesday

Sunny

Sunny

High: 17 °C

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 11 °C

Wednesday

Mostly Sunny

Mostly
Sunny

High: 17 °C

Wednesday
Night

Slight Chance Rain

Slight Chc
Rain

Low: 11 °C

Detailed Forecast

  • Overnight A 20 percent chance of rain. Mostly cloudy, with a low around 13. South southwest wind around 11 km/h. New precipitation amounts between 1 and 2.5 mm possible.
  • Sunday A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 17. West wind 8 to 16 km/h.
  • Sunday Night Mostly cloudy, with a low around 12. West northwest wind 11 to 16 km/h.
  • Monday Partly sunny, with a high near 17. Northwest wind 8 to 10 km/h.
  • Monday Night Mostly clear, with a low around 11. Northwest wind 5 to 13 km/h.
  • Tuesday Sunny, with a high near 17.
  • Tuesday Night Partly cloudy, with a low around 11.
  • Wednesday Mostly sunny, with a high near 17.
  • Wednesday Night A slight chance of rain. Partly cloudy, with a low around 11.
  • Christmas Day Mostly sunny, with a high near 16.
  • Thursday Night Mostly clear, with a low around 8.
  • Friday Sunny, with a high near 16.
  • Friday Night Mostly clear, with a low around 9.
  • Saturday Sunny, with a high near 16.