National Weather Service United States Department of Commerce

A stalled frontal boundary and ample monsoonal moisture will lead to flash flood potential from the Great Basin to the Great Plains tonight and Tuesday

A stalled frontal boundary will set up along the southern and central Rockies for the next couple of days providing focus for showers and thunderstorms. In addition, ample monsoonal moisture will stream in across the southwest bringing enough moisture to introduce a flash flood threat from the Great Basin and Southwest eastward across the central and southern Rockies into the adjacent Plains.
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Current Conditions

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San Bruno CA

7 Day Forecast

Overnight

Slight Chance Sprinkles

Slight Chc
Sprinkles

Low: 16 °C

Tuesday

Slight Chance Sprinkles

Slight Chc
Sprinkles

High: 24 °C

Tuesday
Night

Patchy Fog

Patchy
Fog

Low: 16 °C

Wednesday

Patchy Fog

Patchy
Fog

High: 25 °C

Wednesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 15 °C

Thursday

Partly Sunny

Partly
Sunny

High: 24 °C

Thursday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 15 °C

Friday

Mostly Sunny

Mostly
Sunny

High: 24 °C

Friday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 15 °C

Detailed Forecast

  • Overnight A slight chance of sprinkles. Mostly cloudy, with a low around 16. West southwest wind 14 to 16 km/h.
  • Tuesday A slight chance of sprinkles. Partly sunny, with a high near 24. West wind 13 to 18 km/h.
  • Tuesday Night Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 16. Southwest wind 10 to 18 km/h.
  • Wednesday Patchy fog before 8am. Otherwise, sunny, with a high near 25. West southwest wind 10 to 14 km/h.
  • Wednesday Night Mostly cloudy, with a low around 15. West southwest wind 14 to 21 km/h.
  • Thursday Partly sunny, with a high near 24.
  • Thursday Night Mostly cloudy, with a low around 15.
  • Friday Mostly sunny, with a high near 24.
  • Friday Night Mostly cloudy, with a low around 15.
  • Saturday Mostly sunny, with a high near 23.
  • Saturday Night Mostly cloudy, with a low around 15.
  • Sunday Mostly sunny, with a high near 23.
  • Sunday Night Mostly cloudy, with a low around 15.
  • Monday Partly sunny, with a high near 23.