National Weather Service United States Department of Commerce

A Moderate Risk of Severe Thunderstorms is Forecast This Evening and Tonight

Damaging winds and large hail are likely from North Dakota into western and northern Minnesota this evening into tonight. Some wind gusts could be particularly damaging. Storms are also possible over the Texas panhandle and the Carolinas.
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Current Conditions

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4 Miles S Portola Valley CA

7 Day Forecast

Overnight

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 59 °F

Tuesday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 73 °F

Tuesday
Night

Patchy Fog

Patchy
Fog

Low: 56 °F

Wednesday

Patchy Fog

Patchy
Fog

High: 73 °F

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: 57 °F

Thursday

Sunny

Sunny

High: 79 °F

Thursday
Night

Clear

Clear

Low: 59 °F

Friday

Sunny

Sunny

High: 80 °F

Friday
Night

Clear

Clear

Low: 60 °F

Detailed Forecast

  • Overnight Isolated showers and thunderstorms. Cloudy, with a low around 59. South southwest wind around 5 mph. Chance of precipitation is 20%.
  • Tuesday Isolated showers and thunderstorms before 8am. Cloudy through mid morning, then gradual clearing, with a high near 73. Light south southwest wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 20%.
  • Tuesday Night Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56. West wind 5 to 11 mph.
  • Wednesday Patchy fog before 11am. Otherwise, sunny, with a high near 73. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
  • Wednesday Night Mostly clear, with a low around 57. West wind 5 to 10 mph.
  • Thursday Sunny, with a high near 79.
  • Thursday Night Clear, with a low around 59.
  • Friday Sunny, with a high near 80.
  • Friday Night Clear, with a low around 60.
  • Saturday Sunny, with a high near 80.
  • Saturday Night Clear, with a low around 60.
  • Sunday Sunny, with a high near 80.
  • Sunday Night Clear, with a low around 60.
  • Monday Sunny, with a high near 82.