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Extreme Heat Warning

Post Date:03/17/2026 8:33 AM

An Extreme Heat Warning is in effect from March 17, at 10 a.m., through March 20, at 8 a.m. During the heat, please take the following precautions: 

  • Drink plenty of water and keep hydrated throughout the day.
  • If you must go out, plan your day to avoid going out during the hottest hours and wear sunscreen.
  • Cars get very hot. Never leave children or pets in cars and call 911 if you see a child or pet in a car alone.
  • Beware of heat-related illness, like heat stroke, and call 911 if you see these symptoms: high body temperature, vomiting, and pale and clammy skin.
  • Check on those at risk, like those who are sick, older adults, pregnant women, and children.

Monrovia Canyon Park & Hillside Wilderness Preserve Remain Open

Monrovia Canyon Park and the Hillside Wilderness Preserve will remain open throughout this time. Visitors planning outdoor activities are encouraged to:

  • Plan for early hikes/walks
  • Take regular breaks while on trail in shaded areas
  • Dress appropriately for the weather (light summer attire is preferred)
  • Bring a small backpack with extra water, at least two water bottles
  • Wear hats to help block the sun

Stay Cool at the Monrovia Community Center & Public Library

Those looking for a place to stay cool are encouraged to visit the Community Center or the Public Library to avoid the heat.

Monrovia Community Center
119 W. Palm Avenue
Monrovia, CA 91016

Tuesday, March 17 – Thursday, March 19 – 8 a.m. to 9 p.m.
Friday, March 20 – 8 a.m. to 5 p.m.
Saturday, March 21 – 8 a.m. to 7:30 p.m.
Sunday, March 22 – 11 a.m. to 1 p.m.

Monrovia Public Library
321 S. Myrtle Avenue
Monrovia, CA 91016

Tuesday, March 17 – Wednesday, March 18 – 10 a.m. to 8 p.m.
Thursday, March 19 – Saturday, March 20 – 12 p.m. to 5 p.m.
Sunday – CLOSED

Fan Loan Program

The Monrovia Community Center has a limited number of fans available for residents to borrow. Those interested in borrowing a fan or can find additional information by calling (626) 256-8246.

Additional Resources

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