National Weather Service United States Department of Commerce

Stormy weather expected for the Pacific Northwest and Intermountain West

An impressive frontal system will continue moving through the Pacific Northwest and the Intermountain West and slowly make its way south. Behind it very cold Arctic air will follow. Higher elevation snow and moderate rainfall can be expected throughout these regions along with strong winds.
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Hazardous Weather Conditions

Current Conditions

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Petaluma CA

7 Day Forecast

Overnight

Patchy Fog

Patchy
Fog

Low: 38 °F

Friday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 59 °F

Friday
Night

Rain Chance for Measurable Precipitation 90%

Rain

Low: 45 °F

Saturday

Rain Chance for Measurable Precipitation 90%

Rain

High: 58 °F

Saturday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 44 °F

Sunday

Rain Chance for Measurable Precipitation 80%

Rain

High: 58 °F

Sunday
Night

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 43 °F

Monday

Chance Rain

Chance
Rain

High: 60 °F

Monday
Night

Chance Rain

Chance
Rain

Low: 43 °F

Detailed Forecast

  • Overnight Patchy fog. Otherwise, mostly cloudy, with a low around 38. West northwest wind 3 to 5 mph.
  • Friday A 20 percent chance of rain after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 59. Calm wind becoming west around 6 mph in the afternoon.
  • Friday Night Rain. Low around 45. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 90%.
  • Saturday Rain. High near 58. East wind 7 to 10 mph. Chance of precipitation is 90%.
  • Saturday Night Rain. Low around 44. East wind 6 to 8 mph. Chance of precipitation is 80%.
  • Sunday Rain. High near 58. Chance of precipitation is 80%.
  • Sunday Night A 40 percent chance of rain. Cloudy, with a low around 43.
  • Monday A chance of rain. Cloudy, with a high near 60.
  • Monday Night A chance of rain. Mostly cloudy, with a low around 43.
  • Tuesday A chance of rain. Mostly cloudy, with a high near 59.
  • Tuesday Night A chance of rain. Mostly cloudy, with a low around 42.
  • Wednesday A chance of rain. Mostly cloudy, with a high near 60.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 43.
  • Thursday A chance of rain. Mostly cloudy, with a high near 63.