On Wednesday, July 3, 2024, the National Weather Service (NWS) issued a Heat Advisory, which will go in effect starting at Noon this Friday, July 5 to 10 p.m. on Monday, July 8, 2024.

NWS predicts “hot conditions with temperatures in the upper 80s and 90s expected,” which will post a moderate to major risk of heat-related illness.

“This level of heat will significantly increase the risk of heat-related illnesses for much of the population, especially those who are heat sensitive and those without effective cooling or adequate hydration,” NWS said.

Temps are predicted to get as high as 93 on Sunday before cooling down Tuesday to around 86.

Here’s the full advisory:

…HEAT ADVISORY IN EFFECT FROM NOON FRIDAY TO 10 PM PDT MONDAY…

  • WHAT…Hot conditions with temperatures in the upper 80s and 90s
    expected. This will pose a moderate to major risk of heat-related
    illness.
  • WHERE…Portions of northwest and west central Washington.
  • WHEN…From noon Friday to 10 PM PDT Monday.
  • IMPACTS…This level of heat will significantly increase the risk
    of heat-related illnesses for much of the population, especially
    those who are heat sensitive and those without effective cooling
    or adequate hydration.
  • ADDITIONAL DETAILS…Temperatures will remain well above normal
    next week with only gradual cooling expected.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit wa211.org anytime.

Detailed Forecast:

  • Wednesday: Sunny, with a high near 74. Light and variable wind becoming north northwest around 6 mph in the afternoon. 
  • Wednesday Night: Clear, with a low around 55. North northeast wind 5 to 7 mph. 
  • Independence Day: Sunny, with a high near 79. North wind 5 to 10 mph. 
  • Thursday Night: Clear, with a low around 58. North northeast wind 6 to 13 mph. 
  • Friday: Sunny, with a high near 85. North wind 6 to 10 mph. 
  • Friday Night: Clear, with a low around 61.
  • Saturday: Sunny, with a high near 87.
  • Saturday Night: Mostly clear, with a low around 63.
  • Sunday: Sunny, with a high near 93.
  • Sunday Night: Clear, with a low around 65.
  • Monday: Sunny, with a high near 90.
  • Monday Night: Clear, with a low around 62.
  • Tuesday: Sunny, with a high near 86.

Video Forecast

Below is a video forecast from local SeattleWXGuy Michael Snyder, with more details on the heatwave:

YouTube player