Smoke may be visible in the City of Sonoma from the Pickett fire in Napa County near Calistoga. Public safety agencies are responding. There is no threat to the City of Sonoma at this time. Visit the CAL FIRE website for more information about the Pickett Fire.

Excessive Heat through Sunday, Flex Alert Friday 4pm-9pm

Posted on July 9, 2021


Statewide Flex Alert Friday 4-9pm

Excessive Heat Warning and AdvisoryThe National Weather Service has issued an Excessive Heat Warning and Excessive Heat Advisory for parts of Sonoma County effective from 12:00 PM Friday, July 9th – 11:00 PM Sunday, July 11th.

  • Excessive Heat Advisory in effect for North Bay Interior Valleys
    • hot conditions with daytime temperatures of 95 to 107 expected
    • isolated locations may reach as high as 118
    • hottest temperatures expected in rural areas
  • Excessive Heat Warning in effect for North Bay Mountains
    • hot conditions with daytime temperatures of 102 to 110 expected
    • isolated locations may also reach as high as 118
    • hottest temperatures expected in the mountains of Sonoma County
  • Overnight temperatures will also remain very warm, mostly in the mid 70s, but to mid 80s in the higher elevations
As a result of the weather event, the California Independent System Operator’s (ISO) has issued a statewide Flex Alert Friday from 4 p.m. to 9 p.m. to avoid rotating power outages. CASIO is the organization that manages the state’s power grid. CASIO recommends energy users do the following:

Before a Flex Alert Begins:

  • Pre-cool your home
  • Use major appliances
  • Close window coverings

During a Flex Alert:

  • Set the thermostat to 78 degrees or more, if health permits
  • Avoid using major appliances
  • Turn off all unnecessary lights
  • Use fans for cooling
  • Unplug unused items

Visit FlexAlert.org for more energy conservation tips.

Stay informed about outages that affecting your service by viewing PG&E’s outage map. Visit CAISO’s web page for information about California’s electric grid and to view usage.
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