National Weather Service United States Department of Commerce

Significant threat for flash flooding continues across the southwestern U.S.

Heavy precipitation continues to be forecast for much of the Southwest U.S. this week due to the remnants of weakening Tropical Storm Odile. The heavy rainfall will be concentrated across southern Arizona, southern New Mexico and western Texas where 3 to 6 inches could fall through Friday, with some locales receiving up to 9 inches. Flash Flood Watches remain in effect for much of this area.
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Current Conditions

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8 Miles S Portola Valley CA

7 Day Forecast

Tonight

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 55 °F

Thursday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 78 °F

Thursday
Night

Cloudy

Cloudy

Low: 55 °F

Friday

Decreasing Clouds

Decreasing
Clouds

High: 79 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 53 °F

Saturday

Sunny

Sunny

High: 80 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 53 °F

Sunday

Sunny

Sunny

High: 81 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 53 °F

Detailed Forecast

  • Tonight A 40 percent chance of showers after 11pm. Increasing clouds, with a low around 55. South wind around 8 mph.
  • Thursday A 30 percent chance of showers, mainly before 11am. Cloudy, with a high near 78. South wind 6 to 10 mph.
  • Thursday Night Cloudy, with a low around 55. West southwest wind 5 to 10 mph becoming light northwest after midnight.
  • Friday Mostly cloudy, then gradually becoming sunny, with a high near 79. West northwest wind around 6 mph.
  • Friday Night Partly cloudy, with a low around 53. West northwest wind 5 to 8 mph becoming calm in the evening.
  • Saturday Sunny, with a high near 80.
  • Saturday Night Mostly clear, with a low around 53.
  • Sunday Sunny, with a high near 81.
  • Sunday Night Mostly clear, with a low around 53.
  • Monday Sunny, with a high near 82.
  • Monday Night Mostly clear, with a low around 52.
  • Tuesday Sunny, with a high near 82.
  • Tuesday Night Mostly clear, with a low around 53.
  • Wednesday Sunny, with a high near 85.