National Weather Service United States Department of Commerce

Heavy rain possible for the northern Rockies & Plains; severe storms for the Northern Plains

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, with locally heavy rainfall, to the northern Rockies and northern Plains. Isolated flash floods will be possible in these areas. Some storms could become severe in parts of the Dakotas into Minnesota, with large hail and damaging winds. In addition, temperatures will be 10 to 20 degrees below average.
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Current Conditions

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San Bruno CA

7 Day Forecast

This
Afternoon

Sunny

Sunny

High: 22 °C

Tonight

Patchy Fog

Patchy
Fog

Low: 15 °C

Sunday

Patchy Fog

Patchy
Fog

High: 22 °C

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 15 °C

Monday

Mostly Sunny

Mostly
Sunny

High: 22 °C

Monday
Night

Breezy

Breezy

Low: 15 °C

Tuesday

Mostly Sunny

Mostly
Sunny

High: 24 °C

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 15 °C

Wednesday

Mostly Sunny

Mostly
Sunny

High: 25 °C

Detailed Forecast

  • This Afternoon Sunny, with a high near 22. West southwest wind 8 to 18 km/h increasing to 22 to 32 km/h. Winds could gust as high as 39 km/h.
  • Tonight Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 15. South southwest wind 5 to 11 km/h.
  • Sunday Patchy fog before 11am. Otherwise, mostly sunny, with a high near 22. West southwest wind 5 to 15 km/h increasing to 16 to 26 km/h in the morning. Winds could gust as high as 34 km/h.
  • Sunday Night Partly cloudy, with a low around 15. South southwest wind 10 to 13 km/h.
  • Monday Mostly sunny, with a high near 22. West southwest wind 16 to 21 km/h increasing to 29 to 34 km/h in the morning. Winds could gust as high as 40 km/h.
  • Monday Night Partly cloudy, with a low around 15. Breezy.
  • Tuesday Mostly sunny, with a high near 24.
  • Tuesday Night Partly cloudy, with a low around 15.
  • Wednesday Mostly sunny, with a high near 25.
  • Wednesday Night Partly cloudy, with a low around 15.
  • Thursday Mostly sunny, with a high near 25.
  • Thursday Night Partly cloudy, with a low around 16.
  • Friday Mostly sunny, with a high near 23.