Extreme Heat Warnings Issued for Central California Counties

Temperatures forecast to reach 95 degrees this week in San Luis Obispo and Santa Barbara counties.

Mar. 18, 2026 at 12:48am

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The National Weather Service has issued extreme heat warnings for San Luis Obispo and Santa Barbara counties in central California through Friday, with temperatures expected to reach up to 95 degrees. Two heat advisories, one for the coastal areas and one for the inland regions, are in place until 10 p.m. on Friday, with temperatures ranging from 85 to 95 degrees forecast.

Why it matters

Extreme heat can pose serious health risks, especially for vulnerable populations like the young, elderly, and those without access to air conditioning. The warnings advise residents to take precautions, limit outdoor activities, and watch for signs of heat-related illness.

The details

The National Weather Service is urging the public to stay indoors when possible, wear lightweight and loose-fitting clothing, and avoid strenuous activities during the hottest parts of the day. There is a high risk of heat illness, and residents are advised to take action if they see symptoms of heat exhaustion or heat stroke.

  • The extreme heat warnings are in effect through Friday, March 22, 2026.
  • The heat advisories are in place until 10 p.m. on Friday, March 22, 2026.

The players

National Weather Service

The National Weather Service is a government agency that provides weather forecasts, warnings, and other meteorological information to the public.

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The takeaway

With temperatures expected to reach dangerous levels, residents of San Luis Obispo and Santa Barbara counties should take the necessary precautions to protect themselves and their loved ones from the extreme heat, including staying indoors, avoiding strenuous activities, and watching for signs of heat-related illness.