National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. on Saturday

Another Pacific system will impact the West Coast today. Heavy rainfall could lead to flash flooding, river and small stream flooding as well as mudslides and debris flows, especially over burn scars. Strong winds and heavy elevation 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 ESE Rancho Cucamonga CA

7 Day Forecast

For More Weather Information:

San Diego, CA Local Forecast Office

Tonight

Partly Cloudy

Partly
Cloudy

Low: 48 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 72 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 53 °F

Monday

Sunny

Sunny

High: 77 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 55 °F

Tuesday

Sunny

Sunny

High: 78 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 53 °F

Wednesday

Sunny

Sunny

High: 74 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 52 °F

Detailed Forecast

  • Tonight Partly cloudy, with a low around 48. Southwest wind around 5 mph becoming calm in the evening.
  • Sunday Mostly sunny, with a high near 72. Calm wind becoming southwest around 5 mph.
  • Sunday Night Mostly clear, with a low around 53. Calm wind.
  • Monday Sunny, with a high near 77. Northwest wind around 5 mph becoming calm.
  • Monday Night Mostly clear, with a low around 55. North wind 5 to 10 mph, with gusts as high as 20 mph.
  • Tuesday Sunny, with a high near 78.
  • Tuesday Night Mostly clear, with a low around 53.
  • Wednesday Sunny, with a high near 74.
  • Wednesday Night Partly cloudy, with a low around 52.
  • Christmas Day Mostly sunny, with a high near 66.
  • Thursday Night Mostly clear, with a low around 48.
  • Friday Sunny, with a high near 65.
  • Friday Night Mostly clear, with a low around 47.
  • Saturday Sunny, with a high near 68.