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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3 Miles NNE San Ramon CA

7 Day Forecast

Today

Mostly Cloudy

Mostly
Cloudy

High: 61 °F

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: 50 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 63 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 48 °F

Tuesday

Sunny

Sunny

High: 63 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 47 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 62 °F

Wednesday
Night

Slight Chance Rain

Slight Chc
Rain

Low: 46 °F

Christmas
Day

Mostly Sunny

Mostly
Sunny

High: 58 °F

Detailed Forecast

  • Today Mostly cloudy, with a high near 61. Light west southwest wind becoming west 5 to 10 mph in the morning.
  • Tonight Mostly cloudy, with a low around 50. Northwest wind 3 to 6 mph.
  • Monday Mostly sunny, with a high near 63. Light northwest wind becoming north northwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
  • Monday Night Mostly clear, with a low around 48. North northwest wind 7 to 14 mph, with gusts as high as 18 mph.
  • Tuesday Sunny, with a high near 63. North wind around 7 mph.
  • Tuesday Night Partly cloudy, with a low around 47.
  • Wednesday Mostly sunny, with a high near 62.
  • Wednesday Night A slight chance of rain. Mostly cloudy, with a low around 46.
  • Christmas Day Mostly sunny, with a high near 58.
  • Thursday Night Mostly clear, with a low around 40.
  • Friday Sunny, with a high near 57.
  • Friday Night Mostly clear, with a low around 41.
  • Saturday Sunny, with a high near 59.