HEAT WARNING • 3-16-2026 to 3-20-2026

Posted on 03/15/2026

WARNING from your Sylmar Neighborhood Council, The City of Los Angeles, The County of Los Angeles, and the National Weather Service.

Monday, March 16, 2026, through Friday, March 20, 2026

A significant heatwave will affect the region through this week, peaking on Tuesday (3/17)and Wednesday (3/18), and then continuing through Friday. MODERATE to HIGH heat impacts will occur each day this week."

For the week of March 16, check back here for the times and locations of augmented cooling centers, once opened.

When it's HOT, find more than 100 LA City cooling locations (Recreation & Parks facilities & pools, plus City Public Library branches) that are available for rest and hydration during all regular hours of operation, along with other nearby options using the interactive Cool Spots LA link.

Los Angeles City Heat-Information - https://emergency.lacity.gov/heat

Los Angeles County Heat - Information - https://ready.lacounty.gov/heat/

Excessive Heat | En Español

Los Angeles County is known for its year-round great weather, but when temperatures increase during the summer months, the heat can be unpleasant, and at times dangerous. Use the resources below to prepare for and stay safe during periods of excessive heat.

Find Relief from the Heat

Escape the heat by using the map below to find the Cooling Center closest to you or view Cooling Center sites and details as a list.

LA County Pools and Splash Pads

- Swimming pools and splash pads are great ways to get relief from the heat:
  - Find the LA County Pool nearest you
  - Find the LA County Splash Pad nearest you

Additional City Resources

- For resources available in the City of Los Angeles call 3-1-1, call the Library Information Office at
- (213) 228-7555, or visit the Los Angeles “Beat the Heat” webpage.
- For resources in other cities throughout Los Angeles County, please call or find your local city website from this list.

Weather Monitoring Resources

Staying Safe: Before Excessive Heat

- Find places in your community where you can go to get cool. View the interactive map above to find the Cooling Center nearest to you.
- Keep your home cool by covering windows with drapes/shades, adding insulation to keep the heat out, using attic fans, and installing window air conditioners and insulating around them.
- Power outages may occur when there is extreme heat. Review safety tips for power outages.

SYLMAR • NATIONAL WEATHER SERVICE •

https://forecast.weather.gov/MapClick.php?lat=34.3067765&lon=-118.4310623